path: root/hw1/hw1.sch

EESchema Schematic File Version 2
LIBS:hw1-rescue
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
LIBS:stm32
LIBS:hw1-cache
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date "lun. 30 mars 2015"
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Text Label 8950 1450 1    60   ~ 0
Vin
Text Label 9300 1450 1    60   ~ 0
IOREF
Text Label 8900 2500 0    60   ~ 0
DAC1
Text Label 8900 2600 0    60   ~ 0
DAC2
Text Label 8900 2700 0    60   ~ 0
ADC_IN1
Text Label 8900 2800 0    60   ~ 0
A3
Text Label 8900 2900 0    60   ~ 0
I2C_SDA
Text Label 10550 3000 0    60   ~ 0
UART_TX
Text Label 10550 2800 0    60   ~ 0
2
Text Label 10550 2900 0    60   ~ 0
UART_RX
Text Label 10550 2700 0    60   ~ 0
3(**)
Text Label 10550 2600 0    60   ~ 0
4
Text Label 10550 2500 0    60   ~ 0
5(**)
Text Label 10550 2400 0    60   ~ 0
6(**)
Text Label 10550 2300 0    60   ~ 0
7
Text Label 10550 2100 0    60   ~ 0
8
Text Label 10550 2000 0    60   ~ 0
9(**)
Text Label 10550 1900 0    60   ~ 0
SPI_CS
Text Label 10550 1800 0    60   ~ 0
SPI_MOSI
Text Label 10550 1700 0    60   ~ 0
SPI_MISO
Text Label 10550 1600 0    60   ~ 0
SPI_SCK
Text Label 10550 1400 0    60   ~ 0
AREF
NoConn ~ 9400 1600
Text Label 10550 1300 0    60   ~ 0
I2C_SDA
Text Label 10550 1200 0    60   ~ 0
I2C_SCL
Text Notes 10850 1000 0    60   ~ 0
Holes
Text Notes 8550 750  0    60   ~ 0
Arduino UNOr3 pins\nAs used on Nucleo64 boards\n
$Comp
L CONN_01X08 P1
U 1 1 56D70129
P 9600 1950
F 0 "P1" H 9600 2400 50  0000 C CNN
F 1 "Power" V 9700 1950 50  0000 C CNN
F 2 "Socket_Arduino_Uno:Socket_Strip_Arduino_1x08" H 9600 1950 50  0001 C CNN
F 3 "" H 9600 1950 50  0000 C CNN
	1    9600 1950
	1    0    0    -1  
$EndComp
Text Label 8650 1800 0    60   ~ 0
Reset
$Comp
L +3.3V #PWR01
U 1 1 56D70538
P 9150 1450
F 0 "#PWR01" H 9150 1300 50  0001 C CNN
F 1 "+3.3V" H 9150 1590 30  0000 C CNN
F 2 "" H 9150 1450 50  0000 C CNN
F 3 "" H 9150 1450 50  0000 C CNN
	1    9150 1450
	1    0    0    -1  
$EndComp
$Comp
L +5V #PWR02
U 1 1 56D707BB
P 9050 1450
F 0 "#PWR02" H 9050 1300 50  0001 C CNN
F 1 "+5V" H 9050 1590 30  0000 C CNN
F 2 "" H 9050 1450 50  0000 C CNN
F 3 "" H 9050 1450 50  0000 C CNN
	1    9050 1450
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR03
U 1 1 56D70CC2
P 9300 3150
F 0 "#PWR03" H 9300 2900 50  0001 C CNN
F 1 "GND" H 9300 3000 50  0000 C CNN
F 2 "" H 9300 3150 50  0000 C CNN
F 3 "" H 9300 3150 50  0000 C CNN
	1    9300 3150
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR04
U 1 1 56D70CFF
P 10300 3150
F 0 "#PWR04" H 10300 2900 50  0001 C CNN
F 1 "GND" H 10300 3000 50  0000 C CNN
