參數(shù)資料
型號： AT43USB355M-AU
廠商： ATMEL CORP
元件分類： 微控制器/微處理器
英文描述： Full-speed USB Microcontroller with Embedded Hub, ADC and PWM
中文描述： 8-BIT, MROM, 12 MHz, RISC MICROCONTROLLER, PQFP64
封裝： 1.40 MM, GREEN, PLASTIC, MS-026ACB, LQFP-64
文件頁數(shù)： 80/115頁
文件大?。?/td> 610K
代理商： AT43USB355M-AU
80
AT43USB355
2603G–USB–04/06
Interrupt/Bulk IN
Transfers at Function
End-point
The firmware must first condition the end-point through the End-point Control Register, FEND-
P1/2/3_CNTR:
Set end-point direction: set EPDIR
Set interrupt or bulk: EPTYPE = 11 or 10
Enable end-point: set EPEN
The Function Interface Unit receives an IN token from the Host. The FIU responds with NAKs
until TX_PACKET_READY is set. The FIU then sends the data in the FIFO upstream, retrying
until it successfully receives an ACK from the host. Finally, the FIU clears the
TX_PACKET_READY bit and asserts a TX_COMPLETE interrupt.
1.
Read UISR
2.
Read FCSR1/2/3
3.
Clear TX_COMPLETE
If more data: fill FIFO, set TX Packet Ready
Wait for TX_COMPLETE interrupt
If no more data: set DATA END in FCAR1/2/3
4.
Set UIAR[FEP1/2/3 INTACK] to clear the interrupt source
Interrupt/Bulk OUT
Transfers at Function
End-point EP1, 2 and 3
The firmware must first condition the end-point through the End-point Control Register, FEND-
P1/2/3_CNTR:
Set end-point direction: clear EPDIR
Set interrupt or bulk: EPTYPE = 11 or 10
Enable end-point: set EPEN
The Function Interface Unit receives an OUT token from the Host with a DATA packet. The
FIU places the incoming data into the FIFO, issues an ACK to the host, and asserts an
RX_OUT interrupt.
1.
Read UISR
2.
Read FCSR1/2/3
3.
Read FIFO
4.
Clear RX_OUT
If more data:
Wait for RX_OUT interrupt
If no more data: set DATA END
5.
Set UIAR[FEP1/2/3 INTACK] to clear the interrupt source
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AT43USB370 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:USB 2.0 Full-Speed Host/Function Processor
AT43USB370E-AC 功能描述:USB 接口集成電路 USB HOST DEVICE CONTROL - 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
AT43USB380 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:On-The-Go Upgrade of the AT43USB370 USB 2.0 Full-Speed Host/Function Processor
AT43USB380E-AC 功能描述:USB 接口集成電路 USB OTG/HOST/FUNC DEVICE CNTRL 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
AT43USB380E-AI 功能描述:USB 接口集成電路 USB OTG/HOST/FUNC DEVICE CNTRL 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
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