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參數(shù)資料
| 型號： | 7643 |
| 英文描述： | IrDA. protocol handler plus endec for DCE Apps, -40C to +85C, 18-SOIC 300mil, TUBE |
| 中文描述： | 7643Group數(shù)據(jù)表數(shù)據(jù)表1369K/JUL.30.03 |
| 文件頁數(shù)： | 29/120頁 |
| 文件大小： | 1369K |
| 代理商： | 7643 |
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Rev.1.00 Jul 30, 2003 page 29 of 119
7643 Group
SPI Compatible Mode Operation
Setting the SPI Mode Select Bit (bit 0 of SIOCON2) puts the serial
I/O in SPI compatible mode. The Synchronous Clock Select Bit
(bit 6 of SIOCON1) determines whether the serial I/O is an SPI
master or slave. When the external clock is selected (“0”), the se-
rial I/O is in slave mode; When the internal clock is selected (“1”),
the serial I/O is in master mode.
In SPI compatible mode the SRXD pin functions as a MISO (Mas-
ter In/Slave Out) pin and the STXD pin functions as a MOSI
(Master Out/Slave In) pin.
In slave mode the transmit data is output from the MISO pin and
the receive data is input from the MISO pin. The SRDY pin func-
tions as the chip-select signal input pin from an external.
In master mode the transmit data is output from the MOSI pin and
the receive data is input from the MISO pin. The SRDY pin func-
tions as the chip-select signal output pin to an external.
●
Slave Mode Operation
In slave mode of SPI compatible mode 4 types of clock polarity
and clock phase can be usable by bits 3 and 4 of serial I/O control
register 2.
If the SRDY pin is held “H”, the shift clock is inhibited, the serial I/
O counter is set to “7”. If the SRDY pin is held “L”, then the shift
clock will start.
Make sure during transfer to maintain the SRDY input at “L” and
not to write data to the serial I/O counter.
Figure 23 shows the serial I/O timing.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 764-3"x36yd-Red | 功能描述:膠帶 764 RED 3X36 YD BULK RoHS:否 制造商:3M Electronic Specialty 產(chǎn)品:Tapes 類型:Shielding 描述/功能:EMI/RFI Foil Shielding Tape 顏色: 材料:Copper Foil 寬度:1 in x 18 yds |
| 764-3"x36yd-White | 功能描述:膠帶 WHITE 3X36YD BULK RoHS:否 制造商:3M Electronic Specialty 產(chǎn)品:Tapes 類型:Shielding 描述/功能:EMI/RFI Foil Shielding Tape 顏色: 材料:Copper Foil 寬度:1 in x 18 yds |
| 764-3"x36yd-Yellow | 功能描述:膠帶 764 YELLOW 3X36 YD BULK RoHS:否 制造商:3M Electronic Specialty 產(chǎn)品:Tapes 類型:Shielding 描述/功能:EMI/RFI Foil Shielding Tape 顏色: 材料:Copper Foil 寬度:1 in x 18 yds |
| 7643_06 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER |
| 76430 | 制造商:Brady Corporation 功能描述:TAPE, BARRICADE, BLACK/PHOSPHORESCENT, 2INX5YD; Tape Type:Safety, Hazard Warning; Tape Backing Material:Polyester Film; Tape Width - Metric:50.8mm; Tape Width - Imperial:2"; Tape Length - Metric:4.572m; Tape Length - Imperial:5yard ;RoHS Compliant: NA |
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