memory.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 5 5
Title ""
Date "2019-12-28"
Rev "1.1"
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
	3850 2850 3950 2950
Entry Wire Line
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Entry Wire Line
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Entry Wire Line
	3850 3150 3950 3250
Text Label 3550 2450 0    39   ~ 0
RAM_DQ0
Text Label 3550 2550 0    39   ~ 0
RAM_DQ1
Text Label 3550 2650 0    39   ~ 0
RAM_DQ2
Text Label 3550 2750 0    39   ~ 0
RAM_DQ3
Text Label 3550 2850 0    39   ~ 0
RAM_DQ4
Text Label 3550 2950 0    39   ~ 0
RAM_DQ5
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RAM_DQ6
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RAM_DQ7
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RAM_DQ[0..15]
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RAM_DQ[0..15]
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RAM_A16
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RAM_A15
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RAM_A14
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RAM_A13
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RAM_A12
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RAM_A11
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RAM_A10
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RAM_A9
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RAM_A8
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RAM_A7
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RAM_A6
Text Label 2100 2950 0    39   ~ 0
RAM_A5
Text Label 2100 2850 0    39   ~ 0
RAM_A4
Text Label 2100 2750 0    39   ~ 0
RAM_A3
Text Label 2100 2650 0    39   ~ 0
RAM_A2
Text Label 2100 2550 0    39   ~ 0
RAM_A1
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RAM_A0
Text Label 1250 4750 0    39   ~ 0
RAM_CE
Text Label 2150 4550 0    39   ~ 0
RAM_OE
Text Label 2150 4450 0    39   ~ 0
RAM_WE
Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Text Label 1700 2250 0    39   ~ 0
RAM_A[0..16]
Text HLabel 1650 2250 0    39   Input ~ 0
RAM_A[0..16]
Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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$Comp
L cypress1:S25FL256S U6
U 1 1 5B001A5D
P 7650 3800
F 0 "U6" H 7200 4150 39  0000 L CNN
F 1 "S25FL256S" H 7200 3400 39  0000 L CNN
F 2 "Package_SO:SOIC-16W_7.5x10.3mm_P1.27mm" H 7650 3700 39  0001 C CNN
F 3 "" H 7650 3700 39  0001 C CNN
	1    7650 3800
	1    0    0    -1  
$EndComp
$Comp
L cypress1:S25FL256S U5
U 1 1 5B001BB6
P 7650 2350
F 0 "U5" H 7200 2700 39  0000 L CNN
F 1 "S25FL256S" H 7200 1950 39  0000 L CNN
F 2 "Package_SO:SOIC-16W_7.5x10.3mm_P1.27mm" H 7650 2250 39  0001 C CNN
F 3 "" H 7650 2250 39  0001 C CNN
	1    7650 2350
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR012
U 1 1 5B0040CA
P 700 750
AR Path="/5AFFD216/5B0040CA" Ref="#PWR012"  Part="1" 
AR Path="/5AFFCFA7/5B0040CA" Ref="#PWR012"  Part="1" 
F 0 "#PWR012" H 700 600 50  0001 C CNN
F 1 "+3V3" H 700 890 50  0000 C CNN
F 2 "" H 700 750 50  0001 C CNN
F 3 "" H 700 750 50  0001 C CNN
	1    700  750 
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R21
U 1 1 5B004245
P 6800 2050
F 0 "R21" H 6830 2070 50  0000 L CNN
F 1 "10k" H 6830 2010 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 6800 2050 50  0001 C CNN
F 3 "" H 6800 2050 50  0001 C CNN
	1    6800 2050
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R19
U 1 1 5B004332
P 6550 2050
F 0 "R19" H 6580 2070 50  0000 L CNN
