AS3701 datasheet(91/110 Pages) AMSOSRAM

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[v1-11] 2016-Dec-14

AS3701 − Register Description

Figure 111:

Fuse7

Addr:a7h

Fuse7

Bit

Bit Name

Default

Access

Bit Description

7auto_off

Defines startup behavior at first battery insertion

0 : Startup of chip if VBAT>ResVoltRise

1 : Enter power OFF mode (Startup with ON key or

charger insertion)

chg_pwr_off_

Enable power OFF mode, if charger is detected

0 : Exit of Power OFF mode, if charger is detected (level)

1 : Exit of Power OFF mode, if charger insertion is

detected (rising edge only)

5:4

res_timer

b00

Set RESTime, after the last regulator has started

0 : RESTIME=10ms

1 : RESTIME=50ms

2 : RESTIME=100ms

3 : RESTIME=150ms

3sd1_fsel

Selects between high and low frequency range

0 : 1 MHz if sd1_frequ=0, 3MHz if sd1_frequ=1

1 : 2 MHz if sd1_frequ=0, 4MHz if sd1_frequ=1

sd1_fast

Selects a faster regulation mode for SD1 suitable

for larger load changes.

0 : Normal mode, Cext=10

μF

1 : Fast mode, Cext=22

μF required

power_off_at_

vsuplow

Switch into Power off mode if low VSUP is detected

during active or standby mode

(Pin ON = low and bit auto_off = 0)

0 : If low VSUP(ResVoltFall) is detected, enter VSUP

Debounce state, continuously monitor VSUP voltage and

startup if VSUP voltage is above ResVoltRise

1 : If low VSUP(ResVoltFall) is detected, enter power OFF

mode

i2c_deva_bit1

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