F 2 "" H 10300 3150 50  0000 C CNN
F 3 "" H 10300 3150 50  0000 C CNN
	1    10300 3150
	1    0    0    -1  
$EndComp
$Comp
L CONN_01X06 P2
U 1 1 56D70DD8
P 9600 2750
F 0 "P2" H 9600 3100 50  0000 C CNN
F 1 "Analog" V 9700 2750 50  0000 C CNN
F 2 "Socket_Arduino_Uno:Socket_Strip_Arduino_1x06" H 9600 2750 50  0001 C CNN
F 3 "" H 9600 2750 50  0000 C CNN
	1    9600 2750
	1    0    0    -1  
$EndComp
$Comp
L CONN_01X01 P5
U 1 1 56D71177
P 10800 650
F 0 "P5" V 10900 650 50  0000 C CNN
F 1 "CONN_01X01" V 10900 650 50  0001 C CNN
F 2 "Socket_Arduino_Uno:Arduino_1pin" H 10800 650 50  0001 C CNN
F 3 "" H 10800 650 50  0000 C CNN
	1    10800 650 
	0    -1   -1   0   
$EndComp
$Comp
L CONN_01X01 P6
U 1 1 56D71274
P 10900 650
F 0 "P6" V 11000 650 50  0000 C CNN
F 1 "CONN_01X01" V 11000 650 50  0001 C CNN
F 2 "Socket_Arduino_Uno:Arduino_1pin" H 10900 650 50  0001 C CNN
F 3 "" H 10900 650 50  0000 C CNN
	1    10900 650 
	0    -1   -1   0   
$EndComp
$Comp
L CONN_01X01 P7
U 1 1 56D712A8
P 11000 650
F 0 "P7" V 11100 650 50  0000 C CNN
F 1 "CONN_01X01" V 11100 650 50  0001 C CNN
F 2 "Socket_Arduino_Uno:Arduino_1pin" H 11000 650 50  0001 C CNN
F 3 "" H 11000 650 50  0000 C CNN
	1    11000 650 
	0    -1   -1   0   
$EndComp
$Comp
L CONN_01X01 P8
U 1 1 56D712DB
P 11100 650
F 0 "P8" V 11200 650 50  0000 C CNN
F 1 "CONN_01X01" V 11200 650 50  0001 C CNN
F 2 "Socket_Arduino_Uno:Arduino_1pin" H 11100 650 50  0001 C CNN
F 3 "" H 11100 650 50  0000 C CNN
	1    11100 650 
	0    -1   -1   0   
$EndComp
NoConn ~ 10800 850 
NoConn ~ 10900 850 
NoConn ~ 11000 850 
NoConn ~ 11100 850 
$Comp
L CONN_01X08 P4
U 1 1 56D7164F
P 10000 2650
F 0 "P4" H 10000 3100 50  0000 C CNN
F 1 "Digital" V 10100 2650 50  0000 C CNN
F 2 "Socket_Arduino_Uno:Socket_Strip_Arduino_1x08" H 10000 2650 50  0001 C CNN
F 3 "" H 10000 2650 50  0000 C CNN
	1    10000 2650
	-1   0    0    1   
$EndComp
$Comp
L CONN_01X10 P3
U 1 1 56D721E0
P 10000 1650
F 0 "P3" H 10000 2200 50  0000 C CNN
F 1 "Digital" V 10100 1650 50  0000 C CNN
F 2 "Socket_Arduino_Uno:Socket_Strip_Arduino_1x10" H 10000 1650 50  0001 C CNN
F 3 "" H 10000 1650 50  0000 C CNN
	1    10000 1650
	-1   0    0    1   
$EndComp
Text Notes 9700 1600 0    60   ~ 0
1
$Comp
L STM32L151C6TxA U1
U 1 1 58CEFE92
P 4550 4350
F 0 "U1" H 1050 6075 50  0000 L BNN
F 1 "STM32L151C6TxA" H 8050 6075 50  0000 R BNN
F 2 "LQFP48" H 8050 6025 50  0000 R TNN
F 3 "" H 4550 4350 50  0000 C CNN
	1    4550 4350
	1    0    0    -1  
$EndComp
$Comp
L CONN_02X05 P9
U 1 1 58CF048F
P 1150 1250
F 0 "P9" H 1150 1550 50  0000 C CNN
F 1 "FX2LA" H 1150 950 50  0000 C CNN
