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4.
Connectors and Pin-outs
4.1
J1 (Front Panel and Expansion I/O)
Pin number
Define
Pin number
Define
PIN 1
UART1_RXD_HDR_3V3
PIN 2
RS232_RXD
PIN 3
UART1_TXD_HDR_3V3
PIN 4
RS232_TXD
PIN 5
UART1_RTS_HDR_3V3
PIN 6
RS232_RTS
PIN 7
UART1_CTS_HDR_3V3
PIN 8
RS232_CTS
PIN 9
GND
PIN 10
GND
PIN 11
POWER_BTN_R
PIN 12
GND
PIN 13
RESET_IN_L_R
PIN 14
GND