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參數(shù)資料
| 型號： | 7640 |
| 英文描述： | IrDA. protocol handler plus endec for DCE Apps, -40C to +85C, 18-PDIP, TUBE |
| 中文描述： | 7640組數(shù)據(jù)表數(shù)據(jù)表1885K/SEP.05.00 |
| 文件頁數(shù)： | 59/97頁 |
| 文件大?。?/td> | 1885K |
| 代理商： | 7640 |
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58
Ver 1.4
MITSUBISHI MICROCOMPUTERS
7640 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
The
(USBSOFL)
, shown in Figure 1.59, contains the
lower 8 bits of the 11-bit frame number received from
the host.
The
USB
Frame
Number
(USBSOFH)
, shown in Figure 1.60, contains the up-
per 3 bits of the 11-bit frame number received from
the host.
The
USB Endpoint Index Register (USBINDEX)
,
shown in Figure 1.61, identifies the endpoint pair. It
serves as an index to endpoint-specific IN CSR, OUT
CSR, IN MAXP, OUT MAXP and OUT WRT CNT reg-
isters.
This register also contains two global bits, ISO_UPD
and AUTO_FL, which affect isochronous data trans-
fers for endpoints 1-4.
USB
Frame
Number
Low
Register
High
Register
Fig. 1.59. USB Frame Number Low Register (USBSOFL)
Fig. 1.60. USB Frame Number High Register (USBSOFH)
Fig. 1.61. USB Endpoint Index Register (USBINDEX)
If ISO_UPD = “0”, a data packet in an endpoint’s IN
FIFO is always ‘ready to transmit’ upon receiving the
next IN_TOKEN from the host (with matched address
and endpoint number). If ISO_UPD = “1” and the ISO
bit of the corresponding endpoint’s IN CSR is set,
then the internal ‘ready to transmit’ signal to the trans-
mit control logic is delayed until the next SOF. In this
way the data loaded in frame n will be transmitted out
in frame n+1. The ISO_UPD bit is a global bit for end-
points 1 to 4, and works with isochronous pipes only.
If AUTO_FL = “1”, ISO_UPD = “1”, and a particular IN
endpoint’s ISO bit is set, then when the USB FCU de-
tects an SOF packet, if the corresponding IN
endpoint’s IN_PKT_RDY = “1”, the USB FCU auto-
matically flushes the oldest packet from the IN FIFO.
In this case, IN_PKT_RDY = “1” indicates that two
data packet are in the IN FIFO. Since, for ISO trans-
fer, double buffering is a requirement; MAXP must set
to be less than or equal to 1/2 of the FIFO size.
ISO_UPD
Reserved
Reserved
Reserved
EPINDX2
EPINDX1
EPINDX0
MSB
7
LSB
0
AUTO_FL
Address: 0058
16
Access: R/W
Reset: 00
16
EPINDX2:0 Endpoint Index:
Bit 2
0 0
0
0
0
1
Others:
Bit 1
Bit 0
0:
1:
0:
1:
0:
Function Endpoint 0
Function Endpoint 1
Function Endpoint 2
Function Endpoint 3
Function Endpoint 4
Undefined
0
1
1
0
Bits 3:5
Reserved (Read/Write "0")
AUTO_FL
AUTO_FLUSH Bit (bit 6)
0: Hardware auto FIFO flush disabled
1: Hardware auto FIFO flush enabled
ISO_UPDATE Bit (Bit 7)
0: ISO_UPDATE disabled
1: ISO_UPDATE enabled
ISO_UPD
FN7
FN5
FN4
FN3
FN2
FN1
FN0
MSB
7
LSB
0
FN6
Address: 0056
16
Access: R
Reset: 00
16
FN7:0
Lower 8 bits of 11-bit frame number issued with a SOF token
Reserved
Reserved
Reserved
Reserved
FN10
FN9
FN8
MSB
7
LSB
0
Reserved
Address: 0057
Access: R
Reset: 00
16
FN10:8
Upper 3 bits of the 11-bit frame number issued with a SOF token
Bits 7:3
Reserved (Read "0")
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 7641 | 7641 Group Datasheet Datasheet 2145K/MAR.26.02 |
| 7643 | IrDA. protocol handler plus endec for DCE Apps, -40C to +85C, 18-SOIC 300mil, TUBE |
| 765-11-(SERIES) | Analog IC |
| 765-11-20K | Analog IC |
| 765-11-25A | Analog IC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 76400 | 制造商:AMP 功能描述:76400 AMPHENOL NXF4C 制造商:TE Connectivity 功能描述: |
| 76-400 | 制造商:AMP 功能描述:76400 AMPHENOL NXF4C |
| 764-00/001 | 功能描述:MULTI FUNCT MOD SCREW C14 SWITCH RoHS:是 類別:連接器，互連式 >> 電源輸入 - 輸入端，輸出端，模塊 系列:764 標準包裝:50 系列:FELCOM 連接器類型:IEC 320-C14 連接器類型:插座，公引腳 - 模塊 位置數(shù):3 電流:10A 電壓:250V 安裝類型:面板安裝，卡入式；通孔 端接類型:焊接 保險絲盒:包括在內(nèi) 特點:保險絲盒 |
| 764-00/002 | 功能描述:交流電源輸入模塊 Screw Mnt Solder RoHS:否 制造商:Schurter 過濾:Yes 過濾器類型:IEC Inlet Filters 產(chǎn)品:Inlets 電流額定值:4 A 電壓額定值:250 VAC 外殼材料:Thermoplastic 安裝風格:Panel, Screw 端接類型:Quick Connect 工作溫度范圍:- 25 C to + 85 C 連接器類型:C-14 |
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