F 2 "Connectors:IDC_Header_Straight_10pins" H 1150 50  50  0001 C CNN
F 3 "" H 1150 50  50  0000 C CNN
	1    1150 1250
	1    0    0    -1  
$EndComp
$Comp
L +3V3 #PWR05
U 1 1 58CF063D
P 4500 2350
F 0 "#PWR05" H 4500 2200 50  0001 C CNN
F 1 "+3V3" H 4500 2490 50  0000 C CNN
F 2 "" H 4500 2350 50  0000 C CNN
F 3 "" H 4500 2350 50  0000 C CNN
	1    4500 2350
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR06
U 1 1 58CF077D
P 4450 6300
F 0 "#PWR06" H 4450 6050 50  0001 C CNN
F 1 "GND" H 4450 6150 50  0000 C CNN
F 2 "" H 4450 6300 50  0000 C CNN
F 3 "" H 4450 6300 50  0000 C CNN
	1    4450 6300
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR07
U 1 1 58CF0E5B
P 1500 1550
F 0 "#PWR07" H 1500 1300 50  0001 C CNN
F 1 "GND" H 1500 1400 50  0000 C CNN
F 2 "" H 1500 1550 50  0000 C CNN
F 3 "" H 1500 1550 50  0000 C CNN
	1    1500 1550
	1    0    0    -1  
$EndComp
$Comp
L USB_OTG-RESCUE-hw1 P10
U 1 1 58CF10AD
P 3650 1250
F 0 "P10" H 3975 1125 50  0000 C CNN
F 1 "CONTROL" H 3650 1450 50  0000 C CNN
F 2 "Connectors:USB_Micro-B" V 3600 1150 50  0001 C CNN
F 3 "" V 3600 1150 50  0000 C CNN
	1    3650 1250
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR08
U 1 1 58CF1156
P 3850 1650
F 0 "#PWR08" H 3850 1400 50  0001 C CNN
F 1 "GND" H 3850 1500 50  0000 C CNN
F 2 "" H 3850 1650 50  0000 C CNN
F 3 "" H 3850 1650 50  0000 C CNN
	1    3850 1650
	1    0    0    -1  
$EndComp
Text Label 8300 5350 0    60   ~ 0
USB_DM
Text Label 8300 5450 0    60   ~ 0
USB_DP
Text Label 3550 1900 1    60   ~ 0
USB_DM
Text Label 3650 1900 1    60   ~ 0
USB_DP
Text Label 8450 4650 0    60   ~ 0
DAC1
Text Label 8450 4750 0    60   ~ 0
DAC2
Text Label 550  5050 0    60   ~ 0
I2C_SCL
Text Label 550  5150 0    60   ~ 0
I2C_SDA
Text Notes 3850 750  0    60   ~ 0
TBD: debug via via 6pin/10x1.27/20x2.54?  (leaning toward 6pin _and_ 10x127 smd)
Text Label 8900 3000 0    60   ~ 0
I2C_SCL
Text Notes 8500 3000 0    60   ~ 0
A5 (SCL)
Text Notes 8500 2900 0    60   ~ 0
A4 (SDA)
Text Notes 8500 2500 0    60   ~ 0
A0
Text Notes 8500 2600 0    60   ~ 0
A1
Text Notes 10950 1300 0    60   ~ 0
D15 (SCL)\nD14 (SDA)
Text Notes 11150 1900 0    60   ~ 0
13(SCK) (DACOUT2)\n12(MISO)\n11(**/MOSI)\n10(**/SS)
Text Notes 11100 3000 0    60   ~ 0
Target TX\nTarget RX
Wire Notes Line
	8525 825  9925 825 
Wire Notes Line
	9925 825  9925 475 
Wire Wire Line
	9300 1450 9300 1700
Wire Wire Line
	9300 1700 9400 1700
Wire Wire Line
	9400 1900 9150 1900
Wire Wire Line
	9400 2000 9050 2000
Wire Wire Line
	9400 2300 8950 2300
Wire Wire Line
	9400 2100 9300 2100
Wire Wire Line
	9400 2200 9300 2200
Connection ~ 9300 2200
