AMC80 Datasheet, PDF (7/23 Pages) Texas Instruments – System Hardware Monitor with Two-Wire/SMBus Serial Interface

AMC80
www.ti.com
FUNCTIONAL BLOCK DIAGRAM
Analog
Inputs
CH0
CH1
CH2
CH3
CH4
CH5
CH6
Temperature
Sensor
Fan
Tachometer
Pulse Inputs
FAN1
FAN2
BTI
GPI(CI)
INT_IN
10-Bit
Delta-Sigma
ADC
Fan Speed
Counter
AMC80
Value RAM
IN0
Addr = 20h
IN1
Addr = 21h
IN2
Addr = 22h
IN3
Addr = 23h
IN4
Addr = 24h
IN5
Addr = 25h
IN6
Addr = 26h
Temperature
Addr = 27h
Fan1
Addr = 28h
Fan2
Addr = 29h
Watchdog
Upper Limit
Lower Limit
Upper Limit
Lower Limit
Upper Limit
Lower Limit
Upper Limit
Lower Limit
Upper Limit
Lower Limit
Upper Limit
Lower Limit
Upper Limit
Lower Limit
OS
Hysteresis
Hot
Hysteresis
Upper Limit
Upper Limit
Interrupt
Status
Registers
Interrupt
Masking
and
Interrupt
Control
Serial
Bus
Interface
SDA
SCL
A0/TEST_OUT
A1
A2
Interface and Control
Figure 2. High-Level Block Diagram
SBOS559 – MAY 2011
INT
RST_OUT/OS
Interrupt
Outputs
GPO
NTEST_IN/RESET_IN
Digital
Inputs
and
Outputs
Copyright © 2011, Texas Instruments Incorporated
Product Folder Link(s): AMC80
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