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MCP9844 数据表(PDF) 18 Page - Microchip Technology

部件名 MCP9844
功能描述  짹1째C Accurate, 1.8V Digital Temperature Sensor
PDF  44 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

MCP9844 数据表(HTML) 18 Page - Microchip Technology

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MCP9844
DS20005192A-page 18
 2013 Microchip Technology Inc.
FIGURE 5-3:
Timing Diagram for Writing to the Configuration Register (See Section 4.0 “Serial
Communication”.
Writing to the CONFIG Register to Enable the Event Output pin <0000 0000 0000 1000>b.
SDA
A
C
K
001
1
A
00
00
A
C
K
S
2
A
1
A
0
12
3
4
5
6
7
8
12
3
4
5
6
7
8
SCL
0
Address Byte
W
MCP9844
MCP9844
MSB Data
A
C
K
A
C
K
P
12
34
5
6
7
8
12
34
567
8
LSB Data
Configuration Pointer
MCP9844
MCP9844
00
1
00
0
0
0
00
0
0
0
0
0
1
00
0
Note:
this is an example routine:
i2c_start();
// send START command
i2c_write(AddressByte & 0xFE);
//WRITE Command
//also, make sure bit 0 is cleared ‘0’
i2c_write(0x01);
// Write CONFIG Register
i2c_write(0x00);
// Write data
i2c_write(0x08);
// Write data
i2c_stop();
// send STOP command



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