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參數(shù)資料
| 型號： | TPIC8101DWRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO20 |
| 封裝： | GREEN, PLASTIC, SOIC-20 |
| 文件頁數(shù)： | 6/23頁 |
| 文件大?。?/td> | 511K |
| 代理商： | TPIC8101DWRG4 |
TPIC8101
KNOCK SENSOR INTERFACE
SLIS110A APRIL 2003 REVISED MAY 2005
14
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
Table 3. Advanced SPI Mode
NO.
CODE
COMMAND (t)
DATA
RESPONSE (t)
1
010 D[4:0]
Set the prescaler and SDO status
OSCIN frequency
D[4:1]=0000=> 4 MHz
D[4:1]=0001=> 5 MHz
D[4:1]=0010=> 6 MHz
D[4:1]=0011=> 8 MHz
D[4:1]=0100=> 10 MHz
D[4:1]=0101=> 12 MHz
D[4:1]=0110=> 16 MHz
D[4:1]=0111=> 20 MHz
D[4:1]=1000=> 24 MHz
D[0]=0 => SDO active
D[1]=1=> SDO high impedance
Byte 1 (D7 to D0) of the digital
integrator output
2
1110 000 D[0]
Select the channel
D[0]=0 => Channel 1 selected
D[1]=1=> Channel 2 selected
D9 to D8 of digital integrator
output followed by six zeros
3
00 D[5:0]
Set the band-pass center
frequency
D[5:0] (see Table 1)
Byte 1 (MSB) of the 00000001
4
10 D[5:0]
Set the gain
D[5:0] (see Table 1)
Byte 2 (LSB) 11100000
5
110 D[4:0]
Set the integration time constant
D[4:0] (see Table 1)
SPI configuration
(MSB)01110001(LSB)
6
0111 0001
Set SPI configuration to the
advanced mode
None
Inverted SPI configuration
(MSB)10001110(LSB)
digital data output from the TPIC8101
digital output
D Digital integrator output (10 bits, D[9:0])
D First response byte (MSB): 8 bits for D7 to D0 of the integrator output
D Second response byte (LSB): 2 bits for D9 to D8 of the integrator output followed by six zeros
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