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HT7M2136 датащи(PDF) 19 Page - Holtek Semiconductor Inc

номер детали HT7M2136
подробное описание детали  PIR Detector Miniaturized Module
PDF  25 Pages
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производитель  HOLTEK [Holtek Semiconductor Inc]
домашняя страница  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT7M2136 датащи(HTML) 19 Page - Holtek Semiconductor Inc

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Rev. 1.20
19
June 17, 2016
HT7M2126/27/36/56/76
Bit 0
Ftrg
1: PIR Trigged
0: No PIR Trigged
Note:Thisisanexampleroutine:(SeeAppendixB:“SourceCode”)
i2c_start();
// send START command
i2c_write(AddressByte & 0xFE); // WRITE Command
// also, make sure bit 0 is cleared ‘0’
i2c_write(0x08);
// Write PIRRAW Register
i2c_start();
// send Repeat START command
i2c_write(AddressByte | 0x01); // READ Command
// also, make sure bit 0 is set ‘1’
UpperByte = i2c_read(ACK);
// READ 8 bits (UpperByte = MSB)
// and Send ACK bit
LowerByte = i2c_read(NAK);
// READ 8 bits (LowerByte =LSB)
// and Send NAK bit
9. Manufacture ID
• MANUFACTURE ID (MID) → ADDRESS: 09H
Bit
15
14
13
12
11
10
9
8
Name
0
0
0
0
0
1
0
0
R/W
R
R
R
R
R
R
R
R
Bit
7
6
5
4
3
2
1
0
Name
1
1
0
1
1
0
0
1
R/W
R
R
R
R
R
R
R
R
Bit 15~0
Manufacture ID = 0x04D9
Note:Thisisanexampleroutine:(SeeAppendixB:“SourceCode”)
i2c_start();
// send START command
i2c_write(AddressByte & 0xFE); // WRITE Command
// also, make sure bit 0 is cleared ‘0’
i2c_write(0x09);
// Write MID Register
i2c_start();
// send Repeat START command
i2c_write(AddressByte | 0x01); // READ Command
// also, make sure bit 0 is set ‘1’
UpperByte = i2c_read(ACK);
// READ 8 bits (UpperByte = 0x04)
// and Send ACK bit
LowerByte = i2c_read(NAK);
// READ 8 bits (LowerByte = 0xd9)
// and Send NAK bit



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