SH7261 datasheet(41/1348 Pages) RENESAS

41 / 1348 page

Section 1 Overview

Rev. 2.00 Sep. 07, 2007 Page 9 of 1312

REJ09B0320-0200

Item

Features

CD-ROM decoder

(ROM-DEC)

• Support of five formats: mode 0, mode 1, mode 2, mode 2 form 1, and

mode 2 form 2

• Sync codes detection and protection

 Protection: When a sync code is not detected, it is automatically

inserted

• Descrambling

• ECC

 P, Q, PQ, and QP correction

 PQ or QP correction can be repeated up to three times

• EDC

Performed before and after ECC

• Mode and form are automatically detected

• Link sectors are automatically detected

• Buffering data control

Buffering CD-ROM data including SYNC code in specified format, after

the data is descrambled, corrected by ECC and checked by EDC.

I/O ports

• 109 I/Os and 14 inputs

• Input or output can be selected for each bit

A/D converter (ADC)

• 10-bit resolution

• Eight input channels

• A/D conversion request by the external trigger or timer trigger

D/A converter (DAC)

• 8-bit resolution

• Two output channels

User break controller

(UBC)

• Two break channels

• Addresses, data values, type of access, and data size can all be set

as break conditions

User debugging

interface (H-UDI)

• E10A emulator support

• JTAG-standard pin assignment

Advanced user

debugger II (AUD-II)

• Eight I/O pins

• Functions to read/write modules connected to internal/external buses

(except cache and H-UDI) in RAM monitor mode

On-chip RAM

• 32-Kbyte memory

Power supply voltage

• PVcc, VccR, and PLLVcc: 3.0 to 3.6 V

Packages

• LQFP2424-176Cu (0.5 pitch)

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