F 1 "10k" H 6580 2010 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 6550 2050 50  0001 C CNN
F 3 "" H 6550 2050 50  0001 C CNN
	1    6550 2050
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R22
U 1 1 5B00435A
P 6800 2600
F 0 "R22" H 6830 2620 50  0000 L CNN
F 1 "10k" H 6830 2560 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 6800 2600 50  0001 C CNN
F 3 "" H 6800 2600 50  0001 C CNN
	1    6800 2600
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R26
U 1 1 5B004696
P 8300 2000
F 0 "R26" H 8330 2020 50  0000 L CNN
F 1 "10k" H 8330 1960 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8300 2000 50  0001 C CNN
F 3 "" H 8300 2000 50  0001 C CNN
	1    8300 2000
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R29
U 1 1 5B0046E2
P 8500 2000
F 0 "R29" H 8530 2020 50  0000 L CNN
F 1 "10k" H 8530 1960 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8500 2000 50  0001 C CNN
F 3 "" H 8500 2000 50  0001 C CNN
	1    8500 2000
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R23
U 1 1 5B00493C
P 6800 3450
F 0 "R23" H 6830 3470 50  0000 L CNN
F 1 "10k" H 6830 3410 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 6800 3450 50  0001 C CNN
F 3 "" H 6800 3450 50  0001 C CNN
	1    6800 3450
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR013
U 1 1 5B004C51
P 700 950
AR Path="/5AFFD216/5B004C51" Ref="#PWR013"  Part="1" 
AR Path="/5AFFCFA7/5B004C51" Ref="#PWR013"  Part="1" 
F 0 "#PWR013" H 700 700 50  0001 C CNN
F 1 "GND" H 700 800 50  0000 C CNN
F 2 "" H 700 950 50  0001 C CNN
F 3 "" H 700 950 50  0001 C CNN
	1    700  950 
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C25
U 1 1 5B004F6A
P 7800 4750
F 0 "C25" H 7810 4820 50  0000 L CNN
F 1 "100n" H 7810 4670 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 7800 4750 50  0001 C CNN
F 3 "" H 7800 4750 50  0001 C CNN
	1    7800 4750
	0    1    1    0   
$EndComp
$Comp
L Device:C_Small C27
U 1 1 5B00511F
P 7850 3300
F 0 "C27" H 7860 3370 50  0000 L CNN
F 1 "100n" H 7860 3220 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 7850 3300 50  0001 C CNN
F 3 "" H 7850 3300 50  0001 C CNN
	1    7850 3300
	0    -1   -1   0   
$EndComp
Text Label 950  800  2    39   ~ 0
+3V3
Text Label 950  900  2    39   ~ 0
GND
Text Label 6900 1700 0    39   ~ 0
+3V3
Text Label 6900 3200 0    39   ~ 0
+3V3
Text Label 7800 2900 2    39   ~ 0
GND
Text Label 7800 4350 2    39   ~ 0
GND
Text Label 8100 4750 2    39   ~ 0
GND
Text Label 7500 4650 0    39   ~ 0
+3V3
Text Label 8150 3300 2    39   ~ 0
GND
$Comp
L Device:C_Small C26
U 1 1 5B006CDC
P 7850 1850
F 0 "C26" H 7860 1920 50  0000 L CNN
F 1 "100n" H 7860 1770 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 7850 1850 50  0001 C CNN
F 3 "" H 7850 1850 50  0001 C CNN
	1    7850 1850
	0    -1   -1   0   
$EndComp
Text Label 8150 1850 2    39   ~ 0
GND
Text Label 7150 2900 2    39   ~ 0
GND
Text Label 8700 1800 2    39   ~ 0
+3V3
$Comp
L Device:R_Small R28
U 1 1 5B00777D
P 8350 4900
F 0 "R28" H 8380 4920 50  0000 L CNN
F 1 "10k" H 8380 4860 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8350 4900 50  0001 C CNN
F 3 "" H 8350 4900 50  0001 C CNN
	1    8350 4900
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R31
U 1 1 5B00781F
P 8550 4900
F 0 "R31" H 8580 4920 50  0000 L CNN
F 1 "10k" H 8580 4860 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8550 4900 50  0001 C CNN
F 3 "" H 8550 4900 50  0001 C CNN
	1    8550 4900
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R24
