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M16C/62P Group (M16C/62P, M16C/62PT)
7. Processor Mode
Rev.2.41
Jan 10, 2006
Page 54 of 390
REJ09B0185-0241
7.
Processor 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 Processor Modes.
NOTES:
1. Refer to
8. Bus
.
Table 7.1
Features of Processor Modes
Processor Modes
Access Space
Pins which are Assigned I/O Ports
Single-Chip Mode
SFR, Internal RAM, Internal ROM All pins are I/O ports or peripheral function I/O
pins
Memory Expansion
Mode
SFR, Internal RAM, Internal ROM,
External Area
(1)
Some pins serve as bus control pins
(1)
Microprocessor
Mode
SFR, Internal RAM, External Area
(1)
Some pins serve as bus control pins
(1)
The M16C/62P (80-pin version) and M16C/62PT do not use memory expansion mode, and microprocessor
mode.
Note
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