Processor Mode; Processor Modes - Renesas R8C Series User Manual

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