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參數資料
型號: W81E381
廠商: WINBOND ELECTRONICS CORP
英文描述: FULL SPEED USB INTEGRATED MICROCONTROLLER
中文描述: 全速USB集成微控制器
文件頁數: 20/63頁
文件大小: 695K
代理商: W81E381
W81E381D/W81E381AD
Publication Release Date: January 2002
- 20 - Revision 0.52
4.5.4
Register Descriptions - USB Interrupt System SFRs (B1)
IEN1
Address: S:B1H
System Reset State: 0XXX 0X0XH
USB Reset with PCON1.URDIS=1: –XXX –X--XH
USB Interrupt Enable Register: Contains the enable bits for the USB interrupts.
7
6
5
4
3
2
1
0
EA
-
-
-
EFSR
-
EF
-
Bit
Number
Bit
Mnemonic
Function
7
EA
Global Interrupt Enable:
Setting this bit enables the interrupts that are individually enabled by bit3
& bit1 of this register. Clearing this bit disables all interrupts.
Note: This bit doesn't be reset when a USB reset occurs if
FPCON.URDIS=1.
6
-
Reserved:
5
4
-
-
Reserved:
Reserved:
3
EFSR
Enable Function Suspend/Resume:
Function suspend/resume interrupt enable bit.
Note This bit doesn’t be reset when a USB reset occurs if
FPCON.URDIS=1.
2
-
Reserved:
The value read from this bit is indeterminate. Write zero to this bit.
1
EF
Enable Function:
Transmit/receive done interrupt enable bit for non-isochronous USB
function endpoints.
Note: This bit doesn't be reset when a USB reset occurs if
FPCON.URDIS=1.
0
-
Reserved:
The value read from this bit is indeterminate. Write zero to this bit.
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