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| 型号： | M66291GP |
| 元件分类： | 总线控制器 |
| 英文描述： | UNIVERSAL SERIAL BUS CONTROLLER, PQFP48 |
| 封装： | 7 X 7 MM, 0.50 MM PITCH, PLASTIC, LQFP-48 |
| 文件页数： | 62/128页 |
| 文件大小： | 928K |
| 代理商： | M66291GP |
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M66291GP/HP
Rev 1.01 2004.11.01 page 37 of 122
2.15 Interrupt Status Register 3
Interrupt Status Register 3 (INT_STATUS3)
<Address : H’1E>
b15
14
13
12
11
10
9876
54321
b0
EPB_EMP_OVR
0
00
-
<H/W reset : H'0000>
<S/W reset : H'0000>
<USB bus reset : ->
b
Bit name
Function
R
W
15~7
Reserved. Set it to “0”.
00
6~0
EPB_EMP_OVR
Buffer Empty/Size Over Interrupt
Read
0 :
No occurrence of interrupt
1 :
Occurrence of interrupt
Write
0 :
Clear interrupt
1 :
Invalid (Ignored when written)
b6 corresponds to EP6, ---b1 corresponds to EP1 and b0
corresponds to EP0.
(1) EPB_EMP_OVR (Buffer Empty/Size Over Interrupt) Bits (b6~b0)
These bits indicate that the received data size exceeds the maximum packet size or that the buffers of the
endpoints 0 to 6 are empty.
Endpoint 0
When set to control write transfer (ISEL bit = “0”)
The condition for this bit to be set to “1” is as follows:
Receives packet data with size exceeding the one set by the EP0 Packet Size Register
(Size-over detection).
In this case, the EP0_PID bits are set to STALL response.
Further the CTRT bit sets to “1” if the SERR bit is set to “1”.
This bit is set to “1” when size-over is detected, irrespective of the EP0_PID bit setting.
When set to control read transfer (ISEL bit = “1”)
The condition for this bit to be set to “1” is as follows:
When the IVAL bit of the EP0_FIFO Control Register changes from “1” to “0”.
When transmit data exist in the buffer for EP0_FIFO and “1” is written to the BCLR bit.
Endpoint 1~6
When set to OUT buffer (EPi_DIR bit = “0”)
The condition for this bit to be set to “1” is as follows:
Receives packet data with size exceeding the one set by the EPi_MXPS bits
(Size-over detection).
The EPi_PID bits are set to STALL response.
This bit isn’t set to “1” at isochronous transfer.
This bit is set to “1” when size-over is detected, irrespective of the EP0_PID bit setting.
When set to IN buffer (EPi_DIR bit = “1”)
The condition for this bit to be set to “1” is as follows:
When the data of SIE side buffer are all transmitted with the data not written to the CPU
side buffer (Buffer empty).
The conditions for this bit to be cleared to “0” in all bits are as follows:
Writes “0” to this bit.
Note:
Refer to “3.2 FIFO Buffer” for CPU/SIE side.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 类别:集成电路 (IC) >> 接口 - 控制器 系列:- 标准包装:4,900 系列:- 控制器类型:USB 2.0 控制器 接口:串行 电源电压:3 V ~ 3.6 V 电流 - 电源:135mA 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:36-VFQFN 裸露焊盘 供应商设备封装:36-QFN（6x6） 包装:* 其它名称:Q6396337A |
| M66291GPRB0S | 制造商:Renesas Electronics Corporation 功能描述:USB2.0 Device Controller,LQFP48 |
| M66291HP | 制造商:RENESAS 制造商全称: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 类别:集成电路 (IC) >> 接口 - 控制器 系列:- 标准包装:4,900 系列:- 控制器类型:USB 2.0 控制器 接口:串行 电源电压:3 V ~ 3.6 V 电流 - 电源:135mA 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:36-VFQFN 裸露焊盘 供应商设备封装:36-QFN（6x6） 包装:* 其它名称:Q6396337A |
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