HD64F36034 datasheet(168/592 Pages) RENESAS

Part #	HD64F36034

Description	Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series

PDF	592 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

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Section 9 I/O Ports

Rev. 4.00 Mar. 15, 2006 Page 136 of 556

REJ09B0026-0400

9.6.2

Port Data Register 8 (PDR8)

PDR8 is a general I/O port data register of port 8.

Bit

Bit Name

Initial

Value

R/W

Description

P87

P86

P85

R/W

PDR8 stores output data for port 8 pins.

If PDR8 is read while PCR8 bits are set to 1, the value

stored in PDR8 is read. If PDR8 is read while PCR8 bits

are cleared to 0, the pin states are read regardless of the

value stored in PDR8.

4 to 0



All 1



Reserved

These bits are always read as 1.

9.6.3

Pin Functions

The correspondence between the register specification and the port functions is shown below.

• P87 pin

PCR8

Bit Name

PCR87

Pin Function

Setting Value

P87 input pin

P87 output pin

• P86 pin

PCR8

Bit Name

PCR86

Pin Function

Setting Value

P86 input pin

P86 output pin

• P85 pin

PCR8

Bit Name

PCR85

Pin Function

Setting Value

P85 input pin

P85 output pin

HD64F36034 Datasheet(PDF) 168 Page - Renesas Technology Corp

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