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參數(shù)資料
| 型號： | AT43USB325E-AU |
| 廠商： | ATMEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Multimedia USB Keyboard Controller with Embedded Hub |
| 中文描述： | 8-BIT, 12 MHz, RISC MICROCONTROLLER, PQFP64 |
| 封裝： | 1.40 MM HEIGHT, GREEN, PLASTIC, MS-026ACB, LQFP-64 |
| 文件頁數(shù)： | 32/109頁 |
| 文件大小： | 643K |
| 代理商： | AT43USB325E-AU |
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32
3355C–USB–4/05
AT43USB325
4.13
USB Endpoint Interrupt Sources
An assertion or activation of one or more bits in the endpoint's Control and Status Register trig-
gers the endpoint interrupts. These triggers are different for control and non-control endpoints as
described in the table below. Please refer to the Control and Status Register for more
information.
4.13.1
USB Interrupt Status Register – UISR
Bit 7 – SOF INT: Start of Frame Interrupt
This bit is asserted after the USB hardware receives a valid SOF packet.
Bit 6 – EOF2 INT: EOF2 Interrupt
This bit is asserted 10 clocks before the expected start of a frame.
Bit 5 – Res: Reserved Bit
This bit is reserved and always reads as zero.
Bit 4 – FEP3 INT: Function End-point 3 Interrupt
Bit 3 – HEP0 INT: Hub Endpoint 0 Interrupt
Bit 2 – FEP2 INT: Function Endpoint 2 Interrupt
Bit 1 – FEP1 INT: Function Endpoint 1 Interrupt
Bit 0 – FEP0 INT: Function Endpoint 0 Interrupt
The hub and function interrupt bits will be set by the hardware whenever the following bits in the
corresponding endpoint's Control and Status Register are modified by the USB hardware:
1.
2.
3.
4.
RX OUT Packet is set (control and OUT endpoints)
TX Packet Ready is cleared AND TX Complete is set (control and IN endpoints)
RX SETUP is set (control endpoints only)
TX Complete is set
Table 4-4.
USB Endpoint Interrupt Sources
Bit
Endpoint type
RX_OUT_PACKET
CONTROL, OUT
TX_COMPLETE
CONTROL, IN
STALL_SENT
CONTROL, IN
RX_SETUP
CONTROL
Bit
7
6
5
4
3
2
1
0
$1FF7
SOF INT
EOF2 INT
–
FE3 INT
HEP0 INT
FE2 INT
FE1 INT
FE0 INT
UISR
Read/Write
R
R
R
R
R
R
R
R
Initial Value
0
0
0
0
0
0
0
0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT43USB326 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Missed Watchdog Timer Reset |
| AT43USB326_06 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Multimedia USB Keyboard Controller with Embedded Hub |
| AT43USB326-AC | 功能描述:USB 接口集成電路 USB KEYBOARD F/LOGI- TECH - COM TEMP RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| AT43USB326-AU | 功能描述:USB 接口集成電路 USB KEYBOARD FOR LOGITECH - IND TEMP RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| AT43USB351M | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Missed Watchdog Timer Reset |
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