MCP98242-BESLASHST datasheet(13/52 Pages) MICROCHIP

13 / 52 page

DS21996C-page 13

MCP98242

5.0

FUNCTIONAL DESCRIPTION

The MCP98242 temperature sensors consists of a

band-gap type temperature sensor, a Delta-Sigma Ana-

log-to-Digital Converter (

ΣΔ ADC), user-programmable

registers and a 2-wire I2C/SMBus protocol compatible

serial interface. Figure 5-1 shows a block diagram of

the register structure.

FIGURE 5-1:

Functional Block Diagram.

Clear Event

0.5°C/bit

0.25°C/bit

0.125°C/bit

0.0625°C/bit

Temperature

TUPPER

TLOWER

Configuration

ΣΔ ADC

Band-Gap

Temperature

Sensor

Event Status

Output Control

Critical Event only

Event Polarity

Event Comp/Int

TCRIT

Capability

Temp. Range

Accuracy

Output Feature

Pointer

Critical Trip Lock

Alarm Win. Lock Bit

Shutdown

Hysteresis

Manufacturer ID

Resolution

Memory

Control

Logic

Address

Standard

Array

Write

Write Protect

Circuitry

Sense Amp

R/W Control

Protected

(00h-7Fh)

(80h-FFh)

Device ID/Rev

Selected Resolution

HV Generator

Decoder

Array

Address Decoder

SMBus/Standard I2C

Interface

Event

SDA

SCL

VDD

GND

Temperature Sensor

EEPROM

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