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)： 113/126頁
文件大?。?/td> 810K
代理商： M66291GP
MITSUBISHI <DIGITAL ASSP>
M66291GP
3. M66291 OPERATIONS
USB -83
Ver.1.0 Apr.9 2001
(2) Buffer state and IVAL bit of the IN buffer
The relation between buffer state and IVAL bit is shown in Figure 3.3 when the buffer is set to IN (set by the
EPi_DIR bit/ISEL bit).
The single/double buffer mode is set by the EPi_DBLB bit. The double buffer mode cannot be set at endpoint
0.
<W hen set to single buffer mode>
CPU bus
l W hen set to IN buffer
SIE bus
IVAL bit ="0"
Transmit
data
Transmit data
IVAL bit ="1"
Transmit
data
IVAL bit ="1"
Empty
<W hen set to double buffer mode >
Empty
SIE bus
IVAL bit ="0"
Empty
IVAL bit ="1"
Transmit data
Empty
Transmit data
Empty
IVAL bit ="0"
(EPB_RDY bit is set to "1")
IVAL bit ="1"
Empty
IVAL bit ="0"
(EPB_RDY bit is set to "1")
Note 1. Response to the host when EP0_PID/EPn_PID bits are set to "01(BUF)".
Note 2. About the transmit/write completions, refer to the follows:
l Endpoint 0
CTRR bit of Control Transfer Control Register
l Others endpoint 0
EPnRW MD bit of EPn Configuration Register
CPU bus
Accessable
Not accessable
Transmit
data
Transmit data
Empty
Transmit
data
Transmit
data
Transmit data
Transmit
data
W rite com p letion (No te 2)
Transm it co m pletio n (N ote 2)
SIE side buffer
CPU side buffer
Empty
Transmit data
IVAL bit ="1"
IVAL bit ="0"
(EPB_RDY bit is set to "1")
Empty
Response (Note1)
NAK
Transmits data
NAK
SIE side buffer
CPU side buffer
NAK
Transmits data
NAK
Transmits data
NAK
Response (Note 1)
W rite com p letion (No te 2)
Transm it co m pletio n (N ote 2)
Write co m pletion (N ote 2)
Transm it co m pletio n (N ote 2)
Figure 3.3 Relation between Buffer State and IVAL Bit (when set to IN buffer)
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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(biāo)準(zhǔn)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(biāo)準(zhǔn)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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