參數資料
型號: USB3450-FZG
廠商: STANDARD MICROSYSTEMS CORP
元件分類: 微控制器/微處理器
英文描述: HI-SPEED USB HOST OR DEVICE PHY WITH UTMI+INTERFACE
中文描述: SERIAL COMM CONTROLLER, QCC40
封裝: 6 X 6 MM, 0.90 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, MO-220, QFN-40
文件頁數: 9/40頁
文件大?。?/td> 1086K
代理商: USB3450-FZG
Hi-Speed USB Host or Device PHY With UTMI+ Interface
Datasheet
Chapter 2 Functional Overview
SMSC USB3450
9
Revision 0.1 (05-11-05)
DATASHEET
The USB3450 is a highly integrated USB transceiver system. It contains a complete Hi-Speed PHY
with the UTMI+ industry standard interface to support fast time to market for a USB controller. The
USB3450 is composed of the functional blocks shown in
Figure 2.1
below.
Figure 2.1 USB3450 Block Diagram
UTMI+
Digital
24 MHz
XTAL
Internal
Regulator &
POR
Bias
Gen.
XCVRSEL[1:0]
TERMSEL
TXREADY
SUSPENDN
TXVALID
RESET
RXACTIVE
OPMODE[1:0]
CLKOUT
LINESTATE[1:0]
HOSTDISC
DATA[7:0]
HOST
RXERROR
VDD3.3
XTAL &
PLL
X
VDD3.3
DP
DM
USB3450
V
V
m
X
RBIAS
Mini-AB
USB
Connector
HS XCVR
FS/LS
XCVR
Resistors
R
R
R
R
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