R5F211B2DSP datasheet(71/339 Pages) RENESAS

Part #	R5F211B2DSP

Description	RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER R8C FAMILY / R8C/1x SERIES

PDF	339 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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71 / 339 page

R8C/1A Group, R8C/1B Group

8. Processor Mode

Rev.1.30

Dec 08, 2006

Page 55 of 315

REJ09B0252-0130

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

NOTE :

b3 b2

—

b1 b0

—

(b2-b0)

b7 b6 b5 b4

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.

—

(b7-b4)

PM03

Softw are reset bit

Nothing is assigned. If necessary, set to 0.

When read, the content is 0.

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