U 1 1 5B0078DE
P 6950 4950
F 0 "R24" H 6980 4970 50  0000 L CNN
F 1 "10k" H 6980 4910 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 6950 4950 50  0001 C CNN
F 3 "" H 6950 4950 50  0001 C CNN
	1    6950 4950
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R20
U 1 1 5B008ADA
P 6700 4950
F 0 "R20" H 6730 4970 50  0000 L CNN
F 1 "10k" H 6730 4910 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 6700 4950 50  0001 C CNN
F 3 "" H 6700 4950 50  0001 C CNN
	1    6700 4950
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R25
U 1 1 5B008B27
P 6950 5450
F 0 "R25" H 6980 5470 50  0000 L CNN
F 1 "10k" H 6980 5410 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 6950 5450 50  0001 C CNN
F 3 "" H 6950 5450 50  0001 C CNN
	1    6950 5450
	1    0    0    -1  
$EndComp
Text Label 7100 5650 2    39   ~ 0
GND
Text Label 5900 5150 0    39   ~ 0
BOOT_SCK
Text Label 5900 5250 0    39   ~ 0
BOOT_CS
Text Label 6500 3800 0    39   ~ 0
ROM_CS1
Text Label 6350 2350 0    39   ~ 0
ROM_CS0
Text Label 6700 2900 1    39   ~ 0
ROM_SCK
Text Label 8800 2150 2    39   ~ 0
ROM_IO0
Text Label 8800 2250 2    39   ~ 0
ROM_IO1
Text Label 8800 2350 2    39   ~ 0
ROM_IO2
Text Label 8800 2450 2    39   ~ 0
ROM_IO3
Text Label 8800 3600 2    39   ~ 0
ROM_IO0
Text Label 8800 3700 2    39   ~ 0
ROM_IO1
Text Label 8800 3800 2    39   ~ 0
ROM_IO2
Text Label 8800 3900 2    39   ~ 0
ROM_IO3
Text Label 8900 5150 2    39   ~ 0
BOOT_IO0
Text Label 8900 5250 2    39   ~ 0
BOOT_IO1
Text Label 8900 5350 2    39   ~ 0
BOOT_IO2
Text Label 8900 5450 2    39   ~ 0
BOOT_IO3
$Comp
L Device:C_Small C22
U 1 1 5B00B866
P 3700 4450
F 0 "C22" H 3710 4520 50  0000 L CNN
F 1 "100n" H 3710 4370 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 3700 4450 50  0001 C CNN
F 3 "" H 3700 4450 50  0001 C CNN
	1    3700 4450
	1    0    0    -1  
$EndComp
Text Label 4200 4750 2    39   ~ 0
GND
$Comp
L Device:R_Small R17
U 1 1 5B00BF8E
P 1300 4900
F 0 "R17" H 1330 4920 50  0000 L CNN
F 1 "2k2" H 1330 4860 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 1300 4900 50  0001 C CNN
F 3 "" H 1300 4900 50  0001 C CNN
	1    1300 4900
	1    0    0    -1  
$EndComp
$Comp
L Device:Battery_Cell BT1
U 1 1 5B00C5AD
P 2450 1350
F 0 "BT1" H 2550 1450 50  0000 L CNN
F 1 "Battery_Cell" H 2550 1350 50  0000 L CNN
F 2 "Brutzelkarte:BU2032SM" V 2450 1410 50  0001 C CNN
F 3 "" V 2450 1410 50  0001 C CNN
	1    2450 1350
	1    0    0    -1  
$EndComp
Text Label 2250 1500 0    39   ~ 0
GND
Text Label 2250 1100 0    39   ~ 0
VBAT
Text Label 3700 1400 2    39   ~ 0
RAM_VDD
Text Label 3550 1100 2    39   ~ 0
+3V3
Text Label 4200 4150 2    39   ~ 0
RAM_VDD
Entry Wire Line
	8800 2150 8900 2250
Entry Wire Line
	8800 2250 8900 2350
Entry Wire Line
	8800 2350 8900 2450
Entry Wire Line
	8800 2450 8900 2550
Entry Wire Line
	8800 3600 8900 3700
Entry Wire Line
	8800 3700 8900 3800
Entry Wire Line
	8800 3800 8900 3900
Entry Wire Line
	8800 3900 8900 4000
Text Label 8900 2000 0    39   ~ 0
ROM_IO[D0..3]
Entry Wire Line
	8900 5150 9000 5250
Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Text Label 9000 5150 0    39   ~ 0
BOOT_IO[0..3]
Text HLabel 9400 2000 2    39   Input ~ 0
ROM_IO[0..3]
Text HLabel 9450 5150 2    39   Input ~ 0
BOOT_IO[0..3]
Text HLabel 5850 5250 0    39   Input ~ 0
BOOT_CS
Text HLabel 5850 5150 0    39   Input ~ 0
BOOT_SCK
Text HLabel 5750 2250 0    39   Input ~ 0
ROM_CS[0..1]
Entry Wire Line
	6150 2250 6250 2350
Entry Wire Line
	6250 2250 6350 2350
