ADT7476AARQZ-R Ver la hoja de datos (PDF) - ON Semiconductor

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componentes Descripción

Fabricante

ADT7476AARQZ-R

Remote Thermal Controller and Voltage Monitor

ON Semiconductor 

VID5/GPIO5

VID4/GPIO4

VID3/GPIO3

VID2/GPIO2

VID1/GPIO1

VID0/GPIO0

GPIO6

PWM1

PWM2

PWM3

TACH1

TACH2

TACH3

TACH4

THERM

VCC

D1+

D1−

D2+

D2−

+5VIN

+12VIN

+2.5VIN

VCCP

ADT7476A

ADDR

ADDREN SELECT SCL SDA SMBALERT

ADT7476A

VID/GPIO

REGISTER

SMBus

ADDRESS

SELECTION

PWM REGISTERS

AND CONTROLLERS

(HF AND LF)

AUTOMATIC

FAN SPEED

CONTROL

FAN SPEED

COUNTER

SERIAL BUS

INTERFACE

ADDRESS

POINTER

REGISTER

PWM

CONFIGURATION

REGISTERS

INTERRUPT

MASKING

VCC TO ADT7476A

BAND GAP

TEMP. SENSOR

PERFORMANCE

MONITORING

THERMAL

PROTECTION

INPUT

SIGNAL

CONDITIONING

AND

ANALOG

MULTIPLEXER

ACOUSTIC

ENHANCEMENT

CONTROL

10-BIT

ADC

BAND GAP

REFERENCE

INTERRUPT

STATUS

REGISTERS

LIMIT

COMPARATORS

VALUE AND

LIMIT

REGISTERS

GND

Figure 1. Functional Block Diagram

SCL

SDA

tBUF

P

S

t LOW

tR

tHD; STA

tHD; DAT

tF

tHIGH

tSU; DAT

t HD; STA

tSU; STA

S

Figure 2. Serial Bus Timing Diagram

tSU; STO

P

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