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参数资料
| 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： | 72/128页 |
| 文件大小： | 928K |
| 代理商： | M66291GP |
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M66291GP/HP
Rev 1.01 2004.11.01 page 46 of 122
2.23 EP0_FIFO Select Register
EP0_FIFO Select Register (EP0_FIFO_SELECT)
<Address : H’30>
b15
14
13
12
11
10
9876
54321
b0
RCNT
Octl
BSWP
ISEL
0
00
0
00
0
00
-
--
-
--
-
--
-
<H/W reset : H'0000>
<S/W reset : ->
<USB bus reset : ->
b
Bit name
Function
R
W
15
RCNT
Read Count Mode
0:
The ODLN bits are cleared by reading all receive data
1:
The ODLN bits are counted down by reading receive data
14~11
Reserved. Set it to “0”.
00
10
Octl
Register 8-Bit Mode
0 :
EP0_FIFO Data Register is 16-bit mode
1 :
EP0_FIFO Data Register is 8-bit mode
9~8
Reserved. Set it to “0”.
00
7
BSWP
Byte Swap Mode
0 :
Byte is treated as little ENDIAN
1 :
Byte is treated as big ENDIAN
6~1
Reserved. Set it to “0”.
00
0
ISEL
Buffer Select
0 :
Control write transfer
1 :
Control read transfer
(1) RCNT (Read Count Mode) Bit (b15)
This bit sets the countdown methods of the ODLN bits at the time of reading the EP0_FIFO Data Register.
When this bit is set to “0”, the ODLN bit value does not change in spite of reading the data from the EP0_FIFO
Data Register, and is cleared to H’0 when all data is read out.
When this bit is set to “1”, the ODLN bit values are counted down every time the data is read from the
EP0_FIFO Data Register. Here, the down-count value differs as shown below depending on whether the
EP0_FIFO Data Register is set to 8-bit mode or 16-bit mode:
8-bit mode
: Down-count per “-1”
16-bit mode
: Down-count per “-2”
Note
: Use the *HWR/*BYTE pin or the Octl bit of this register for setting the 8-bit/16-bit mode.
(2) Octl (Register 8-Bit Mode) Bit (b10)
This bit sets the access mode of the EP0_FIFO Data Register.
When this bit is set to “0”, the EP0_FIFO Data Register is set to 16-bit mode, and all bits of the EP0_FIFO
Data Register are valid.
When this bit is set to “1”, the EP0_FIFO Data Register is set to 8-bit mode, and the upper-order 8 bits of the
EP0_FIFO Data Register (b15 to b8) are invalid.
Set this bit before receiving the data.
When set to control write transfer (ISEL bit = “0”), change this bit before receiving the data. When set to
control read transfer (ISEL bit = “1”), if the E0req bit indicates “1”, do not change this bit.
This bit becomes invalid (fixed to 8-bit mode) when the mode is set to 8-bit by *HWR/*BYTE pin.
In such case, this bit is read “0”.
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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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