AMC7832IPAPR datasheet(48/74 Pages) TI2

48 / 74 page

AMC7832

SLAS836 – MARCH 2014

www.ti.com

Table 26. Register name: ALARMOUT Source 0 – Address: 0x1C, Default: 0x00 (READ/WRITE)

DEFAULT

ADDRESS

BIT

NAME

DESCRIPTION

NAME

VALUE

ALARM

0x1C

7:5

Reserved

Reserved for factory use

000

OUT Source

ADC16-ALR-OUT

This register selects which alarms can activate the ALARMOUT

terminal. The ALARMOUT must be enabled for this function to

ADC15-ALR-OUT

take effect.

ADC14-ALR-OUT

ADC13-ALR-OUT

ADC12-ALR-OUT

Table 27. Register name: ALARMOUT Source 1 – Address: 0x1D, Default: 0x00 (READ/WRITE)

DEFAULT

ADDRESS

BIT

NAME

DESCRIPTION

NAME

VALUE

ALARM

0x1D

7:5

Reserved

Reserved for factory use

000

OUT Source

ALARM-LATCH-

Alarm latch disable bit. When cleared to 0 the alarm bits are

DIS

latched. When an alarm occurs, the corresponding alarm bit is

set to “1”. The alarm bit remains until the error condition subsides

and the alarm register is read. Before reading, the alarm bit is not

cleared even if the alarm condition disappears. When set to 1 the

alarm bits are not latched. When the alarm condition subsides,

the alarm bits are cleared regardless of whether the alarm bits

have been read or not.

ALRIN-ALR-OUT

This register selects which alarms can activate the ALARMOUT

terminal. The ALARMOUT must be enabled for this function to

THERM-ALR-

take effect.

OUT

LT-HIGH-ALR-

OUT

LT-LOW-ALR-

OUT

8.5.6 DAC Range: Address 0x1E

Table 28. Register name: DAC Range – Address: 0x1E, Default: 0x00 (READ/WRITE)

DEFAULT

ADDRESS

BIT

NAME

DESCRIPTION

NAME

VALUE

DAC Range

0xE1

7:4

Reserved

Reserved for factory use

0000

DAC-5VRANGED

DAC_n output voltage range bit.

VRANGEn terminal is connected to AGND:

DAC-5VRANGEC

When the DAC-5VRANGEn bit is cleared to 0 the DAC_n group

DAC-5VRANGEB

output voltage range is set to 0-10V.

When the DACn-RANGE bit is set to 1 the DAC_n group output

DAC-5VRANGEA

voltage range is set to 0-5V.

VRANGEn terminal is connected to +2.5V: If the VRANGEn

terminal is connected to +2.5V the DAC-5VRANGEn bit must be

cleared to 0.

8.5.7 ADC Data: Address 0x20 – 0x41

Table 29. Register name: ADCn-Data (low byte) – Address: 0x20 - 0x41, Default: 0x00 (READ ONLY)

DEFAULT

ADDRESS

BIT

NAME

DESCRIPTION

NAME

VALUE

ADCn Data

0x20 to

7:0

ADCn-DATA(7:0)

Stores the 12-bit ADC_n conversion results in straight binary

All zeros

(low)

0x41

format for both types of inputs channels (unipolar and bipolar)

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