MCP98243 Microchip Technology Inc., MCP98243 Datasheet - Page 15

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

5.0
The MCP98243 temperature sensors consists of a
band-gap type temperature sensor, a Delta-Sigma Ana-
log-to-Digital Converter (ΣΔ ADC), user-programmable
FIGURE 5-1:
© 2009 Microchip Technology Inc.
Register
A0
Pointer
FUNCTIONAL DESCRIPTION
A1
Configuration
Temperature
Manufacturer ID
Device ID/Rev
Resolution
Capability
T
T
T
UPPER
LOWER
CRIT
Shutdown
Critical Trip Lock
Alarm Win. Lock Bit
Event Polarity
Event Comp/Int
Selected Resolution
Output Feature
Hysteresis
Clear Event
Event Status
Output Control
Critical Event only
Temp. Range
Accuracy
A2
Temperature Sensor
Functional Block Diagram.
Event
SDA
Temperature
0.0625°C/bit
Standard I
0.125°C/bit
Band-Gap
0.25°C/bit
ΣΔ ADC
0.5°C/bit
Sensor
Interface
2
C
SCL
registers and a 2-wire I
interface.
register structure.
Memory
Control
Logic
Figure 5-1
Decoder
Address
EEPROM
shows a block diagram of the
X
2
V
C protocol compatible serial
MCP98243
DD
Address Decoder
HV Generator
Write Protect
GND
R/W Control
Sense Amp
Protected
Standard
(80h-FFh)
(00h-7Fh)
DS22153A-page 15
Array
Circuitry
Write
Array
Y