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Section 1 Overview
Page 8 of 2108 R01UH0134EJ0400 Rev. 4.00
Sep 24, 2014
SH7262 Group, SH7264 Group
Items Specification
CD-ROM decoder 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 correction
P, Q, PQ, and QP correction
PQ or QP correction can be repeated up to three times
EDC check
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 is transferred in specified
format, after the data is descrambled, corrected by ECC, and checked
by EDC.
NAND flash memory
controller
Direct-connected memory interface with NAND-type flash memory
Read/write in sectors
Two types of transfer modes: Command access mode and sector
access mode (512-byte data + 16-byte management code: with ECC)
Interrupt request and DMA transfer request
Supports flash memory requiring 5-byte addresses (2 Gbits and more)
USB 2.0 host/function
module
Conforms to the Universal Serial Bus Specification Revision 2.0
480-Mbps, 12-Mbps, and 1.5-Mbps transfer rates provided (host
mode)
480-Mbps and 12-Mbps transfer rates provided (function mode)
On-chip 8-Kbyte RAM as communication buffers