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參數(shù)資料
| 型號： | W712 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | Universal Serial Bus (USB) Device Controller(通用串行總線控制器) |
| 中文描述： | 通用串行總線（USB）設(shè)備控制器（通用串行總線控制器） |
| 文件頁數(shù)： | 6/17頁 |
| 文件大小： | 205K |
| 代理商： | W712 |
I
W712 USB Device Controller
I
–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
4
Oki Semiconductor
SIGNAL DESCRIPTIONS
USB Interface
Signal
Type
Assertion
Description
usb_dpin
Input
—
USB Data Plus In.
from the USB transceiver. The table below shows values and results for these signals.
This input and the usb_dmin input are the received single ended data
usb_dmin
Input
—
USB Data Minus In.
from the USB transceiver. See the table for the usb_dpin description, above, for values
and results of these signals.
This input and the usb_dpin input are the received single ended data
usb_dpout
Output
—
USB Data Plus Out
engine and drive the differential output buffers. The table below shows values and results
for these signals.
. This output and the usb_dmout signal come from the USB transmit
usb_dmout
Output
—
USB Data Minus Out.
engine and drive the differential output buffers. See the signal description for usb_dpout,
above, for a description of signal values and results.
This output and the usb_dpout signal come from the USB transmit
usb_rxd
Input
—
USB Differential Received Data.
connects to the W712 mega macrofunction.
This input comes from the USB differential receiver, and
usb_txenb
Output
LOW
USB 3-State Output Enable.
inverter gate. When the W712 mega macrofunction asserts this signal LOW, the transceiv-
er transmits data on the USB bus. See Appendix for the USB transceiver Data Sheets.
This signal connects to the transceiver EB input through an
usb_dpin
0
0
1
1
usb_dmin
0
1
0
1
Result
SE0
Logic “0”
Logic “1”
Undefined
usb_dpout
0
0
1
1
usb_dmout
0
1
0
1
Result
SE0
Logic “0”
Logic “1”
Undefined
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