AS3543 datasheet(77/92 Pages) AMSCO

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AS3543 3v2

Data Sheet - R e g i s t e r D e f i n i t i o n

Table 78. PMU_Enable Register

Name

Base

Default

PMU_Enable

2-wire serial

00h

Offset: 1Ch-2

PMU_Enable Register

Selects the extended register on address 17h to 1Bh and enables writng to these PMU

This register is reset at a AVDD27-POR.

Bit

Bit Name

Default

Access

Bit Description

7:4

DC_TEST_MUX

<3:0>

0000

R/W

Allows multiplexing internal and external supply voltages to

one DC test node which can be further multiplexed to the

ADC10. The accuracy is 5mV/LSB (see reg. 2Eh)

0x0: open

0x1: AVDD27

0x2: AVDD17

0x3: PVDD1

0x4: PVDD2

0x5: CVDD1

0x6: CVDD2

0x7: RVDD

0x8: FVDD

0x9: PWGD

0xA-0xF: n/a

PMU_GATE

000

R/W

Enables all settings made in registers 17h to 1Bh at once. If

this bit is set, changes are activated as soon as they are

written to the related register.

0: no change

1: change at once

2:0

PMU_WR_ENABLE

<2:0>

000

R/W

Selects extended registers 17h to 1Bh for the next write

0: no register selected

1: 17h-1 to 1Bh-1 selected

2: 17h-2 to 1Bh-2 selected

...

7: 17h-7 to 1Bh-7 selected

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