Text HLabel 6600 3000 0    39   Input ~ 0
ROM_SCK
Text HLabel 1200 4750 0    39   Input ~ 0
RAM_CE
Text HLabel 2100 4550 0    39   Input ~ 0
RAM_OE
Text HLabel 2100 4450 0    39   Input ~ 0
RAM_WE
Text Label 5800 2250 0    39   ~ 0
ROM_CS[0..1]
$Comp
L Timer:MCP7940N-xSN U4
U 1 1 5B01ACA0
P 2750 6550
AR Path="/5AFFD216/5B01ACA0" Ref="U4"  Part="1" 
AR Path="/5AFFCFA7/5B01ACA0" Ref="U4"  Part="1" 
AR Path="/5B01ACA0" Ref="U4"  Part="1" 
F 0 "U4" H 2500 6900 50  0000 C CNN
F 1 "MCP7940N" H 3000 6200 50  0000 C CNN
F 2 "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" H 2750 6550 50  0001 C CNN
F 3 "" H 2750 6550 50  0001 C CNN
	1    2750 6550
	1    0    0    -1  
$EndComp
Text Label 3050 6000 2    39   ~ 0
+3V3
Text Label 3750 6100 2    39   ~ 0
VBAT
$Comp
L Device:Crystal_Small Y1
U 1 1 5B01B394
P 3550 6650
F 0 "Y1" H 3550 6750 50  0000 C CNN
F 1 "32768" H 3550 6550 50  0000 C CNN
F 2 "Crystal:Crystal_SMD_3215-2Pin_3.2x1.5mm" H 3550 6650 50  0001 C CNN
F 3 "" H 3550 6650 50  0001 C CNN
	1    3550 6650
	-1   0    0    1   
$EndComp
$Comp
L Device:C_Small C23
U 1 1 5B01B853
P 3350 6850
F 0 "C23" H 3360 6920 50  0000 L CNN
F 1 "6-9 pF" H 3360 6770 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 3350 6850 50  0001 C CNN
F 3 "" H 3350 6850 50  0001 C CNN
	1    3350 6850
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C24
U 1 1 5B01B997
P 3750 6850
F 0 "C24" H 3760 6920 50  0000 L CNN
F 1 "6-9 pF" H 3760 6770 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 3750 6850 50  0001 C CNN
F 3 "" H 3750 6850 50  0001 C CNN
	1    3750 6850
	1    0    0    -1  
$EndComp
Text Label 2550 7050 0    39   ~ 0
GND
$Comp
L Device:R_Small R18
U 1 1 5B01C2E3
P 2150 6150
F 0 "R18" H 2180 6170 50  0000 L CNN
F 1 "4k7" H 2180 6110 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 2150 6150 50  0001 C CNN
F 3 "" H 2150 6150 50  0001 C CNN
	1    2150 6150
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R16
U 1 1 5B01C583
P 1950 6150
F 0 "R16" H 1980 6170 50  0000 L CNN
F 1 "4k7" H 1980 6110 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 1950 6150 50  0001 C CNN
F 3 "" H 1950 6150 50  0001 C CNN
	1    1950 6150
	1    0    0    -1  
$EndComp
Text Label 1700 6350 0    39   ~ 0
RTC_SCL
Text Label 1700 6450 0    39   ~ 0
RTC_SDA
Text HLabel 1650 6350 0    39   Output ~ 0
RTC_SCL
Text HLabel 1650 6450 0    39   Output ~ 0
RTC_SDA
NoConn ~ 2350 6650
$Comp
L winbond:W25Q_SOIC8 U7
U 1 1 5B014B7B
P 7650 5300
F 0 "U7" H 7150 5600 60  0000 L CNN
F 1 "W25Q_SOIC8" H 7700 5600 60  0000 L CNN
F 2 "Package_SO:SOIC-8_5.275x5.275mm_P1.27mm" H 7550 5300 60  0001 C CNN
F 3 "" H 7550 5300 60  0001 C CNN
	1    7650 5300
	1    0    0    -1  
$EndComp
Text Label 7800 5750 2    39   ~ 0
GND
Text Label 8750 4750 2    39   ~ 0
+3V3
$Comp
L Device:D_Schottky_x2_KCom_AAK D9
U 1 1 5B01C93B
P 3050 1100
F 0 "D9" H 3100 1000 50  0000 C CNN
F 1 "BAT54C" H 3050 1200 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 3050 1100 50  0001 C CNN
F 3 "" H 3050 1100 50  0001 C CNN
	1    3050 1100
	1    0    0    -1  
$EndComp
$Comp
L issi:IS62WV12816EBLL U3
U 1 1 5B03535F
P 2950 3600
F 0 "U3" H 2600 4900 60  0000 L CNN
F 1 "IS62WV12816EBLL" H 2600 2300 60  0000 L CNN
F 2 "Package_SO:TSOP-II-44_10.16x18.41mm_P0.8mm" H 2950 4750 60  0001 C CNN
F 3 "" H 2950 4750 60  0001 C CNN
	1    2950 3600
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C28
U 1 1 5B035EA7
P 3900 4450
F 0 "C28" H 3910 4520 50  0000 L CNN
