Register Bit Descriptions

Refer to the I/O Map for counter/timer and DIO register sets.

9513 Control/Status Data

9513 Control/Status Pointer

9513 DIO Input Data

9513 DIO Output Data

9513 Interrupt Enable/Disable

9513 Interrupt Reset

EEPROM Data

EEPROM Address

EEPROM Status

EEPROM Control

FPGA Revision Code

Select Clock Source

Interrupt Source

Interrupt Status

Interrupt Control

Auxiliary DIO Control

Board Reset

Board ID

8255 Data

8255 Control and Status (Basic Mode Definition–MSFLAG=1)

8255 Control and Status (Bit SET/RESET Mode – MSFLAG=0)