Avalue ECM-QM77 - Manual (Page 16)

ECM-QM77 Quick Installation Guide
16 ECM-QM77 Quick Installation Guide
2.3.16 SPI connector (JSPI1)
Signal PIN PIN Signal
7 HOLD#
SPI_SI 6 5 SPI_SO
SPI_CLK 4 3 SPI_CS0#
GND 2 1 +3.3V
2.3.17 Power connector (PWR1)
Signal PIN PIN Signal
GND 1 2 GND
+12V 3 4 +12V