AMC7812 Datasheet, PDF(78/92 Page) Texas Instruments – 12-Bit ANALOG MONITORING AND CONTROL SOLUTION with Multichannel ADC, DACs, and Temperature Sensors

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AMC7812 Datasheet, PDF (78/92 Pages) Texas Instruments – 12-Bit ANALOG MONITORING AND CONTROL SOLUTION with Multichannel ADC, DACs, and Temperature Sensors

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AMC7812

SBAS513D â JANUARY 2011 â REVISED OCTOBER 2012

HYSTERESIS REGISTERS

The hysteresis registers define the hysteresis in the alarm detection of an individual alarm.

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Hysteresis Register 0 (Read/Write, Address = 68h, Default = 0810h, 8 LSB)

This register contains the hysteresis values for CH0 and CH1.

MSB

BIT 15

BIT 14

CH0-

HYS-6

BIT 13

CH0-

HYS-5

BIT 12

CH0-

HYS-4

BIT 11

CH0-

HYS-3

BIT 10

CH0-

HYS-2

BIT 9

CH0-

HYS-1

BIT 8

CH0-

HYS-0

BIT 7

CH1-

HYS-6

BIT 6

CH1-

HYS-5

BIT 5

CH1-

HYS-4

BIT 4

CH1-

HYS-3

BIT 3

CH1-

HYS-2

BIT 2

CH1-

HYS-1

BIT 1

CH1-

HYS-0

LSB

BIT 0

Bits[14:8]

Bits[7:1]

CH0-HYS-n: Hysteresis of CH0, 1 LSB per step.

CH1-HYS-n: Hysteresis of CH1, 1 LSB per step.

Hysteresis Register 1 (Read/Write, Address = 69h, Default = 0810h, 8 LSB)

This register contains the hysteresis values for CH2 and CH3.

MSB

BIT 15

BIT 14

CH2-

HYS-6

BIT 13

CH2-

HYS-5

BIT 12

CH2-

HYS-4

BIT 11

CH2-

HYS-3

BIT 10

CH2-

HYS-2

BIT 9

CH2-

HYS-1

BIT 8

CH2-

HYS-0

BIT 7

CH3-

HYS-6

BIT 6

CH3-

HYS-5

BIT 5

CH3-

HYS-4

BIT 4

CH3-

HYS-3

BIT 3

CH3-

HYS-2

BIT 2

CH3-

HYS-1

BIT 1

CH3-

HYS-0

LSB

BIT 0

Bits[14:8]

Bits[7:1]

CH2-HYS-n: Hysteresis of CH2, 1 LSB per step.

CH3-HYS-n: Hysteresis of CH3, 1 LSB per step.

Hysteresis Register 2 (Read/Write, Address = 6Ah, Default = 2108h, 8Â°C)

This register contains the hysteresis values for D2, D1, and LT. The range is 0Â°C to +31Â°C.

MSB

BIT 15

BIT 14

D2-

HYS-7

BIT 13

D2-

HYS-6

BIT 12

D2-

HYS-5

BIT 11

D2-

HYS-4

BIT 10

D2-

HYS-3

BIT 9

D1-

HYS-7

BIT 8

D1-

HYS-6

BIT 7

D1-

HYS-5

BIT 6

D1-

HYS-4

BIT 5

D1-

HYS-3

BIT 4

LT-

HYS-7

BIT 3

LT-

HYS-6

BIT 2

LT-

HYS-5

BIT 1

LT-

HYS-4

LSB

BIT 0

LT-

HYS-3

Bits[14:10]

Bits[9:5]

Bits[4:0]

D2-HYS-n: Hysteresis of D2, 1Â°C per step. Note that bits D2-HYS-[2:0] are always '0'.

D1-HYS-n: Hysteresis of D1, 1Â°C per step. Note that bits D1-HYS-[2:0] are always '0'.

LT-HYS-n: Hysteresis of LT, 1Â°C per step. Note that bits LT-HYS-[2:0] are always '0'.

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