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Rev.2.00 Nov 28, 2005 page 38 of 378
REJ09B0124-0200
M16C/6N Group (M16C/6NK, M16C/6NM) 6. Processor Mode
Under development
This document is under development and its contents are subject to change.
6.1 Types of Processor Mode
Three processor modes are available to choose from: single-chip mode, memory expansion mode, and
microprocessor mode. (Not available memory expansion and microprocessor modes in T/V-ver..)
Table 6.1 shows the features of these processor modes.
Table 6.1 Features of Processor Modes
Processor Mode 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
(2)
SFR, internal RAM, internal ROM, Some pins serve as bus control pins
(1)
external area
(1)
Microprocessor Mode
(2)
SFR, internal RAM, external area
(1)
Some pins serve as bus control pins
(1)
NOTES:
1. Refer to 7. Bus.
2. Not available in T/V-ver..
6. Processor Mode
Note
6. Processor Mode explains as an example of a Normal-ver..
T/V-ver. is available single-chip mode only. Not available memory expansion mode and microprocessor
mode.