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參數(shù)資料
| 型號(hào)： | 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(yè)數(shù)： | 26/120頁(yè) |
| 文件大?。?/td> | 1369K |
| 代理商： | 7643 |
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Rev.1.00 Jul 30, 2003 page 26 of 119
7643 Group
SERIAL I/O
The serial I/O can be used only for clock synchronous serial I/O.
The transmitter and the receiver must use the same clock. If the
internal clock is used, transfer is started by a write signal to the
serial I/O shift register.
[Serial I/O Control Register 1 (SIOCON1)] 002B
16
[Serial I/O Control Register 2 (SIOCON2)] 002C
16
Each of the serial I/O control registers 1 and 2 contains eight bits
which control various serial I/O functions.
Fig. 21 Structure of serial I/O control registers 1, 2
Serial I/O control register 1 (address 002B
16
)
SIOCON1
Internal synchronous clock select bits (
Note 1
)
b2b1b0
0 0 0: Internal clock divided by 2
0 0 1: Internal clock divided by 4
0 1 0: Internal clock divided by 8
0 1 1: Internal clock divided by 16
1 0 0: Internal clock divided by 32
1 0 1: Internal clock divided by 64
1 1 0: Internal clock divided by 128
1 1 1: Internal clock divided by 256
Serial I/O port select bit
0: I/O port
1: STXD, SCLK signal output
SRDY output select bit
0: I/O port
1: SRDY signal output
Transfer direction select bit
0: LSB first
1: MSB first
Synchronous clock select bit
0: External clock
1: Internal clock
STXD output channel control bit
0: CMOS output
1: N-channel open drain output
Notes 1
: The source of serial I/O internal synchronous clock can be selected by bit 1
of serial I/O control register 2.
2
: To set the slave mode, also set bit 4 of serial I/O control register 1 to “1”.
b0
b7
Serial I/O control register 2 (address 002C
16
)
SIOCON2
SPI mode select bit
0: Normal serial I/O mode
1: SPI compatible mode (
Note 2
)
Reserved bit (“0” at read/write)
SRXD input enable bit
0: SRXD input disabed
1: SRXD input enabed
Clock polarity select bit (CPoL)
0: SCLK starting at “L”
1: SCLK starting at “H”
Clock phase select bit (CPha)
0: Serial transfer starting at falling edge of SRDY
1: Serial transfer starting afer a half cycle of SCLK
passed at falling edge of SRDY
Reserved bits (“0” at read/write)
b0
b7
0 0 0
0
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|---|---|
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參數(shù)描述 |
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| 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 |
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| 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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