F 1 "100n" H 3910 4370 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 3900 4450 50  0001 C CNN
F 3 "" H 3900 4450 50  0001 C CNN
	1    3900 4450
	1    0    0    -1  
$EndComp
Text Label 2200 4850 0    39   ~ 0
GND
$Comp
L Device:R_Small R32
U 1 1 5B0374E8
P 1700 4050
F 0 "R32" H 1730 4070 50  0000 L CNN
F 1 "10k" H 1730 4010 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 1700 4050 50  0001 C CNN
F 3 "" H 1700 4050 50  0001 C CNN
	1    1700 4050
	1    0    0    -1  
$EndComp
Text Label 1500 3850 0    39   ~ 0
RAM_VDD
Text Label 2150 4250 0    39   ~ 0
RAM_CS
$Comp
L Device:Q_NMOS_GSD Q1
U 1 1 5B037F7F
P 1600 4750
F 0 "Q1" H 1800 4800 50  0000 L CNN
F 1 "BSS138K" H 1800 4700 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 1800 4850 50  0001 C CNN
F 3 "https://www.fairchildsemi.com/datasheets/BS/BSS138K.pdf" H 1600 4750 50  0001 C CNN
F 4 "DK:BSS138KDKR-ND" H 1600 4750 60  0001 C CNN "Bestellnummer"
	1    1600 4750
	1    0    0    -1  
$EndComp
Text Label 1850 5050 2    39   ~ 0
GND
Wire Wire Line
	8300 5150 8900 5150
Wire Wire Line
	8300 5450 8550 5450
Wire Wire Line
	8300 5350 8350 5350
Wire Wire Line
	8300 5250 8900 5250
Wire Wire Line
	6950 5650 7100 5650
Wire Wire Line
	6950 5550 6950 5650
Connection ~ 6950 5150
Wire Wire Line
	6950 5050 6950 5150
Connection ~ 6700 5250
Wire Wire Line
	6700 5050 6700 5250
Connection ~ 6950 4750
Wire Wire Line
	6700 4750 6700 4850
Wire Wire Line
	5850 5250 6700 5250
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Connection ~ 8500 1800
Wire Wire Line
	8500 1900 8500 1800
Wire Wire Line
	8300 1800 8500 1800
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
	3500 2750 3850 2750
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Bus Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
	2050 3350 2400 3350
Wire Wire Line
	2050 3250 2400 3250
Wire Wire Line
	2050 3150 2400 3150
Wire Wire Line
	2050 3050 2400 3050
Wire Wire Line
	2050 2950 2400 2950
Wire Wire Line
	2050 2850 2400 2850
Wire Wire Line
	2050 2750 2400 2750
Wire Wire Line
	2050 2650 2400 2650
Wire Wire Line
	2050 2550 2400 2550
Wire Wire Line
	2050 2450 2400 2450
Wire Wire Line
	1200 4750 1300 4750
Wire Wire Line
	2100 4550 2400 4550
Wire Wire Line
	2100 4450 2400 4450
Wire Bus Line
	1950 2250 1650 2250
Wire Wire Line
	7000 3200 7000 3300
Wire Wire Line
	6800 3300 7000 3300
Wire Wire Line
	7700 3300 7700 3350
Wire Wire Line
	7000 3300 7000 3600
Wire Wire Line
	7000 3600 7050 3600
Wire Wire Line
	6550 1850 6800 1850
Wire Wire Line
	7700 1850 7700 1900
Wire Wire Line
	7000 1850 7000 2150
Wire Wire Line
	7000 2150 7050 2150
Wire Wire Line
	6550 2150 6550 2350
Wire Wire Line
	6350 2350 6550 2350
Wire Wire Line
	6800 2150 6800 2250
Wire Wire Line
	6800 1950 6800 1850
Wire Wire Line
	6550 1950 6550 1850
Connection ~ 6800 1850
Wire Wire Line
	6700 2250 6800 2250
Connection ~ 6800 2250
Connection ~ 6550 2350
Wire Wire Line
	8250 2150 8800 2150
Wire Wire Line
	8250 2250 8800 2250
Wire Wire Line
	8250 2350 8300 2350
Wire Wire Line
	8250 2450 8500 2450
Wire Wire Line
	8300 2100 8300 2350
Connection ~ 8300 2350
Wire Wire Line
	8500 2100 8500 2450
Connection ~ 8500 2450
Wire Wire Line
	6700 2250 6700 3000
Wire Wire Line
	6700 3700 7050 3700
Wire Wire Line
	6800 3300 6800 3350
Connection ~ 7000 3300
Wire Wire Line
	6800 3550 6800 3800
Wire Wire Line
	6250 3800 6800 3800
Connection ~ 6800 3800
Wire Wire Line
	8800 3600 8250 3600
Wire Wire Line
	8250 3700 8800 3700
Wire Wire Line
	8250 3800 8800 3800
Wire Wire Line
	8250 3900 8800 3900
