SH7721 datasheet(67/1524 Pages) RENESAS

67 / 1524 page

Section 1

Overview

Rev. 3.00

Jan. 18, 2008

Page 5 of 1458

REJ09B0033-0300

Item

Features

16-bit timer pulse

unit (TPU)

• Four-channel 16-bit timer

• PWM mode

• Four types of counter input clocks

• Phase counting mode (two channels)

Compare match

timer (CMT)

• Internal six-channel 32-bit counter (16-/32-bit switchable)

• Selectable prescaling for Pφ

• Internal full-channel compare match function

• With interrupt request and DMAC request

Realtime clock

(RTC)

• Built-in clock, calendar functions, and alarm functions

• On-chip 32-kHz crystal oscillator circuit with a maximum resolution (cycle

interrupt) of 1/256 second

Serial

communication

interface with

FIFO

(SCIF0, SCIF1)

• Includes a 64-byte FIFO for transmission and another for reception

• Supports high-speed UART for Bluetooth

• Internal prescaler for Pφ

• With interrupt request and DMAC request

Infrared data

association

module (IrDA)

• Conforms to the IrDA 1.0 system

• Asynchronous serial communication

• On-chip 64-stage FIFO buffers for transmission and reception

2C bus interface

(IIC)

• Supports multi master transmission/reception

Serial I/O with

FIFO

(SIOF0, SIOF1)

• Includes a 64-byte FIFO for transmission and another for reception

• Supports 8-/16-/16-bit stereo sound input/output

• Sampling rate clock input selectable from Pφ and external pin

• Includes a prescaler for Pφ

• Interrupt requests and DMAC requests

Analog front end

interface (AFEIF)

• STLC7550 can directly be connected

• Data access arrangement function

• 128-word transmit FIFO

• 128-word receive FIFO

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