
R8C/14 Group, R8C/15 Group 7. Processor Mode
Rev.2.10 Jan 19, 2006 Page 35 of 253
REJ09B0164-0210
7. Processor Mode
7.1 Types of Processor Mode
Single-chip mode can be selected as processor mode. Table 7.1 lists Features of Processor Mode.
Figure 7.1 shows the PM0 Register and Figure 7.2 shows the PM1 Register.
Figure 7.1 PM0 Register
Table 7.1 Features of Processor Mode
Processor Mode Access Area
Pins to which I/O ports are
assigned
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
NOTES :
1.
b3 b2
—
b1 b0
000
—
(b2-b0)
b7 b6 b5 b4
RW
Reserved Bit Set to “0”
Set the PRC1 bit in the PRCR register to “1” (w rite enable) before rew riting to this register.
The microcomputer is reset when this bit
is set to “1”. When read, its content is “0”.
RW
—
(b7-b4)
PM03
Softw are Reset Bit
Nothing is assigned. When write, set to “0”.
When read, its content is “0”.
Comentarios a estos manuales