FOXG20 pinout

J6 pinstrip pads

Pin # IC Pin Default Alt ID 2.6x ID 3.1x Note
J6.1 3.3V Power line 3.3 Volt
J6.2 3.3V Power line 3.3 Volt
J6.3 PB28 RTS1 GPIO 92 60 /dev/ttyS2 RTS
J6.4 PB7 RXD1 GPIO 71 39 /dev/ttyS2 RXD
J6.5 PB6 TXD1 GPIO 70 38 /dev/ttyS2 TXD
J6.6 PB29 CTS1 GPIO 93 61 /dev/ttyS2 CTS
J6.7 PB26 RTS0 GPIO 90 58 /dev/ttyS1 RTS
J6.8 PB5 RXD0 GPIO 69 37 /dev/ttyS1 RXD
J6.9 PB4 TXD0 GPIO 68 36 /dev/ttyS1 TXD
J6.10 PB27 CTS0 GPIO 91 59 /dev/ttyS1 CTS
J6.11
J6.12 5V Power line 5 Volt
J6.13 PB11 RXD3 GPIO 75 43 /dev/ttyS4 RXD
J6.14 PB10 TXD3 GPIO 74 42 /dev/ttyS4 TXD
J6.15 PB13 GPIO 77 45
J6.16 PB12 GPIO 76 44
J6.17 PB21 GPIO 85 53
J6.18 PB20 GPIO 84 52
J6.19 PB31 GPIO 95 63
J6.20 PB30 GPIO 94 62
J6.21 PA31 GPIO 63 31
J6.22 PA30 GPIO 62 30
J6.23
J6.24 PA6 GPIO 38 6
J6.25 PA7 GPIO 39 7
J6.26 PA9 GPIO 41 9
J6.27 PC3 AD3 NPCS3 99 67 Analog input 3 or SPI bus chip select 3
J6.28 PC2 AD2 GPIO 98 66 Analog input 2
J6.29 PC1 AD1 GPIO 97 65 Analog input 1
J6.30 PC0 AD0 GPIO 96 64 Analog input 0
J6.31 PA24 SCL GPIO 56 24 I2C Clock
J6.32 PA23 SCD GPIO 55 23 I2C Data
J6.33 AVDD Clean 3.3V out for A/D circuitry
J6.34 VREF A/D voltage reference input
J6.35 AGND Analog ground
J6.36 PA10 GPIO 42 10
J6.37 PA22 GPIO 54 22
J6.38 PA11 GPIO 43 11
J6.39 GND Power line GND
J6.40 GND Power line GND

J7 pinstrip pads

Pin # IC Pin Default Alt ID 2.6x ID 3.1x Note
J7.1 GND Power line GND
J7.2 GND Power line GND
J7.3 PB18 GPIO 82 50
J7.4 PB19 GPIO 83 51
J7.5 PB16 GPIO 80 48
J7.6 PB17 GPIO 81 49
J7.7 PB2 CK GPIO 66 34 SPI bus clock
J7.8 PB3 NPCS0 GPIO 67 35 SPI CS0
J7.9 PB0 MISO GPIO 68 36 SPI MISO
J7.10 PB1 MOSI GPIO 69 37 SPI MOSI
J7.11 PC14 GPIO 110 78 Signal level at 1.8V
J7.12 PC15 GPIO 111 79 Signal level at 1.8V
J7.13 PC12 GPIO 108 76 Signal level at 1.8V
J7.14 PC13 GPIO 109 77 Signal level at 1.8V
J7.15 PC9 GPIO 105 73 Signal level at 1.8V
J7.16 PC10 CTS3 GPIO 106 74 /dev/ttyS4 CTS at 1.8V.
J7.17 PC7 GPIO 103 71 Wired on PC7 red led. Signal level at 1.8V
J7.18 PC8 RTS3 GPIO 104 72 /dev/ttyS4 RTS. Signal level at 1.8V
J7.19 PC5 NPCS1 GPIO 101 69 SPI bus CS1
J7.20 PC6 GPIO 102 70 Reserved. Used to read if the client USB port is wired to a PC
J7.21 PB9 RXD2 GPIO 73 41 /dev/ttyS3 RXD
J7.22 PB8 TXD2 GPIO 72 40 /dev/ttyS3 TXD
J7.23 BATT RTC Battery input, Use this terminal to wire an external 3.3 volt RTC backup battery
J7.24 PGD Wired to power good line on Netus PS1
J7.25 POK Wired to power ok line on Netus PS1
J7.26 SHDNPS# PS1 shutdown. Active low
J7.27 NRST Active low CPU reset input line
J7.28 SHDN# Wired to the SHDN Netus G20 line
J7.29 5V 5 volt power line
J7.30 WAKEUP Wired to the WAKEUP Netus G20 line
J7.31 PB23 GPIO 87 55
J7.32 PB22 GPIO 86 54
J7.33 PB25 GPIO 89 57
J7.34 PB24 GPIO 88 56
J7.35 PA28 GPIO 60 28
J7.36 PA27 GPIO 59 27
J7.37 PA26 GPIO 58 26
J7.38 PA25 GPIO 57 25
J7.39 3.3V Power line 3.3 Volt
J7.40 3.3V Power line 3.3 Volt