H8SSLASH2224 datasheet(427/1071 Pages) RENESAS

Il numero della parte	H8S/2224

Spiegazioni elettronici	16-Bit Single-Chip Microcomputer H8S Family/H8S/2200 Series

PDF	1071 Pages

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Produttore elettronici	RENESAS [Renesas Technology Corp]

Homepage	http://www.renesas.com

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Section 10 I/O Ports

Rev. 5.00 Aug 08, 2006 page 341 of 982

REJ09B0054-0500

10.8.3

Port C Register (PORTC)

PORTC shows port C pin states. This register cannot be modified.

Bit

Bit Name

Initial Value

R/W

Description

7PC7

*

6PC6

*

5PC5

*

4PC4

*

3PC3

*

2PC2

*

1PC1

*

0PC0

*

If a port C read is performed while PCDDR bits are

set to 1, the PCDR values are read. If a port C read is

performed while PCDDR bits are cleared to 0, the pin

states are read.

Note:

* Determined by the states of pins PC7 to PC0.

10.8.4

Port C Pull-Up MOS Control Register (PCPCR)

PCPCR controls the input pull-up MOS specification as on or off for port C.

Bit

Bit Name

Initial Value

R/W

Description

PC7PCR

R/W

PC6PCR

R/W

PC5PCR

R/W

PC4PCR

R/W

PC3PCR

R/W

PC2PCR

R/W

PC1PCR

R/W

PC0PCR

R/W

When a pin is specified as an input port, setting the

corresponding bit to 1 turns on the input pull-up MOS

for that pin.

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