AMC7812B_14 Datasheet, PDF (79/93 Pages) Texas Instruments – 12-Bit Analog Monitoring and Control Solution with Multichannel ADC, DACs, and Temperature Sensors

AMC7812B
www.ti.com
SBAS625A – SEPTEMBER 2013 – REVISED SEPTEMBER 2013
Hysteresis Registers
The hysteresis registers define the hysteresis in the alarm detection of an individual alarm.
Hysteresis Register 0 (Read or Write, Address = 68h, Default = 0810h, 8 LSB)
This register contains the hysteresis values for CH0 and CH1.
MSB
BIT 15 BIT 14 BIT 13 BIT 12 BIT 11 BIT 10 BIT 9 BIT 8 BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1
0
CH0- CH0- CH0- CH0- CH0- CH0- CH0- CH1- CH1- CH1- CH1- CH1- CH1- CH1-
HYS-6 HYS-5 HYS-4 HYS-3 HYS-2 HYS-1 HYS-0 HYS-6 HYS-5 HYS-4 HYS-3 HYS-2 HYS-1 HYS-0
LSB
BIT 0
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 or Write, Address = 69h, Default = 0810h, 8 LSB)
This register contains the hysteresis values for CH2 and CH3.
MSB
BIT 15
0
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
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 or Write, Address = 6Ah, Default = 2108h, 8°C)
This register contains the hysteresis values for D2, D1, and LT. The range is 0°C to +31°C.
MSB
LSB
BIT 15 BIT 14 BIT 13 BIT 12 BIT 11 BIT 10 BIT 9 BIT 8 BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0
0
D2- D2- D2- D2- D2- D1- D1- D1- D1- D1- LT- LT- LT- LT- LT-
HYS-7 HYS-6 HYS-5 HYS-4 HYS-3 HYS-7 HYS-6 HYS-5 HYS-4 HYS-3 HYS-7 HYS-6 HYS-5 HYS-4 HYS-3
Bits[14:10]
Bits[9:5]
Bits[4:0]
D2-HYS-n
Hysteresis of D2, 1°C per step. Note that bits D2-HYS-[2:0] are always '0'.
D1-HYS-n
Hysteresis of D1, 1°C per step. Note that bits D1-HYS-[2:0] are always '0'.
LT-HYS-n
Hysteresis of LT, 1°C per step. Note that bits LT-HYS-[2:0] are always '0'.
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