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： LQFP-48
文件頁數(shù)： 70/126頁
文件大小： 810K
代理商： M66291GP
MITSUBISHI <DIGITAL ASSP>
M66291GP
2. Registers
USB -44
Ver.1.0 Apr.9 2001
2.23 EP0_FIFO Select Register
s
EP0_FIFO Select Register (EP0_FIFO_SELECT)
<Address : H’30>
b15
14
13
12
11
10
9876543
21
b0
RCNT
Octl
BSWP
ISEL
0
-
--
-
--
-
--
-
--
-
--
-
--
<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
7BSWP
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
0ISEL
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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