Wire Wire Line
	7650 2850 7650 2900
Wire Wire Line
	7650 4300 7650 4350
Wire Wire Line
	700  750  700  800 
Wire Wire Line
	700  800  950  800 
Wire Wire Line
	700  950  700  900 
Wire Wire Line
	700  900  950  900 
Wire Wire Line
	7000 1700 6900 1700
Wire Wire Line
	7000 3200 6900 3200
Wire Wire Line
	7650 2900 7800 2900
Wire Wire Line
	7650 4350 7800 4350
Wire Wire Line
	3500 4150 3550 4150
Wire Wire Line
	3500 4750 3550 4750
Wire Wire Line
	3700 4550 3700 4750
Connection ~ 3700 4750
Wire Wire Line
	3700 4350 3700 4150
Connection ~ 3700 4150
Wire Wire Line
	2250 1500 2450 1500
Wire Wire Line
	2450 1500 2450 1450
Wire Wire Line
	2450 1150 2450 1100
Wire Wire Line
	2250 1100 2450 1100
Wire Wire Line
	3350 1100 3550 1100
Wire Bus Line
	8900 2000 9400 2000
Wire Bus Line
	9000 5150 9450 5150
Wire Wire Line
	6250 2350 6250 3800
Wire Wire Line
	2850 6150 2850 6100
Wire Wire Line
	2750 6000 2750 6150
Wire Wire Line
	1950 6000 2150 6000
Wire Wire Line
	3150 6450 3750 6450
Wire Wire Line
	3150 6650 3350 6650
Wire Wire Line
	3750 6450 3750 6650
Wire Wire Line
	3750 6650 3650 6650
Connection ~ 3750 6650
Wire Wire Line
	3350 6650 3350 6750
Connection ~ 3350 6650
Wire Wire Line
	2550 7050 2750 7050
Wire Wire Line
	3750 7050 3750 6950
Wire Wire Line
	3350 6950 3350 7050
Connection ~ 3350 7050
Wire Wire Line
	2750 6950 2750 7050
Connection ~ 2750 7050
Wire Wire Line
	1650 6350 2150 6350
Wire Wire Line
	1650 6450 1950 6450
Wire Wire Line
	1950 6250 1950 6450
Connection ~ 1950 6450
Wire Wire Line
	2150 6250 2150 6350
Connection ~ 2150 6350
Wire Wire Line
	1950 6000 1950 6050
Connection ~ 2750 6000
Wire Wire Line
	2150 6050 2150 6000
Connection ~ 2150 6000
Wire Wire Line
	7650 5700 7650 5750
Wire Wire Line
	7650 5750 7800 5750
Connection ~ 8550 5450
Wire Wire Line
	8550 5000 8550 5450
Wire Wire Line
	8350 5000 8350 5350
Connection ~ 8350 5350
Wire Wire Line
	7650 4650 7650 4750
Wire Wire Line
	7900 4750 8100 4750
Connection ~ 7650 4750
Wire Wire Line
	7650 4650 7500 4650
Wire Wire Line
	8550 4750 8550 4800
Wire Wire Line
	8350 4800 8350 4750
Wire Wire Line
	8350 4750 8550 4750
Connection ~ 8550 4750
Wire Wire Line
	6600 3000 6700 3000
Connection ~ 6700 3000
Wire Wire Line
	3050 1300 3050 1400
Wire Wire Line
	3050 1400 3400 1400
Connection ~ 2450 1100
Wire Wire Line
	3500 4250 3550 4250
Wire Wire Line
	3550 4250 3550 4150
Connection ~ 3550 4150
Wire Wire Line
	3500 4650 3550 4650
Wire Wire Line
	3550 4650 3550 4750
Connection ~ 3550 4750
Wire Wire Line
	3900 4350 3900 4150
Connection ~ 3900 4150
Wire Wire Line
	3900 4550 3900 4750
Connection ~ 3900 4750
Wire Wire Line
	2400 4650 2350 4650
Wire Wire Line
	2350 4650 2350 4750
Wire Wire Line
	2350 4850 2200 4850
Wire Wire Line
	2400 4750 2350 4750
Connection ~ 2350 4750
Wire Wire Line
	1700 4250 2400 4250
Wire Wire Line
	1700 4150 1700 4250
Connection ~ 1700 4250
Wire Wire Line
	1700 3850 1700 3950
Wire Wire Line
	1500 3850 1700 3850
Wire Wire Line
	1300 4750 1300 4800
Connection ~ 1300 4750
Wire Wire Line
	1700 4950 1700 5050
Wire Wire Line
	1300 5050 1700 5050
Wire Wire Line
	1300 5000 1300 5050
Connection ~ 1700 5050
Wire Wire Line
	3500 3250 3850 3250
Wire Wire Line
	3850 3350 3500 3350
Wire Wire Line
	3500 3450 3850 3450
Wire Wire Line
	3850 3550 3500 3550
Wire Wire Line
	3500 3650 3850 3650
Wire Wire Line
	3850 3750 3500 3750
Wire Wire Line
	3500 3850 3850 3850
Wire Wire Line
	3850 3950 3500 3950
Entry Wire Line
	3850 3250 3950 3350
Entry Wire Line
	3850 3350 3950 3450