Wire Wire Line
	8950 2300 8950 1450
Wire Wire Line
	9050 2000 9050 1450
Wire Wire Line
	9150 1900 9150 1450
Wire Wire Line
	9400 2500 8900 2500
Wire Wire Line
	9400 2600 8900 2600
Wire Wire Line
	9400 2700 8900 2700
Wire Wire Line
	9400 2800 8900 2800
Wire Wire Line
	9400 2900 8900 2900
Wire Wire Line
	9400 3000 8900 3000
Wire Wire Line
	10200 2100 10550 2100
Wire Wire Line
	10200 2000 10550 2000
Wire Wire Line
	10200 1900 10550 1900
Wire Wire Line
	10200 1800 10550 1800
Wire Wire Line
	10200 1700 10550 1700
Wire Wire Line
	10200 1600 10550 1600
Wire Wire Line
	10200 1400 10550 1400
Wire Wire Line
	10200 1300 10550 1300
Wire Wire Line
	10200 1200 10550 1200
Wire Wire Line
	10200 3000 10550 3000
Wire Wire Line
	10200 2900 10550 2900
Wire Wire Line
	10200 2800 10550 2800
Wire Wire Line
	10200 2700 10550 2700
Wire Wire Line
	10200 2600 10550 2600
Wire Wire Line
	10200 2500 10550 2500
Wire Wire Line
	10200 2400 10550 2400
Wire Wire Line
	10200 2300 10550 2300
Wire Wire Line
	10200 1500 10300 1500
Wire Wire Line
	10300 1500 10300 3150
Wire Wire Line
	9300 2100 9300 3150
Wire Notes Line
	8500 500  8500 3450
Wire Notes Line
	8500 3450 11200 3450
Wire Wire Line
	9400 1800 8650 1800
Wire Notes Line
	11200 1000 10700 1000
Wire Notes Line
	10700 1000 10700 500 
Wire Wire Line
	4500 2450 4500 2350
Wire Wire Line
	4350 2450 4650 2450
Wire Wire Line
	4350 2450 4350 2550
Wire Wire Line
	4450 2550 4450 2450
Connection ~ 4450 2450
Wire Wire Line
	4550 2450 4550 2550
Connection ~ 4500 2450
Wire Wire Line
	4650 2450 4650 2550
Connection ~ 4550 2450
Wire Wire Line
	4350 6150 4350 6250
Wire Wire Line
	4350 6250 4650 6250
Wire Wire Line
	4450 6150 4450 6300
Connection ~ 4450 6250
Wire Wire Line
	4550 6250 4550 6150
Wire Wire Line
	4650 6250 4650 6150
Connection ~ 4550 6250
Wire Wire Line
	1400 1450 1500 1450
Wire Wire Line
	1500 1450 1500 1550
Wire Wire Line
	3850 1550 3850 1650
Wire Wire Line
	8150 5350 8450 5350
Wire Wire Line
	8150 5450 8450 5450
Wire Wire Line
	3550 1550 3550 1900
Wire Wire Line
	3650 1550 3650 1900
Wire Wire Line
	8150 4650 8700 4650
Wire Wire Line
	8150 4750 8700 4750
Wire Wire Line
	550  5150 950  5150
Wire Wire Line
	950  5050 550  5050
Wire Wire Line
	1400 1050 2000 1050
Wire Wire Line
	1400 1150 2000 1150
Wire Wire Line
	1400 1250 2000 1250
Wire Wire Line
	1400 1350 2000 1350
Wire Wire Line
	900  1050 500  1050
Wire Wire Line
	900  1150 500  1150
Wire Wire Line
	900  1250 500  1250
Wire Wire Line
	900  1350 500  1350
Text Label 500  1050 0    60   ~ 0
I2C_SCL
Text Label 1500 1050 0    60   ~ 0
I2C_SDA
Text Label 500  1150 0    60   ~ 0
SPI_SCK
