AMC7832IPAPR datasheet(53/74 Pages) TI2

53 / 74 page

AMC7832

www.ti.com

SLAS836 – MARCH 2014

Table 51. Register name: Register name: Power-down 0 – Address: 0xB2, Default: 0x00 (READ/WRITE)

DEFAULT

ADDRESS

BIT

NAME

DESCRIPTION

NAME

VALUE

Power

0xB2

PDAC-C1

After power-on or reset, all bits in the Power-Down Register are

Down 0

cleared to '0', and all the components controlled by this register

PDAC-C0

are either powered-down or off. The Power-Down Register allows

PDAC-B7

the host to manage the AMC7832 power dissipation. When not

required, the ADC, internal reference, reference buffer amplifiers,

PDAC-B6

and any of the DACs can be put into an inactive low-power mode

PDAC-A11

to reduce current drain from the supply. The bits in the Power-

Down Register control this power-down function. Set the

PDAC-A10

respective bit to '1' to activate the corresponding function.

PDAC-A9

PDAC-A8

Table 52. Register name: Register name: Power-down 1 – Address: 0xB3, Default: 0x00 (READ/WRITE)

DEFAULT

ADDRESS

BIT

NAME

DESCRIPTION

NAME

VALUE

Power

0xB3

PREF_OUT1

After power-on or reset, all bits in the Power-Down Register are

Down 1

cleared to '0', and all the components controlled by this register

PREF_OUT2

are either powered-down or off. The Power-Down Register allows

PREF

The Power-Down Register allows the host to manage the

AMC7832 power dissipation. When not required, the ADC,

PADC

internal reference, reference buffer amplifiers, and any of the

PDAC-D5

DACs can be put into an inactive low-power mode to reduce

current drain from the supply. The bits in the Power-Down

PDAC-D4

PDAC-D3

to '1' to activate the corresponding function.

PDAC-D2

8.5.14 ADC Trigger: Address 0xC0

Table 53. Register name: ADC Trigger – Address: 0xC0, Default: 0x00 (WRITE ONLY)

DEFAULT

ADDRESS

BIT

NAME

DESCRIPTION

NAME

VALUE

ADC Trigger

0xC0

7:1

Reserved

Reserved for factory use

All zeros

ICONV

Internal ADC conversion bit. Set this bit to ‘1’ to start the ADC

conversion internally. The bit is automatically cleared to ‘0’.

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