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AT43USB326 датащи(PDF) 31 Page - ATMEL Corporation

номер детали AT43USB326
подробное описание детали  Multimedia USB Keyboard Controller with Embedded Hub
PDF  102 Pages
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производитель  ATMEL [ATMEL Corporation]
домашняя страница  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT43USB326 датащи(HTML) 31 Page - ATMEL Corporation

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AT43USB326
3313D–USB–04/06
USB Interrupt Acknowledge Register – UIAR
• Bit 7 – SOF INTACK: Start of Frame Interrupt Acknowledge
The microcontroller firmware writes a 1 to this bit to clear the SOF INT bit.
• Bit 6 – EOF2 INTACK: EOF2 Interrupt Acknowledge
The microcontroller firmware writes a 1 to this bit to clear the EOF2 INT bit.
• Bit 5, 4 – Res: Reserved Bits
These bits are reserved and are always read as zero.
• Bit 3 – HEP0 INTACK: Hub Endpoint 0 Interrupt Acknowledge
The microcontroller firmware writes a 1 to this bit to clear the HEP0 INT bit.
• Bit 2 – FEP2 INTACK: Function Endpoint 2 Interrupt Acknowledge
The microcontroller firmware writes a 1 to this bit to clear the FEP2 bit.
• Bit 1 – FEP1 INTACK: Function Endpoint 1 Interrupt Acknowledge
The microcontroller firmware writes a 1 to this bit to clear the FEP1 bit.
• Bit 0 – FEP0 INTACK: Function Endpoint 0 Interrupt Acknowledge
The microcontroller firmware writes a 1 to this bit to clear the FEP0 INT bit.
Bit
7
6
5
4
3
2
1
0
$1FF5
SOF INTACK
EOF2 INTACK
–
–
HEP0 INTACK
FEP2 IMSK
FEP1 INTACK
FEP0 INTACK
UIAR
Read/Write
W
W
R
R
W
W
W
W
Initial Value
0
0
0
0
0
0
0
0



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