HD64F36024FX Datasheet, PDF(144/386 Page) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

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HD64F36024FX Datasheet, PDF (144/386 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

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Section 9 I/O Ports

9.6.1 Port Data Register B (PDRB)

PDRB is a general input-only port data register of port B.

Initial

Bit

Bit Name Value R/W Description

7 to 4 ï£§

ï£§

ï£§

Reserved

3

PB3

ï£§

R

The input value of each pin is read by reading this

2

PB2

ï£§

R

register.

1

PB1

ï£§

R

However, if a port B pin is designated as an analog input

channel by ADCSR in A/D converter, 0 is read.

0

PB0

ï£§

R

Rev. 4.00 Sep. 23, 2005 Page 116 of 354

REJ09B0025-0400

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