Habey BIS-6650 - Manual (Page 22)

2.5.7 Programmable Input/Output（JGP）
General purpose programmble Input/Output. 8bit GPIO, one 2x 5Pin header.
GPIO:
Signal Name Pin Signal Name
SIO_GP30 1 2 VCC
SIO_GP31 3 4 SIO_GP34
SIO_GP32 5 6 SIO_GP35
SIO_GP33 7 8 SIO_GP36
GND 9 10 SIO_GP37
2.5.8 Power Interface（PWR1, PWR2）
Inbuilt power interface PWR1 is reserved. PWR2 is the default external power interface.
16