Adlink ACL-8111 Manual de usuario descargar pdf (Pagina 30)

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Registers Format

3.8 Digital I/O register

There are 16 digital input channels and 16 digital output channels are

provided by the ACL-8111. The address Base + 6 and Base + 7 are used for

digital input channels, and the address Base + 13 and Base + 14 are used for

digital output channels.

Address : BASE + 6 & BASE + 7

Attribute:

read only

Data Format:

Bit 7 6 5 4 3 2 1 0

Base + 6 DI7 DI6 DI5 DI4 DI3 DI2 DI1 DI0

Base + 7 DI15 DI14 DI13 DI12 DI11 DI10 DI9 DI8

Address: BASE + 13 & BASE + 14

Attribute: write only

Data Format:

Bit 7 6 5 4 3 2 1 0

Base + 13

DO7 DO6 DO5 DO4 DO3 DO2 DO1 DO0

Base + 14

DO15 DO14 DO13 DO12 DO11 DO10 DO9 DO8

3.9 D/A Output Register

The D/A converter will convert the D/A output register data to the analog

signal. The register data of the address Base + 4 and Base + 5 are used for

D/A conversion.

Address: BASE + 4 & BASE + 5

Attribute:

write only

Data Format:

Bit 7 6 5 4 3 2 1 0

Base + 4 DA7 DA6 DA5 DA4 DA3 DA2 DA1 DA0

Base + 5 X X X X DA11 DA10 DA9 DA8

DA0 is the LSB and DA11 is the MSB of the 12 bit data.

X: don't care

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Adlink ACL-8111 Manual de usuario Pagina 30