HD6432142 datasheet(48/1177 Pages) RENESAS

48 / 1177 page

Section 1 Overview

Rev. 4.00 Sep 27, 2006 page 4 of 1130

REJ09B0327-0400

Item

Specifications

14-bit PWM timer

(PWMX)

• Up to 2 outputs

• Resolution: 1/16384

• 312.5 kHz maximum carrier frequency (20-MHz operation)

Serial communication

interface

(SCI: 2 channels,

SCI0 and SCI1)

• Asynchronous mode or synchronous mode selectable

• Multiprocessor communication function

SCI with IrDA:

1 channel (SCI2)

• Asynchronous mode or synchronous mode selectable

• Multiprocessor communication function

• Compatible with IrDA specification version 1.0

• TxD and RxD encoding/decoding in IrDA format

Keyboard buffer

controller (PS2:

3 channels)

(H8S/2148 Group,

H8S/2147N)

• Compatible with PS/2 interface

• Direct manipulation of transmission output by software

• Receive data input to 8-bit shift register

• Data receive completed interrupt, parity error detection, stop bit

monitoring

Host interface (HIF)

(H8S/2148 Group,

H8S/2147N)

• 8-bit host interface (ISA) port

• Five host interrupt requests (HIRQ11, HIRQ1, HIRQ12, HIRQ3,

HIRQ4)

• Normal and fast A20 gate output

• Four register sets (each comprising two data registers and two status

registers)

Keyboard controller

• Matrix keyboard control using keyboard scan with wakeup interrupt and

sense port configuration

A/D converter

• Resolution: 10 bits

• Input:

 8 channels (dedicated analog pins)

 16 channels (same pins as keyboard sense port)

• High-speed conversion: 6.7 µs minimum conversion time (20-MHz

operation)

• Single or scan mode selectable

• Sample-and-hold function

• A/D conversion can be activated by external trigger or timer trigger

HD6432142 Datasheet(PDF) 48 Page - Renesas Technology Corp

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