H838532H datasheet(32/508 Pages) RENESAS

32 / 508 page

Section 1 Overview

Rev. 1.00 May 30, 2008 Page 12 of 484

REJ09B0436-0100

Pin No.

Type

Symbol

FP-80A, TFP-80C I/O

Name and Functions

PB7 to PB0 1, 80 to 74

Input

Port B: This is an 8-bit input port.

P43

Input

Port 4 (bit 3): This is a 1-bit input port.

P42 to P40 71 to 69

I/O

Port 4 (bits 2 to 0): This is a 3-bit I/O port.

Input or output can be designated for each

bit by means of port control register 4

(PCR4).

PA3 to PA0 33 to 36

I/O

Port A: This is a 4-bit I/O port. Input or

output can be designated for each bit by

means of port control register A (PCRA).

P17 to P10 17 to 10

I/O

Port 1: This is an 8-bit I/O port. Input or

output can be designated for each bit by

means of port control register 1 (PCR1).

P37 to P30 25 to 18

I/O

Port 3: This is an 8-bit I/O port. Input or

output can be designated for each bit by

means of port control register 3 (PCR3).

When the on-chip emulator is used, pin

P32 is reserved for use exclusively by the

emulator and therefore cannot be

accessed by the user. With the flash

memory version, pull up pin P32 to high

level to cancel a reset in the in the user

mode.

P57 to P50 44 to 37

I/O

Port 5: This is an 8-bit I/O port. Input or

output can be designated for each bit by

means of port control register 5 (PCR5).

P67 to P60 52 to 45

I/O

Port 6: This is an 8-bit I/O port. Input or

output can be designated for each bit by

means of port control register 6 (PCR6).

P77 to P70 60 to 53

I/O

Port 7: This is an 8-bit I/O port. Input or

output can be designated for each bit by

means of port control register 7 (PCR7).

I/O ports

P87 to P80 68 to 61

I/O

Port 8: This is an 8-bit I/O port. Input or

output can be designated for each bit by

means of port control register 8 (PCR8).

When the on-chip emulator is used, pins

P85, P86, and P87 are reserved for use

exclusively by the emulator and therefore

cannot be accessed by the user.

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