MB86604LPFV datasheet(49/56 Pages) FUJITSU

49 / 56 page

MB86604L

Programmable Commands

The user program is stored in the user program memory and begins operation when the user program head address

is written in the command register.

Programmable commands are composed of discrete and special commands and have a command length of one

(1) or two (2) bytes.

• Command field assign

Command type

Command code (1st byte)

Operand (2nd byte)

Discrete commands

Message, command, or status phases

send command

Memory address of the data to be sent.

Message, command, or status phases

receive command

Memory address of received data being

stored.

Data phase receive/send command or

do not perform transfer command

—

Special commands

AND command

Data for AND operation or memory

address of data for AND operation.

TEST AND command

Data for AND operation or memory

address of data for AND operation.

COMPARE command

Data for COMPARE operation or

memory address of data for COMPARE

operation.

Conditional branch command

Jump head address

MOVE command

Memory address to be moved.

STOP command

User status code

NOP command

—

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