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參數資料
型號: W81E381D
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: FULL SPEED USB INTEGRATED MICROCONTROLLER
中文描述: FLASH, 12 MHz, MICROCONTROLLER, PQFP48
封裝: 7 X 7 MM, 1.40 MM HEIGHT, LQFP-48
文件頁數: 42/63頁
文件大小: 695K
代理商: W81E381D
W81E381D/W81E381AD
Publication Release Date: January 2002
- 42 - Revision 0.52
4.5.18 Register Descriptions - USB Device SFRs (B7)
DCON
Address: S:B7H
Reset State: 0000 0000H
Device Control Register. This register contains bits for USB Device connection pull-up enable.
7
6
5
4
3
2
1
0
TEST_MODE
SCGPIOSL
SCIOGPE
SCIOGPD
SCCLKGPE
SCCLKGPD
PTRWUEN
CONPUEN
Bit
Number
7
Bit
Mnemonic
-
Function
TEST_MODE enable:
Used for test only. In normal operation, this bit should be set to zero.
Mode select between normal Smart Card and GPIO pad
0: Smart Card
1: GPIO pad
Output enable
0: Enable
1: Disable
Smart Card I/O (SCIO) data, when SCIOGPE enable.
Output enable
0: Enable
1: Disable
Smart Card Clock (SCCLK) data, when SCCLKGPE enable.
6
SCGPIOSL
5
SCIOGPE
4
3
SCIOGPD
SCCLKGPE
2
SCCLKGPD
1
PTRWUEN
Path through remote wake-up enable:
“1” is enable. If set to zero and remote wake up event occurs in suspend
state, device will drive wake up signal to Host after setting the FRWU bit in
FPCON register. Otherwise, device will drive wake up signal to Host
directly.
Device/USP Connection Pull-Up Enable:
This bit is used by FW to control whether device is connected to upper
host/hub via enable/disable the on-chip pull-up resistor. Set ‘1’ to enable
the D+ pull-up resistor; set ‘0’ to disable the D+ pull-up resistor that is
D+/D- is kept disconnected state. Default is cleared to ‘0’ after POR, FW
should set ‘1’ to enable connection to upper host/hub.
0
CONPUEN
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