Text Label 500  1250 0    60   ~ 0
SPI_MOSI
Text Label 1500 1150 0    60   ~ 0
SPI_MISO
Text Label 1500 1250 0    60   ~ 0
SPI_CS
Text Label 500  1350 0    60   ~ 0
UART_RX
Text Label 1500 1350 0    60   ~ 0
UART_TX
Text Notes 450  2100 0    60   Italic 0
NOTE: this can be freely routed to do whatever's possible!\nPotentially:\nJumpers to select what you're connecting here?\n(but non-ideal)
$Comp
L C C2
U 1 1 58CF43FF
P 1500 7000
F 0 "C2" H 1525 7100 50  0000 L CNN
F 1 "100n" H 1525 6900 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 1538 6850 50  0000 C CNN
F 3 "" H 1500 7000 50  0000 C CNN
	1    1500 7000
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR09
U 1 1 58CF46A1
P 2050 7350
F 0 "#PWR09" H 2050 7100 50  0001 C CNN
F 1 "GND" H 2050 7200 50  0000 C CNN
F 2 "" H 2050 7350 50  0000 C CNN
F 3 "" H 2050 7350 50  0000 C CNN
	1    2050 7350
	1    0    0    -1  
$EndComp
$Comp
L +3V3 #PWR010
U 1 1 58CF46D6
P 2050 6650
F 0 "#PWR010" H 2050 6500 50  0001 C CNN
F 1 "+3V3" H 2050 6790 50  0000 C CNN
F 2 "" H 2050 6650 50  0000 C CNN
F 3 "" H 2050 6650 50  0000 C CNN
	1    2050 6650
	1    0    0    -1  
$EndComp
Wire Wire Line
	2050 6850 2050 6650
Wire Wire Line
	1500 6850 2600 6850
Connection ~ 1850 6850
Connection ~ 2050 6850
Connection ~ 2250 6850
Wire Wire Line
	1500 7150 2600 7150
Connection ~ 2250 7150
Connection ~ 1850 7150
Wire Wire Line
	2050 7350 2050 7150
Connection ~ 2050 7150
$Comp
L C C1
U 1 1 58CF4B65
P 600 3100
F 0 "C1" H 625 3200 50  0000 L CNN
F 1 "100n" H 625 3000 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 638 2950 50  0000 C CNN
F 3 "" H 600 3100 50  0000 C CNN
	1    600  3100
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR011
U 1 1 58CF4BEA
P 600 3350
F 0 "#PWR011" H 600 3100 50  0001 C CNN
F 1 "GND" H 600 3200 50  0000 C CNN
F 2 "" H 600 3350 50  0000 C CNN
F 3 "" H 600 3350 50  0000 C CNN
	1    600  3350
	1    0    0    -1  
$EndComp
Wire Wire Line
	950  2950 600  2950
Wire Wire Line
	600  3250 600  3350
NoConn ~ 950  4250
NoConn ~ 950  4350
NoConn ~ 950  4050
NoConn ~ 950  3950
NoConn ~ 950  3850
NoConn ~ 950  4650
Wire Wire Line
	950  4550 550  4550
Text Label 550  4550 0    60   Italic 0
SWO
Wire Wire Line
	8150 5550 8450 5550
Wire Wire Line
	8150 5650 8450 5650
Text Label 8300 5550 0    60   Italic 0
SWDIO
Text Label 8300 5650 0    60   Italic 0
SWCLK
Text Label 650  2950 0    60   Italic 0
NRST
$Comp
L PWR_FLAG #FLG012
U 1 1 58CF5CCA
P 3650 7100
F 0 "#FLG012" H 3650 7195 50  0001 C CNN
F 1 "PWR_FLAG" H 3650 7280 50  0000 C CNN
F 2 "" H 3650 7100 50  0000 C CNN
F 3 "" H 3650 7100 50  0000 C CNN
	1    3650 7100
