MCP98242T-BE/MCBA2 Microchip Technology, MCP98242T-BE/MCBA2 Datasheet - Page 20

• Manufacturer Part Number: MCP98242T-BE/MCBA2
• Description: JEDEC DIMM Serial Output Temp Sensor + SPD EEPROM 8 DFN 2X3mm T/R
• Manufacturer: Microchip Technology

Specifications of MCP98242T-BE/MCBA2

• Function: Temp Monitoring System (Sensor)
• Topology: ADC (Sigma Delta), Register Bank
• Sensor Type: Internal
• Sensing Temperature: -40°C ~ 125°C
• Output Type: I²C™/SMBus™
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-DFN
• Full Temp Accuracy: +/- 2 C
• Digital Output - Bus Interface: Serial (2-Wire, I2C)
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MCP98242
FIGURE 5-3:
Section 4.0 “Serial
DS21996D-page 20
SCLK
SDA
• Writing to the CONFIG Register to Enable the Event Output pin <0000 0000 0000 1000>b.
• Reading the CONFIG Register.
SCLK
SDA
SCLK
SDA
S
1
0
S
2
0
S
1
0
Address Byte
Timing Diagram for Writing and Reading from the Configuration Register (See
Communication”).
3
1
1
0
0
2
4
Address Byte
1
2
0
3
1
Address Byte
A
5
2
1
3
4
1
6
A
1
4
1
5
A
2
A
7
0
5
A
2
6
A
1
MCP98242
W
8
6
A
1
1
0
A
7
0
MCP98242
A
C
K
A
7
0
0
2
8
R
MCP98242
W
1
0
8
3
0
MSB Data
A
C
K
Configuration Pointer
2
0
A
C
K
4
0
1
0
3
0
1
0
0
5
0
Configuration Pointer
2
4
0
2
0
6
0
3
0
MSB Data
5
0
3
0
7
0
4
0
MCP98242
6
0
4
0
8
0
0
5
7
0
5
0
A
C
K
6
0
MCP98242
8
1
6
0
1
0
7
0
A
C
K
7
0
2
0
8
0
Master
MCP98242
8
1
3
0
LSB Data
A
C
K
A
C
K
4
0
1
0
Note:
5
1
2
0
6
0
3
 2010 Microchip Technology Inc.
0
LSB Data
7
0
4
0
It is not necessary to
select
Pointer if it was set
from the previous read/
write.
MCP98242
8
0
5
1
A
C
K
6
0
P
the
7
0
8
0
Master
Register
N
A
K
P