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參數(shù)資料
| 型號： | M66291GP |
| 元件分類： | 總線控制器 |
| 英文描述： | UNIVERSAL SERIAL BUS CONTROLLER, PQFP48 |
| 封裝： | 7 X 7 MM, 0.50 MM PITCH, PLASTIC, LQFP-48 |
| 文件頁數(shù)： | 117/128頁 |
| 文件大小： | 928K |
| 代理商： | M66291GP |
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M66291GP/HP
Rev 1.01 2004.11.01 page 87 of 122
3.3 USB Data Transfer Function Overview
The M66291 is capable of executing the USB transfer by processing the operations as follows:
(1) Response against the control transfer request
(2) Enable of transmitting after storing the transmit data to the buffer
Enable of receiving and reading the receive data from the buffer
(3) Stall processing
(4) Suspend/resume processing
3.3.1
Data Receive Function
The data receiving operation of the setup transaction and the OUT transaction differs as follows.
Setup transaction (control transfer setup stage)
The device request data received from the host (8 bytes) are stored to 4 different registers.
Here, ACK response is executed to the host and the control transfer stage transition interrupt has
occurred.
OUT transaction
In the data packet after receiving OUT token from the host, when the buffer receives the packet of
maximum size or the short packet, the ACK response is executed to the host and the buffer ready
interrupt has occurred (ready for reading the receive data).
When the buffer is not in the receive ready state, the buffer not ready interrupt has occurred.
3.3.2
Data Transmit Function
The data transmit is executed on receiving the request for data transmit by the IN token packet.
IN transaction
After the IN token is received from the host, the buffer data is transmitted. On completion of the buffer
data transmit, the buffer ready interrupt has occurred (ready for writing the transmit data).
When the buffer is not in transmit ready state, the buffer not ready interrupt has occurred.
3.3.3
Data Transfer Sequence
The data written to the FIFO Data Register are transmitted to the USB bus in the order of LSB first. The
same is true when the data received from the USB bus is stored to the FIFO Data Register.
1
16
b0
b1
b2
b3
b4
b5
b6
b7
b8
b9
b10
b11
b12
b13
b14
b15
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M66291GP#201 | 制造商:Renesas Electronics Corporation 功能描述:IC ASSP USB2.0 DEVICE CONTROLLER 48LQFP |
| M66291GP#RB0S | 功能描述:IC USB CONTROLLER GEN-PUR 48LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標準包裝:4,900 系列:- 控制器類型:USB 2.0 控制器 接口:串行 電源電壓:3 V ~ 3.6 V 電流 - 電源:135mA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:36-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:36-QFN（6x6） 包裝:* 其它名稱:Q6396337A |
| M66291GPRB0S | 制造商:Renesas Electronics Corporation 功能描述:USB2.0 Device Controller,LQFP48 |
| M66291HP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:ASSP (USB2.0 Device Controller) |
| M66291HP#200D | 功能描述:IC USB CONTROLLER GEN-PUR 52VQFN RoHS:否 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標準包裝:4,900 系列:- 控制器類型:USB 2.0 控制器 接口:串行 電源電壓:3 V ~ 3.6 V 電流 - 電源:135mA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:36-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:36-QFN（6x6） 包裝:* 其它名稱:Q6396337A |
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