HD64F36022 datasheet(123/384 Pages) RENESAS

Part #	HD64F36022

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

PDF	384 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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Section 9 I/O Ports

Rev. 4.00 Sep. 23, 2005 Page 97 of 354

REJ09B0025-0400

9.1.2

Port Control Register 1 (PCR1)

PCR1 selects inputs/outputs in bit units for pins to be used as general I/O ports of port 1.

Bit

Bit Name

Initial

Value

R/W

Description

PCR17

PCR16

PCR15

PCR14



PCR12

PCR11

PCR10



When the corresponding pin is designated in PMR1 as a

general I/O pin, setting a PCR1 bit to 1 makes the

corresponding pin an output port, while clearing the bit to

0 makes the pin an input port.

Bit 3 is a reserved bit.

9.1.3

Port Data Register 1 (PDR1)

PDR1 is a general I/O port data register of port 1.

Bit

Bit Name

Initial

Value

R/W

Description

P17

P16

P15

P14



P12

P11

P10

R/W



R/W

PDR1 stores output data for port 1 pins.

If PDR1 is read while PCR1 bits are set to 1, the value

stored in PDR1 are read. If PDR1 is read while PCR1 bits

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

value stored in PDR1.

Bit 3 is a reserved bit. This bit is always read as 1.

HD64F36022 Datasheet(PDF) 123 Page - Renesas Technology Corp

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