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BLOCK DIAGRAM
GENERAL DESCRIPTION
FEATURES
CS8812
USB-2.0 PHY
USA:
4020 Moorpark Ave. #115
San Jose, CA, 95117, U.S.A.
Tel:1-408-2438388 Fax:1-408-2433188
Sales@myson.com.tw
www.myson.com.tw
Rev.0.92 July 2003
page 1 of 1
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
Complies with Universal Serial Bus Specification
Rev. 2.0
Integrated Phase-Locked Loop (PLL) oscillator
using 12MHz crystal
Internal power-on reset
Integrated bit stuffing/unstuffing and stuff error
detection
Single parallel data clock output
Non-Return-to-Zero Inverted (NRZI) encoding/
decoding
Ability to switch between FS and HS terminations/
signaling
Data and clock recovery from serial stream on the
USB
Utilizes 16-/8-bit parallel interface to transmit and
receive USB 2.0 cable data
64-pin LQFP package
The CS8812 is a full-function transceiver designed
to provide a USB 2.0 analog front-end. This USB 2.0
transceiver supports USB 2.0 Transceiver Macrocell
Interface (UTMI).
NRZI
Encoder
Encoder
Elasticity
Buffer
DP
DM
HS_RCV
FS_RCV
HS
NRZI
RX_SM
and
Bit unstuffer
DLL
FS
DLL
Elasticity
Elasticity
Buffer
Decoder
NRZI
NRZI
Decoder
RX_SM
and
Bit unstuffer
M
X
External
Crystal
Clock
Multiplier
CLK
HS_TX
FS_TX
TX_SM
and
Bit stuffer
TX_SM
and
Bit stuffer
parallel
Bi-
Directional
Data Bus
DIO
to
serial
NRZI
parallel
to
serial
HS/FS
RCV
HS/FS
DRV
DE
M
U
X
U
CGM
REF
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