Entry Wire Line
	3850 3450 3950 3550
Entry Wire Line
	3850 3550 3950 3650
Entry Wire Line
	3850 3650 3950 3750
Entry Wire Line
	3850 3750 3950 3850
Entry Wire Line
	3850 3850 3950 3950
Entry Wire Line
	3850 3950 3950 4050
Text Label 3550 3250 0    39   ~ 0
RAM_DQ8
Text Label 3550 3350 0    39   ~ 0
RAM_DQ9
Text Label 3550 3450 0    39   ~ 0
RAM_DQ10
Text Label 3550 3550 0    39   ~ 0
RAM_DQ11
Text Label 3550 3650 0    39   ~ 0
RAM_DQ12
Text Label 3550 3750 0    39   ~ 0
RAM_DQ13
Text Label 3550 3850 0    39   ~ 0
RAM_DQ14
Text Label 3550 3950 0    39   ~ 0
RAM_DQ15
Text Notes 1050 5250 0    39   ~ 0
RAM_CE is active high\nRAM_CS is active low
$Comp
L power:PWR_FLAG #FLG014
U 1 1 5B03F608
P 3400 1350
F 0 "#FLG014" H 3400 1425 50  0001 C CNN
F 1 "PWR_FLAG" H 3400 1500 50  0000 C CNN
F 2 "" H 3400 1350 50  0001 C CNN
F 3 "" H 3400 1350 50  0001 C CNN
	1    3400 1350
	1    0    0    -1  
$EndComp
Wire Wire Line
	3400 1350 3400 1400
Connection ~ 3400 1400
Wire Wire Line
	6950 5150 6950 5300
Wire Wire Line
	6950 5150 7000 5150
Wire Wire Line
	6700 5250 7000 5250
Wire Wire Line
	6950 4750 7650 4750
Wire Wire Line
	8500 1800 8700 1800
Wire Wire Line
	7700 1850 7750 1850
Wire Wire Line
	7700 3300 7750 3300
Wire Wire Line
	6800 1850 7000 1850
Wire Wire Line
	6800 2250 6800 2500
Wire Wire Line
	6800 2250 7000 2250
Wire Wire Line
	6550 2350 7050 2350
Wire Wire Line
	8300 2350 8800 2350
Wire Wire Line
	8500 2450 8800 2450
Wire Wire Line
	6800 3800 7050 3800
Wire Wire Line
	3700 4750 3900 4750
Wire Wire Line
	3700 4150 3900 4150
Wire Wire Line
	3750 6650 3750 6750
Wire Wire Line
	3350 6650 3450 6650
Wire Wire Line
	3350 7050 3750 7050
Wire Wire Line
	2750 7050 3350 7050
Wire Wire Line
	1950 6450 2350 6450
Wire Wire Line
	2150 6350 2350 6350
Wire Wire Line
	2750 6000 3050 6000
Wire Wire Line
	2150 6000 2750 6000
Wire Wire Line
	8550 5450 8900 5450
Wire Wire Line
	8350 5350 8900 5350
Wire Wire Line
	7650 4750 7650 4900
Wire Wire Line
	7650 4750 7700 4750
Wire Wire Line
	8550 4750 8750 4750
Wire Wire Line
	6700 3000 6700 3700
Wire Wire Line
	2450 1100 2750 1100
Wire Wire Line
	3550 4150 3700 4150
Wire Wire Line
	3550 4750 3700 4750
Wire Wire Line
	3900 4150 4200 4150
Wire Wire Line
	3900 4750 4200 4750
Wire Wire Line
	2350 4750 2350 4850
Wire Wire Line
	1700 4250 1700 4550
Wire Wire Line
	1300 4750 1400 4750
Wire Wire Line
	1700 5050 1850 5050
Wire Wire Line
	3400 1400 3700 1400
$Comp
L Device:C_Small C33
U 1 1 5C02B5B1
P 2000 6850
F 0 "C33" H 2010 6920 50  0000 L CNN
F 1 "100n" H 2010 6770 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 2000 6850 50  0001 C CNN
F 3 "" H 2000 6850 50  0001 C CNN
	1    2000 6850
	1    0    0    -1  
$EndComp
Text Label 2000 6650 2    39   ~ 0
+3V3
Text Label 2000 7100 0    39   ~ 0
GND
Wire Wire Line
	2000 6650 2000 6750
Wire Wire Line
	2000 6950 2000 7100
Text Notes 2850 2000 0    50   ~ 0
Ram:
Text Notes 7450 1450 0    50   ~ 0
SPI FLASH 1/2/3:
Text Notes 2700 5750 0    50   ~ 0
RTC:
$Comp
L Device:C_Small C34
U 1 1 5C5B9327
P 7000 2500
F 0 "C34" H 7010 2570 50  0000 L CNN
F 1 "?n" H 7010 2420 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 7000 2500 50  0001 C CNN
F 3 "" H 7000 2500 50  0001 C CNN
	1    7000 2500
	1    0    0    -1  
$EndComp
Wire Wire Line
	6800 2750 7000 2750
Wire Wire Line
	7000 2750 7000 2900
Wire Wire Line
	7000 2600 7000 2750
Connection ~ 7000 2750
Wire Wire Line
	7000 2400 7000 2250
Connection ~ 7000 2250
Wire Wire Line
	7000 2250 7050 2250
