SH7721 datasheet(69/1524 Pages) RENESAS

69 / 1524 page

Section 1

Overview

Rev. 3.00

Jan. 18, 2008

Page 7 of 1458

REJ09B0033-0300

Item

Features

SIM card

interface (SIM)

• Single channel ready for ISO7816-3 data protocol (T = 0, T = 1)

• Asynchronous half-duplex character transmission protocol

• Data length of 8 bits

• Generates and checks a parity bit

• Number of output clocks per 1 etu selectable

• Direct convention/inverse convention selectable

• Internal prescaler for Pφ

• Clock polarity changeable at idle time (low or high)

• With interrupt request and DMAC request

MultiMedia Card

interface

(MMCIF)

• Complies with The MultiMedia Card System Specification Version 3.1

• Supports MMC mode

• 16.5-Mbps bit rate (max) for the card interface (Pφ = 33 MHz)

• Incorporates sixty-four 16-bit data-transfer FIFOs

• Interrupt and DMA request

• Module standby function

SD host interface

(SDHI)

Note: Only for

models with the

SDHI

• Supports SDHC (SD High Capacity) and SDIO

 Supports Part 1 Physical Layer Ver.1.01 to 2.0 of SD Specification, but

not supported for High-Speed

 Supports Part E1 SDIO Ver. 1.00 to 2.00 of SD Specification

• SD memory/IO card interface (1 bit/4 bits SD bus)

• SD clock frequency ≤ 1/2 peripheral clock frequency

• Error check function: CRC7 (command/response), CRC16 (data)

• MMC (MultiMedia Card) access

• Interrupt request and DAMC transfer request (SD_BUF read/write)

• Card detection function

• Write protect

SSL accelerator

(SSL)

Note: SH7720

group only

• RSA encryption

• Supported operations: addition, subtraction, multiplication, power operation

• DES and Triple-DES encryption/decryption

SH7721 Datasheet(PDF) 69 Page - Renesas Technology Corp

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