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參數(shù)資料
| 型號(hào)： | 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(shù)： | 24/63頁 |
| 文件大小： | 695K |
| 代理商： | W81E381D |
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W81E381D/W81E381AD
Publication Release Date: January 2002
- 24 - Revision 0.52
4.5.7
Register Descriptions - USB Function SFRs (8F)
FADDR
Address: S:8FH
Reset State: 0000 0000H
Function Address Register. This SFR holds the address for the USB function. During bus
enumeration, it is written with a unique value assigned by the host.
7
6
5
4
3
2
1
0
-
A6
A5
A4
A3
A2
A1
A0
Bit
Number
7
Bit
Mnemonic
-
Function
Reserved:
The value read from this bit is indeterminate. Write zero to this bit.
Programmable Function Address Bit 6:
This register is programmed through the commands received via
endpoint 0 on configuration, which should be the only time the firmware
should change the value of this register. This register is hardware read-
only.
Programmable Function Address Bit 5:
This register is programmed through the commands received via
endpoint 0 on configuration, which should be the only time the firmware
should change the value of this register. This register is hardware read-
only.
Programmable Function Address Bit 4:
This register is programmed through the commands received via
endpoint 0 on configuration, which should be the only time the firmware
should change the value of this register. This register is hardware read-
only.
Programmable Function Address Bit 3:
This register is programmed through the commands received via
endpoint 0 on configuration, which should be the only time the firmware
should change the value of this register. This register is hardware read-
only.
6
A6
5
A5
4
A4
3
A3
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