	-1   0    0    1   
$EndComp
$Comp
L PWR_FLAG #FLG013
U 1 1 58CF5E41
P 4100 7000
F 0 "#FLG013" H 4100 7095 50  0001 C CNN
F 1 "PWR_FLAG" H 4100 7180 50  0000 C CNN
F 2 "" H 4100 7000 50  0000 C CNN
F 3 "" H 4100 7000 50  0000 C CNN
	1    4100 7000
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR014
U 1 1 58CF5E8B
P 4100 7100
F 0 "#PWR014" H 4100 6850 50  0001 C CNN
F 1 "GND" H 4100 6950 50  0000 C CNN
F 2 "" H 4100 7100 50  0000 C CNN
F 3 "" H 4100 7100 50  0000 C CNN
	1    4100 7100
	1    0    0    -1  
$EndComp
$Comp
L +3V3 #PWR015
U 1 1 58CF5ED5
P 3650 7000
F 0 "#PWR015" H 3650 6850 50  0001 C CNN
F 1 "+3V3" H 3650 7140 50  0000 C CNN
F 2 "" H 3650 7000 50  0000 C CNN
F 3 "" H 3650 7000 50  0000 C CNN
	1    3650 7000
	1    0    0    -1  
$EndComp
Wire Wire Line
	3650 7000 3650 7100
Wire Wire Line
	4100 7000 4100 7100
Text Notes 4600 7150 0    60   Italic 12
TODO: VBUS to 3v3 plz!
Text Notes 5200 1500 0    60   Italic 12
ONLY GROUND BETWEEN BOARDS\nBoth will be powered by their own USB.\n(We're not interested in bootloading the target....\nyet...?)
$Comp
L C C3
U 1 1 58CF69A9
P 1850 7000
F 0 "C3" H 1875 7100 50  0000 L CNN
F 1 "100n" H 1875 6900 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 1888 6850 50  0000 C CNN
F 3 "" H 1850 7000 50  0000 C CNN
	1    1850 7000
	1    0    0    -1  
$EndComp
$Comp
L C C4
U 1 1 58CF69F1
P 2250 7000
F 0 "C4" H 2275 7100 50  0000 L CNN
F 1 "100n" H 2275 6900 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 2288 6850 50  0000 C CNN
F 3 "" H 2250 7000 50  0000 C CNN
	1    2250 7000
	1    0    0    -1  
$EndComp
$Comp
L C C5
U 1 1 58CF6A3A
P 2600 7000
F 0 "C5" H 2625 7100 50  0000 L CNN
F 1 "100n" H 2625 6900 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 2638 6850 50  0000 C CNN
F 3 "" H 2600 7000 50  0000 C CNN
	1    2600 7000
	1    0    0    -1  
$EndComp
NoConn ~ 900  1450
Text Notes 650  1450 0    60   ~ 0
CLK
Wire Wire Line
	8150 4450 8700 4450
Wire Wire Line
	8150 4550 8700 4550
Text Label 8450 4450 0    60   ~ 0
UART_TX
Text Label 8450 4550 0    60   ~ 0
UART_RX
Wire Wire Line
	950  5450 600  5450
Wire Wire Line
	950  5550 600  5550
Wire Wire Line
	950  5650 600  5650
Wire Wire Line
	950  5750 600  5750
Text Label 550  5450 0    60   ~ 0
SPI_CS
Text Label 550  5550 0    60   ~ 0
SPI_CSK
Text Label 550  5650 0    60   ~ 0
SPI_MISO
Text Label 550  5750 0    60   ~ 0
SPI_MOSI
Wire Wire Line
	8150 4850 8700 4850
Wire Wire Line
	8150 4950 8700 4950
Text Label 8450 4850 0    60   ~ 0
ADC_IN1
Text Label 8450 4950 0    60   ~ 0
ADC_IN2
Text Notes 8500 2700 0    60   ~ 0
PA4(DAC1)
$EndSCHEMATC