AS3709 datasheet(42/74 Pages) AMSCO

номер детали	AS3709

подробное описание детали	關PMIC with 5 DCDC and 2 LDOs

PDF	74 Pages

Scroll/Zoom	100%

производитель	AMSCO [ams AG]

домашняя страница	http://www.ams.com

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42 / 74 page

AS3709 – 42

ams Datasheet, Confidential: 2013-Aug [1-02]

Re g i st e r De sc rip t ion

Detailed Register Description

Figure 53:

SD1Voltage Register (Address 00h)

Figure 54:

SD2Voltage Register (Address 01h)

Addr: 00h

SD1Voltage

Bit

Bit Name

Default

Access

Bit Description

sd1_frequ

Selects between high and low frequency dependent

on sd1_fsel

0 : 2MHz if sd1_fsel=0, 3MHz if sd1_fsel=1

1 : 3MHz if sd1_fsel=0, 4MHz if sd1_fsel=1

6:0

sd1_vsel

'b0000000

The voltage select bits set the SD1 output voltage

level and power the SD1 converter down.

00h : SD1 powered down

01h-40h : V_SD1=0.6V+sd1_vsel*12.5mV

41h-70h : V_SD1=1.4V+(sd1_vsel-40h)*25mV

71h-7Fh : V_SD1=2.6V+(sd1_vsel-70h)*50mV

Addr: 01h

SD2Voltage

Bit

Bit Name

Default

Access

Bit Description

sd2_frequ

Selects between high and low frequency dependent

on sd2_fsel

0 : 2MHz if sd2_fsel=0, 3MHz if sd2_fsel=1

1 : 3MHz if sd2_fsel=0, 4MHz if sd2_fsel=1

6:0

sd2_vsel

'b000

0000

The voltage select bits set the SD2 output voltage

level and power the SD2 converter down.

00h : SD2 powered down

01h-40h : V_SD2=0.6V+sd2_vsel*12.5mV

41h-70h : V_SD2=1.4V+(sd2_vsel-40h)*25mV

71h-7Fh : V_SD2=2.6V+(sd2_vsel-70h)*50mV

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