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| CS8818 General Purpose USB2.0-to-ATAPI Bridge Controller with Embedded PHY FEATURES * Fully compatible with USB specification 2.0 - Support full-speed (12M bits/sec) or high-speed (480M bits/sec) devices with multiple configurations and multiple interfaces - Support all USB standard commands, including suspend and resume detection logic - Support USB 2.0 TEST mode features * Supports 5 endpoints - All endpoints share one on-chip 4K bytes SRAM buffer and the size of each endpoint is configurable - Default control endpoints (EP0) with up to 64-byte buffer on either TX or RX direction - An interrupt OUT endpoint (EP1) and an interrupt IN endpoint (EP2) - A bulk OUT endpoint (EP3) and a bulk IN endpoint (EP4): up to 512 bytes data payload for full/high speed bulk endpoint - Unused endpoint can be disabled * Embedded USB 2.0 transceiver - Integrated bit stuffing/unstuffing and stuff error detection - NRZI (Non-Return-to-Zero Inverted) encoding/decoding * USB Mass Storage Class Bulk-Only Specification Compliant (Version 1.0) * Support Bus Powered and Self Powered modes * Support multiple LUNs * Automatic detection of Master or Slave ATAPI devices * Support true ATAPI compatible interface - Complies with ATAPI-7 Specification (PIO mode 0,3,4, Multiword DMA mode 0~2, UDMA mode 0~6) - 8-bit/16-bit Standard PIO mode interface - 16-bit Multiword DMA mode and UDMA mode interface (Ultra 133) * ATAPI bus can be shared with other devices * Embedded 8-bit microprocessor with on-chip 8K x 14 program ROM and optional external 16K x 14 program ROM/Flash memory * Flexible 32-bit I/O interfaces providing maximum versatility with ROM mask changeable firmware * Firmware to support ATAPI CD-ROM/CD-RW/DVD-ROM/DVD-RW is provided * 12MHz external clock input to provide better EMI * Low power with operation voltage 3.3V with 5V tolerance I/O pads * Available in 64-pin LQFP (10mm x 10mm) production package and 128-pin QFP (14mm x 20mm) development package GENERAL DESCRIPTION The CS8818 is a single chip USB (Universal Serial Bus) 2.0 Mass storage class peripheral controller intended for use with standard ATAPI devices. The device consists of a USB 2.0 PHY and SIE, FIFO buffers, embedded microprocessor with expanded external program ROM/Flash memory, and ATAPI compatible interface. The CS8818 uses 12MHz crystal to reduce the EMI issue. With flexible 32-bit I/O interface, the CS8818 can be programmed to fit different situations in the USB 2.0 high speed mass storage class applications such as CD-ROM, CD-RW, DVD-R and DVD-RW, etc. w w w .D at aS he et 4U .c om Myson Century, Inc. Taiwan: No. 2, Industry East Rd. III, Science-Based Industrial Park, Hsin-Chu, Taiwan Tel: 886-3-5784866 Fax: 886-3-5784349 USA: 4020 Moorpark Avenue, Suite 115 San Jose, CA, 95117 Tel: 408-243-8388 Fax: 408-243-3188 sales@myson.com.tw www.myson.com.tw Rev. 1.0 April 2003 page 1 of 41 www..com CS8818 BLOCK DIAGRAM DP USB UTMI 2.0 Logic XCVR DM HS/ FS-TX USB Control Manager SIE DIO Embedded Program ROM HS/ FS-RX Buffer Manager Microcontroller USB Packet Manager 32-bit I/O Interface To ATAPI UDMA REF CGM CLK Clock Multiplier 8KB SRAM External Crystal Input page 2 of 41 |
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