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AT43USB353M-AC датащи(PDF) 29 Page - ATMEL Corporation

номер детали AT43USB353M-AC
подробное описание детали  Low Cost Full-speed USB Microcontroller with Embedded Hub, ADC and PWM
PDF  95 Pages
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производитель  ATMEL [ATMEL Corporation]
домашняя страница  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT43USB353M-AC датащи(HTML) 29 Page - ATMEL Corporation

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AT43USB353M
3307B–USB–4/04
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 – Res: Reserved bit
This bit is reserved and is always read as zero.
• Bit 4 – FEP3 INTACK: Function End-point 3 Interrupt Acknowledge
The microcontroller firmware writes a 1 to this bit to clear the FEP3 INT bit.
• Bit 3 – HEP0 INTACK: Hub End-point 0 Interrupt Acknowledge
The microcontroller firmware writes a 1 to this bit to clear the HEP0 INT bit.
• Bit 2 – FEP2 INTACK: Function End-point 2 Interrupt Acknowledge
The microcontroller firmware writes a 1 to this bit to clear the FEP2 bit.
• Bit 1 – FEP1 INTACK: Function End-point 1 Interrupt Acknowledge
The microcontroller firmware writes a 1 to this bit to clear the FEP1 bit.
• Bit 0 – FEP0 INTACK: Function End-point 0 Interrupt Acknowledge
The microcontroller firmware writes a 1 to this bit to clear the FEP0 INT bit.
Bit
7
654
3
2
1
0
$1FF5
SOF INTACK
EOF2 INTACK
–
FEP3 INTACK
HEP0 INTACK
FEP2 IMSK
FEP1 INTACK
FEP0 INTACK
UIAR
Read/Write
W
W
R
W
W
W
W
W
Initial Value
0
0
0
0
0
0
0
0



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