$Comp
L Device:C_Small C32
U 1 1 5C634476
P 6750 5450
F 0 "C32" H 6760 5520 50  0000 L CNN
F 1 "?n" H 6760 5370 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 6750 5450 50  0001 C CNN
F 3 "" H 6750 5450 50  0001 C CNN
	1    6750 5450
	1    0    0    -1  
$EndComp
Wire Wire Line
	6950 5300 6750 5300
Wire Wire Line
	6750 5300 6750 5350
Connection ~ 6950 5300
Wire Wire Line
	6950 5300 6950 5350
Wire Wire Line
	6750 5550 6750 5650
Wire Wire Line
	6750 5650 6950 5650
Connection ~ 6950 5650
Wire Wire Line
	2850 6100 3200 6100
Wire Wire Line
	3550 6100 3750 6100
Text Label 2850 6100 0    39   ~ 0
VBAT_JP
$Comp
L Jumper:SolderJumper_2_Open JP6
U 1 1 5C2985D8
P 3400 6100
F 0 "JP6" H 3400 6200 50  0000 C CNN
F 1 "SolderJumper_2_Open" H 3400 6214 50  0001 C CNN
F 2 "Jumper:SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm" H 3400 6100 50  0001 C CNN
F 3 "~" H 3400 6100 50  0001 C CNN
	1    3400 6100
	1    0    0    -1  
$EndComp
$Comp
L power:PWR_FLAG #FLG0103
U 1 1 5C2A3AF0
P 3200 6000
F 0 "#FLG0103" H 3200 6075 50  0001 C CNN
F 1 "PWR_FLAG" H 3200 6174 50  0000 C CNN
F 2 "" H 3200 6000 50  0001 C CNN
F 3 "~" H 3200 6000 50  0001 C CNN
	1    3200 6000
	1    0    0    -1  
$EndComp
Wire Wire Line
	3200 6000 3200 6100
Connection ~ 3200 6100
Wire Wire Line
	3200 6100 3250 6100
Text Label 7550 3150 0    39   ~ 0
+3V3
Wire Wire Line
	7550 3150 7700 3150
Wire Wire Line
	7700 3150 7700 3300
Connection ~ 7700 3300
Wire Wire Line
	7000 1700 7000 1850
Connection ~ 7000 1850
Text Label 7600 1700 0    39   ~ 0
+3V3
Wire Wire Line
	7700 1700 7600 1700
Wire Wire Line
	7700 1700 7700 1850
Connection ~ 7700 1850
Wire Wire Line
	7600 3350 7600 3300
Wire Wire Line
	7600 3300 7300 3300
Wire Wire Line
	7600 1900 7600 1850
Wire Wire Line
	7600 1850 7300 1850
Text Label 7300 1850 0    39   ~ 0
ROM_VIO
Text Label 7300 3300 0    39   ~ 0
ROM_VIO
$Comp
L Jumper:SolderJumper_2_Open JP7
U 1 1 5E107841
P 6550 900
F 0 "JP7" H 6550 1105 50  0000 C CNN
F 1 "SolderJumper_2_Open" H 6550 1014 50  0000 C CNN
F 2 "Jumper:SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm" H 6550 900 50  0001 C CNN
F 3 "~" H 6550 900 50  0001 C CNN
	1    6550 900 
	1    0    0    -1  
$EndComp
Text Label 6200 900  0    39   ~ 0
+3V3
Text Label 7500 900  2    39   ~ 0
ROM_VIO
Wire Wire Line
	6200 900  6400 900 
$Comp
L Device:C_Small C36
U 1 1 5E12A9FC
P 6950 1100
F 0 "C36" H 6960 1170 50  0000 L CNN
F 1 "100n" H 6960 1020 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 6950 1100 50  0001 C CNN
F 3 "" H 6950 1100 50  0001 C CNN
	1    6950 1100
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C37
U 1 1 5E12BF34
P 7200 1100
F 0 "C37" H 7210 1170 50  0000 L CNN
F 1 "100n" H 7210 1020 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 7200 1100 50  0001 C CNN
F 3 "" H 7200 1100 50  0001 C CNN
	1    7200 1100
	1    0    0    -1  
$EndComp
Text Label 6700 1300 0    39   ~ 0
GND
Wire Wire Line
	7200 1200 7200 1300
Wire Wire Line
	7200 1300 6950 1300
Wire Wire Line
	6950 1200 6950 1300
Connection ~ 6950 1300
Wire Wire Line
	6950 1300 6700 1300
Wire Wire Line
	6700 900  6950 900 
Wire Wire Line
	7200 1000 7200 900 
Connection ~ 7200 900 
Wire Wire Line
	7200 900  7500 900 
Wire Wire Line
	6950 1000 6950 900 
Connection ~ 6950 900 
Wire Wire Line
	6950 900  7200 900 
Wire Bus Line
	5750 2250 6250 2250
Wire Bus Line
	9000 5150 9000 5550
Wire Bus Line
	8900 2000 8900 4000
Wire Bus Line
	3950 2300 3950 4050
Wire Bus Line
	1950 2250 1950 4100
$EndSCHEMATC