參數(shù)資料
型號(hào)： 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)： 76/115頁
文件大小： 610K
代理商： AT43USB355M-AU
76
AT43USB355
2603G–USB–04/06
The following information describes how the AT43USB355’s USB hardware and firmware
operates during a control transfer between the host and the hub’s or function’s control end-
point.
Idle State
This is the default state from power-up.
Setup Response State
The Function Interface Unit (FIU) receives a SETUP token with 8 bytes of data from the Host.
The FIU stores the data in the FIFO, sends an ACK back to the host and asserts an
RX_SETUP interrupt.
Legend:
DATA1/DATA0 = Data packet with DATA1 or DATA2 PID
DATA1(0) = Zero length DATA1 packet
Hardware
Firmware
1.
SETUP token, DATA from Host
2.
ACK to Host
3.
Store data in FIFO
Set RX SETUP
→
INT
4.
5.
Read UISR
6.
Read CSR0
7.
Read Byte Count
8.
Read FIFO
9.
Parse command data
10. Write to H/FCAR0:
a. If Control Read: set DIR, clear RX
SETUP, fill FIFO, set TX Packet
Ready in CAR0
b. If Control Write: clear DIR in CAR0
c. If no Data Stage: set Data End, clear
DIR, set Force STALL in CAR0
11. Set UIAR[EP0 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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