Renesas 6NM, M16C, M16C/6NM, M16C/6NK

Rev.1.10 Jul 01, 2005 page 32 of 318

REJ09B0124-0110

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. Processor Mode

Three processor mode is available single-chip mode only.

Figures 6.1 and 6.2 show the processor mode related registers. Figure 6.3 shows the memory map.

Figure 6.1 PM0 Register

Processor Mode Bit

Reserved Bit

Software Reset Bit

PM03

PM01

PM00

(b2)

0 0 : Single-chip mode

0 1 :

1 0 : Do not set a value

1 1 :

b1 b0

Set to "0"

Setting this bit to "1" resets the

microcomputer. When read, its

content is "0".

NOTE:

1. Write to this register after setting the PRC1 bit in the PRCR register to "1" (write enable).

Symbol Address After Reset

00hPM0 0004h

Processor Mode Register 0 (1)

Bit Name Function

Bit Symbol

b7 b6 b5 b4 b3 b2 b1 b0

Reserved Bit

(b7-b4) RWSet to "0"

0000 000