Renesas R8C series User Manual

R8C/1A Group, R8C/1B Group 8. Processor Mode
Rev.1.30 Dec 08, 2006 Page 55 of 315
REJ09B0252-0130
8. Processor Mode
8.1 Processor Modes
Single-chip mode can be selected as the processor mode. Table 8.1 lists Features of Processor Mode. Figure 8.1
shows the PM0 Register and Figure 8.2 shows the PM1 Register.
Figure 8.1 PM0 Register
Table 8.1 Features of Processor Mode
Processor Mode Accessible Areas Pins Assignable as I/O Port Pins
Single-chip mode SFR, internal RAM, internal ROM All pins are I/O ports or peripheral
function I/O pins.
Processor Mode Register 0
(1)
Symbol Address After Reset
PM0 0004h 00h
Bit Symbol Bit Name Function RW
NOTE :
1.
b3 b2
—
b1 b0
000
—
(b2-b0)
b7 b6 b5 b4
RW
Reserved bits Set to 0.
Set the PRC1 bit in the PRCR register to 1 (w rite enable) before rew riting the PM0 register.
The MCU is reset w hen this bit is set to 1.
When read, the content is 0.
RW
—
(b7-b4)
PM03
Software reset bit
Nothing is assigned. If necessary, set to 0.
When read, the content is 0.

Renesas R8C series Specifications

General

Brand	Renesas
Model	R8C series
Category	Computer Hardware
Language	English