參數(shù)資料
型號(hào)： AT43USB355E-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, 12 MHz, RISC MICROCONTROLLER, PQFP64
封裝： 1.40 MM, GREEN, PLASTIC, MS-026ACB, LQFP-64
文件頁數(shù)： 77/115頁
文件大小： 610K
代理商： AT43USB355E-AU
77
AT43USB355
2603G–USB–04/06
No-data Status
Response State
The Function Interface Unit receives an IN token from the Host. The FIU responds with a zero
length DATA1 packet until receiving an ACK from the host, then asserts a TX_COMPLETE
interrupt.
Control Read Data
Response State
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.
Hardware
Firmware
1.
IN token from Host
2.
Send DATA1(0)
3.
ACK from Host
Set TX COMPLETE
→
INT
4.
5.
Read UISR
6.
Read CSR0
7.
If SET ADDRESS, program the new
Address, set ADD_EN bit
Clear TX_COMPLETE, clear Data
End, set Force STALL in CAR0
Set UIAR[EP0 INTACK]
8.
9.
Hardware
Firmware
1.
IN token from Host
2.
a. If TX Packet Ready = 1, send
DATA0/DATA1
b. If TX Packet Ready = 0, send NAK
ACK from Host
3.
4.
Clear TX Packet Ready
Set TX Complete
→
INT
5.
Read UISR
6.
Read CSR0
7.
Clear TX COMPLETE in CAR0:
a. If more data: fill FIFO, set TX
Packet Ready, set DIR in CAR0
b. If no more data: set Force STALL,
set DATA END in CAR0
Set UIAR[EP0 INTACK] to clear
interrupt source
8.
Repeat steps 1 through 8
相關(guān)PDF資料
PDF描述
AT43USB355M-AC Full-speed USB Microcontroller with Embedded Hub, ADC and PWM
AT43USB355M-AU Full-speed USB Microcontroller with Embedded Hub, ADC and PWM
AT43USB380 On-The-Go Upgrade of the AT43USB370 USB 2.0 Full-Speed Host/Function Processor
AT45BR3214B 32-MEGABIT DATAFLASH + 4-MEGABIT SRAM STACK MEMORY
AT45BR3214B-C1 32-MEGABIT DATAFLASH + 4-MEGABIT SRAM STACK MEMORY
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AT43USB355M-AC 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Full-speed USB Microcontroller with Embedded Hub, ADC and PWM
AT43USB355M-AU 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Full-speed USB Microcontroller with Embedded Hub, ADC and PWM
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
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