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ADT7476AARQZ-R Datasheet(PDF) 2 Page - ON Semiconductor

Part # ADT7476AARQZ-R
Description  Remote Thermal Controller and Voltage Monitor
PDF  69 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

ADT7476AARQZ-R Datasheet(HTML) 2 Page - ON Semiconductor

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ADT7476A
www.onsemi.com
2
Figure 1. Functional Block Diagram
ADT7476A
PWM REGISTERS
AND CONTROLLERS
(HF AND LF)
AUTOMATIC
FAN SPEED
CONTROL
FAN SPEED
COUNTER
PERFORMANCE
MONITORING
THERMAL
PROTECTION
INPUT
SIGNAL
CONDITIONING
AND
ANALOG
MULTIPLEXER
BAND GAP
TEMP. SENSOR
VCC TO ADT7476A
10-BIT
ADC
BAND GAP
REFERENCE
SMBus
ADDRESS
SELECTION
SERIAL BUS
INTERFACE
ADDRESS
POINTER
REGISTER
PWM
CONFIGURATION
REGISTERS
INTERRUPT
MASKING
INTERRUPT
STATUS
REGISTERS
VALUE AND
LIMIT
REGISTERS
LIMIT
COMPARATORS
GND
ADDR
SELECT
ADDREN
SCL
SDA
SMBALERT
PWM1
PWM2
PWM3
TACH1
TACH2
TACH3
TACH4
THERM
VCC
D1+
D1−
D2+
D2−
+5VIN
VID/GPIO
REGISTER
+12VIN
+2.5VIN
VCCP
VID0/GPIO0
VID1/GPIO1
VID2/GPIO2
VID3/GPIO3
VID4/GPIO4
VID5/GPIO5
GPIO6
ACOUSTIC
ENHANCEMENT
CONTROL
Figure 2. Serial Bus Timing Diagram
P
S
tSU; DAT
tHIGH
tF
tHD; DAT
tR
tLOW
tSU; STO
PS
SCL
SDA
tBUF
tHD; STA
tHD; STA
tSU; STA



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