AS3607 datasheet(54/71 Pages) AMSCO

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AS3606 AS3607 2v2

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

Table 43. CURR2 Register

Name

Base

Default

CURR2

2-wire serial

00h

Offset: 1Bh-4

Current Sink 2 Register

This is an extended register and needs to be enabled by writing 100b to Reg. 1Ch first.

This register is reset at a VDD27-POR or XRES input.

Bit

Bit Name

Default

Access

Bit Description

7:0

ICURR2<7:0>

0x00

R/W

Sets the current for current sink 2 in 255 steps with 140.626µA stepsize

0x00: Current sink 2 switched off

0x01: 0.141 mA

0x02: 0.281 mA

0x03: 0.422 mA

0xFE: 35,72 mA

0xFF: 35.86 mA

Table 44. PMU_Enable Register

Name

Base

Default

PMU_Enable

2-wire serial

00h

Offset: 1Ch

PMU_Enable Register

Selects the extended register on address 17h to 1Bh and enables writing to these PMU register. It also

sets the ADC10 multiplexer to measure various regulator voltages

This register is reset at a VDD27-POR or XRES input.

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: PVDD1

0x2: PVDD2

0x3: PVDD3

0x4: PVDD4

0x5: VDD27

0x6: CVDD1

0x7: CVDD2

0x8: CVDD3

0x9-0xF: n/a

PMU_GATE

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_ENABLE

<2:0>

000

R/W

Selects extended registers 17h to 1Bh for the next read or write. This register

has to be set before every read or write even if the selection is not changing.

0: 19h-0 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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