Microcomputer Mode; Specifications Of Microcomputer Mode - Mitsubishi MELSEC-A Series Programming Manual

8. MICROCOMPUTER MODE

8. MICROCOMPUTER MODE

8.1 Specifications of Microcomputer Mode

CPU
Module
(Clock)
A1
A2 (S1) 8086
(8 MHz)
A3
A1N
A2N (S1)
A3N
8086
(10 MHz)
A3V
A73
A52G
A1SH, 8086
A1SJH (30 MHz)
A2SH (S1)
8086
(40 MHz)
A1FX
A0J2H
8086
(8 MHz)
A2C
A3H
80286
(8 MHz)
A3M
This section gives the microcomputer mode specifications, memory map and data
memory configuration of the ACPU modules. Note that the AnA, A2AS, AnU,
QCPU-A (A Mode) and A2USH board cannot use the microcomputer mode.
Table 8.1 Specifications of Microcomputer Mode
Microcomputer
*1
Program Area
0 to 10K bytes
0 to 26K bytes
0 to 58K bytes (Main)
0 to 58K bytes (Sub)
0 to 10K bytes
0 to 26K bytes
0 to 58K bytes (Main)
0 to 58K bytes (Sub)
0 to 58K bytes (Main)
0 to 58K bytes (Sub)
0 to 58K bytes (Main)
0 to 58K bytes (Sub)
0 to 14K bytes
0 to 14K bytes
0 to 26K bytes
0 to 26K bytes
0 to 14K bytes
0 to 14K bytes
0 to 58K bytes (Main)
0 to 58K bytes (Sub)
0 to 58K bytes (Main)
0 to 58K bytes (Sub)
*1: Specify the microcomputer program area in multiples of 2K bytes.
The relation between the main (sub) program, sequence program, and
microcomputer program capacities is as indicated below:
Main (sub)
program memory
capacity
*2: Never use the instructions specified as those which cannot be used in preparing
microcomputer programs. If they are used, the PC CPU will malfunction when
a microcomputer program is run.
Work Area
User area: 128 bytes (No
A100 to A1FF
H H
setting required by the
(256 bytes)
user)
sequence
=
program memory
capacity
8 − 1
MELSEC-A
Instructions which
Stack Area
cannot be used *2
INT, INTO, IRET, IN,
OUT, HLT, WAIT,
LOCK, ESC
INT, INTO, IRET, IN,
OUT, HLT, WAIT,
LOCK, ESC, CLI, STI
microcomputer
+
program memory
capacity