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M16C/62P Group (M16C/62P, M16C/62PT)
7. Processor Mode
Note
7. Processor Mode is described in the M16C/62P (128-pin version and 100-pin version)
only as an example.
The M16C/62P (80-pin version) and M16C/62PT do not use memory expansion mode,
and microprocessor mode.
7.1 Types of Processor Mode
Three processor modes are available to choose from: single-chip mode, memory expansion mode, and
microprocessor mode. Table 7.1 shows the features of these processor modes.
Table 7.1 Features of Processor Modes
Processor Modes
Single-Chip Mode
Memory Expansion Mode
Microprocessor Mode
NOTES :
1. Refer to 8. Bus.
R
e
. v
2
3 .
0
S
e
p
0
, 1
2
0
0
4
R
E
J
0
9
B
0
1
8
5
0 -
2
3
0
Z
Access Space
SFR, Internal RAM, Internal ROM
SFR, Internal RAM, Internal ROM,
(1)
External Area
SFR, Internal RAM, External Area
page 41
f o
3
6
4
Pins which are Assigned I/O Ports
All pins are I/O ports or peripheral
function I/O pins
Some pins serve as bus control pins
(1)
Some pins serve as bus control pins
7. Processor Mode
(1)
(1)
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