MCP98243 Microchip Technology Inc., MCP98243 Datasheet - Page 22

• Manufacturer Part Number: MCP98243
• Description: Memory Module Temperature Sensor W/ Eeprom For Spd
• Manufacturer: Microchip Technology Inc.

MCP98243
FIGURE 5-3:
Communication”.
DS22153A-page 22
• Writing to the CONFIG Register to Enable the Event Output pin <0000 0000 0000 1000>b.
SDA
SCL
Note: this is an example routine:
i2c_start();
i2c_write(AddressByte & 0xFE);
i2c_write(0x01);
i2c_write(0x00);
i2c_write(0x08);
i2c_stop();
Timing Diagram for Writing to the Configuration Register (See Section 4.0 “Serial
S
1
0
2
0
Address Byte
3
1
4
1
5
A
2
A
6
1
1
0
7
A
0
2
0
MCP98243
W
8
3
0
MSB Data
A
C
K
4
0
1
0
5
0
//WRITE Command
//also, make sure bit 0 is cleared ‘0’
// Write CONFIG Register
// Write data
// Write data
// send START command
// send STOP command
Configuration Pointer
2
0
0
6
3
0
7
0
MCP98243
4
0
8
0
5
0
A
C
K
6
0
1
0
7
0
2
0
MCP98243
1
8
3
0
LSB Data
A
C
K
4
0
5
1
© 2009 Microchip Technology Inc.
6
0
7
0
MCP98243
8
0
A
C
K
P