參數(shù)資料
型號(hào): USS-344
英文描述: USS-344 QuadraBus Four-Host PCI-to-USB OpenHCL Host Controller
中文描述: 號(hào),344 QuadraBus四主機(jī)的PCI到USB主機(jī)控制器OpenHCL
文件頁數(shù): 41/54頁
文件大小: 850K
代理商: USS-344
Agere Systems Inc.
41
Advance Data Sheet, Rev. 9
June 2001
Four-Host PCI-to-USB OpenHCI Host Controller
USS-344
QuadraBus
Legacy Configuration
(continued)
5-8740
Figure 7. Typical Connection When Not Using Legacy Support
Power Connection Recommendations
The USS-344 is a 3.3 V device. Therefore, all V
DD
inputs must be connected to an appropriate 3.3 V source. V
DD
T
provides all transceiver power and must be connected to a 3.3 V source. It is recommended that the system
designer undertake special board routing and filtering of V
DD
T and V
SS
T to isolate these power inputs from noise
induced by other components.
5 Vdc-5 Vdc
SWITCHED
REGULATOR
5 Vdc-5 Vdc
SWITCHED
REGULATOR
5 Vdc-5 Vdc
SWITCHED
REGULATOR
5 Vdc-5 Vdc
SWITCHED
REGULATOR
USB
CONNECTOR
USB
CONNECTOR
USB
CONNECTOR
USB
CONNECTOR
AGERE USS-344
PCI-TO-USB
OHCI HOST CONTROLLER
5 Vdc
3.3 Vdc
S
A
I
I
A
K
M
48 MHz
OSC
CLK48
CLK48STOP
VBUS = 5 Vdc
DPLS0/DMNS0
VBUS = 5 Vdc
VBUS = 5 Vdc
VBUS = 5 Vdc
DPLS1/DMNS1
DPLS2/DMNS2
DPLS3/DMNS3
PWRFLT3N
PRTPWR3
PRTPWR2
PWRFLT2N
PRTPWR1
PWRFLT1N
PRTPWR0
PWRFLT0N
CPU
P
PCI VIO
PCI SIGNALS
32-bit, 33 MHz
PMEN
2
2
2
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