HD64F2149YV datasheet(54/1075 Pages) RENESAS

54 / 1075 page

Section 1 Overview

Rev. 3.00 Jan 18, 2006 page 26 of 1044

REJ09B0280-0300

Pin No.

Type

Symbol

FP-100B,

TFP-100B TFP-144 I/O

Name and Function

IrTxD

136

Output

SCI with

IrDA

(SCI2)

IrRxD

137

Input

IrDA transmit data/receive data: Input

and output pins for data encoded for IrDA

use.

PS2AC

PS2BC

PS2CC

Input/

Ouput

PS2 clock: Keyboard buffer controller

synchronization clock input/output pins.

Keyboard

buffer

controller

(PS2)

PS2AD

PS2BD

PS2CD

Input/

Ouput

PS2 data: Keyboard buffer controller data

input/output pins.

HDB7–

HDB0

89–82

128–121 Input/

Ouput

Host interface data bus: Bidirectional 8-

bit bus for accessing the host interface

(XBS).

Host

interface

(HIF:XBS)

CS1, CS2

ECS2,

CS3, CS4

18, 94,

25, 81, 80

19, 130,

24, 118,

117

Input

Chip select 1 to 4: Input pins for selecting

host interface (XBS) channel 1 to 4.

IOR

Input

I/O read: Input pin that enables reading

from the host interface (XBS).

IOW

Input

I/O write: Input pin that enables writing to

the host interface (XBS).

HA0

129

Input

Command/data: Input pin that indicates

whether an access is a data access or

command access.

GA20

130

Output

GATE A20: A20 gate control signal output

pin.

HIRQ11

HIRQ1

HIRQ12

HIRQ3

HIRQ4

120

119

Output

Host interrupt 11, 1, 12, 3, 4: Output pins

for interrupt requests to the host.

HIFSD

131

Input

Host interface shutdown: Control input

pin used to place host interface (XBS)

input/output pins in the high-impedance /

cutoff state.

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