LM93 datasheet(3/95 Pages) TI1

3 / 95 page

CONFIGURATION AND

IDENTIFICATION

REGISTERS

8-bit

6' ADC

VOLTAGE

REFERENCE

INPUT

ATTENUATORS,

EXTERNAL DIODE

SIGNAL

CONDITIONING,

AND

ANALOG

MULTIPLEXER

ADDRESS POINTER

STEPPING AND

DEVICE ID

REGISTERS

INTERNAL TEMP

SENSOR

3.3SBY (AD_IN 16)

AD_IN2(1.236V)*

AD_IN3(1.236V)*

AD_IN10(6.67V)

VDD

SERIAL BUS

INTERFACE

SMBDAT

Address Select

PROCHOT AND VRD_HOT

DETECT/CONTROL

LOGIC

P1_PROCHOT

DYNAMIC VCCP MONITORING

REMOTE1+

REMOTE1-

REMOTE2-

REMOTE2+

AD_IN12(2.625V)

AD_IN13(1.312V)

AD_IN14(1.312V)

AD_IN1(1.236V)*

AD_IN4(1.6V)

AD_IN5(2V)

AD_IN6(2V)

AD_IN9(4.4V)

*Note: These pins may be used for ±12V with external

resistor dividers. The thevenin equivalent resistance at

the pin must be between 1k and 7k.

P2_VID0

P2_VID5

P1_VID0

P1_VID5

AD_IN8(1.6V;P2_Vccp)

AD_IN7(1.6V;P1_Vccp)

AD_IN11(3.33V)

SMBCLK

FAN TACH/GPIO/

SCSI_TERM

GPIO_0/TACH1

GPIO_1/TACH2

GPIO_2/TACH3

GPIO_3/TACH4

GPIO_4

GPIO_5

P2_PROCHOT

P1_VRD_HOT

P2_VRD_HOT

ALERT/XtestOut

RESET#

AD_IN15(1.236V)*

VALUE REGISTERS

LIMIT REGISTERS

HOST STATUS REGISTERS

BMC STATUS REGISTERS

SETUP REGISTERS

FAN CONTROL LOOKUP

TABLE

SLEEP STATE CONTROL AND

MASK REGISTERS

GPI AND OTHER MASK

REGISTERS

TEMPERATURE

READING DIGITAL

FILTER

PWM

FAN

CONTROL

PWM1

PWM2

GPIO_6

GPIO_7

SCSI TERM1

SCSI TERM2

VREF

VREF (2.5V)

LM93

www.ti.com

SNAS210E – DECEMBER 2003 – REVISED MARCH 2013

Device Information

2.1

Block Diagram

2.2

Application

Baseboard management of a Dual processor server. Two LM93s may be required to manage a quad

processor baseboard. The block diagram of LM93 hardware is illustrated below. The hardware

implementation is a single chip ASIC solution.

Device Information

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LM93 Datasheet(PDF) 3 Page - Texas Instruments

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