HD6432351 datasheet(363/1025 Pages) RENESAS

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Section 9 I/O Ports

Rev. 3.00 Sep 15, 2006 page 329 of 988

REJ09B0330-0300

9.2

Port 1

9.2.1

Overview

Port 1 is an 8-bit I/O port. Port 1 pins also function as PPG output pins (PO15 to PO8), TPU I/O

pins (TCLKA, TCLKB, TCLKC, TCLKD, TIOCA0, TIOCB0, TIOCC0, TIOCD0, TIOCA1,

TIOCB1, TIOCA2, and TIOCB2), and DMAC output pins (

DACK0 and DACK1). Port 1 pin

functions are the same in all operating modes.

Figure 9.1 shows the port 1 pin configuration.

P17 (I/O)/PO15 (output)/TIOCB2 (I/O)/TCLKD (input)

P16 (I/O)/PO14 (output)/TIOCA2 (I/O)

P15 (I/O)/PO13 (output)/TIOCB1 (I/O)/TCLKC (input)

P14 (I/O)/PO12 (output)/TIOCA1 (I/O)

P13 (I/O)/PO11 (output)/TIOCD0 (I/O)/TCLKB (input)

P12 (I/O)/PO10 (output)/TIOCC0 (I/O)/TCLKA (input)

P11 (I/O)/PO9 (output)/TIOCB0 (I/O)/

DACK1 (output)

P10 (I/O)/PO8 (output)/TIOCA0 (I/O)/

DACK0 (output)

Port 1

Port 1 pins

Figure 9.1 Port 1 Pin Functions

9.2.2

Table 9.2 shows the port 1 register configuration.

Table 9.2

Port 1 Registers

Name

Abbreviation

R/W

Initial Value

Address*

Port 1 data direction register

P1DDR

H'00

H'FEB0

Port 1 data register

P1DR

R/W

H'00

H'FF60

Port 1 register

PORT1

Undefined

H'FF50

Note:

* Lower 16 bits of the address.

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