ADLINK PCM-6308V+ - Manual (Page 31)

Registers 21
3.4 Digital Output Register
D0~D3 is the digital output signal written to the output channel.
D4~D7 don’t care.
Address: BASE + 40(hex)
Attribute: write only
Data Format:
3.5 Digital Input Ports
D4~D7 is the digital input signal from CN1.
D0~D3 is read back signal from the digital output channel.
Address: BASE + 40(hex)
Attribute: read only
Data Format:
Bit 7 6 5 4 3 2 1 0
BASE+20 X X X X DO3 DO2 DO1 DO0
Table 3-3: Digital Output Register
Bit 7 6 5 4 3 2 1 0
BASE+20 DI3 DI2 DI1 DI0 DO3 DO2 DO1 DO0
Table 3-4: Digital Input Ports