Internal I/O Write (1001)

Function

This command substitutes the status specified in data area 1 for the 8-bit internal I/O area starting from the number specified in data area 2.

Format

Command Area (4 bits, input)

1001

Data Area 1 (8 bits, input)

The status to be set will be specified in the internal I/O area starting from the number specified in data area 2.

Data Area 2 (16 bits, input)

This is first number of the internal I/O (8-bit) area for which the status will be substituted. The number can be set between 128 and 504. If the number is out of this range, an error will occur.

Status Area (16 bits, output)

Nothing will be output.

Description

This command substitutes the status specified in data area 1 for the 8-bit internal I/O area starting from the number specified in data area 2.