Renesas 16-bit single-chip microcomputer Manual De Usuario

Rev.1.02    Jul 01, 2005    page 28 of 314
REJ09B0126-0102

M16C/6N Group (M16C/6NL, M16C/6NN)

6. Processor  Mode

This document is under development and its contents are subject to change.

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.

Processor Mode Bit

Reserved Bit

Software Reset Bit

PM03

PM01

PM00

-

(b2)

RW

RW

RW

RW

RW

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

  

00h

PM0

0004h

Processor Mode Register 0 

(1)

Bit Name

Function

Bit Symbol

b7

b6

b5

b4

b3

b2

b1

b0

Reserved Bit

-

(b7-b4)

RW

Set to "0"

0 0 0 0

0 0 0