AS3715 datasheet(92/159 Pages) AMSOSRAM

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ams Datasheet

Page 91

[v1-03] 2015-Aug-10

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AS3715 − Register Description

Figure 95:

LDO8Voltage

Figure 96:

GPIO1control

Addr:0bh

LDO8Voltage

Bit

Bit Name

Default

Access

Bit Description

ldo8_ilimit

Sets limit of LDO8

0 : 150mA operating range

1 : 300mA operating range

6:0

ldo8_vsel

b0000000

The voltage select bits set the LDO output voltage

0.825V...3.3V, 25mV steps

00h : LDO OFF

01h-24h : V_LDO8=0.8V+ldo8_vsel*25mV

25h-3fh : do not use

40h-7eh : V_LDO8=1.725V+(ldo8_vsel-40h)*25mV

7fh : V_LDO8=VIN_LDO78 (ldo8_sw_on=1)

Addr:0ch

GPIO1control

Bit

Bit Name

Default

Access

Bit Description

7gpio1_invert

Invert GPIO input/output

0 : Normal mode

1 : Invert input or output

6:3

gpio1_iosf

b0000

Select the GPIO special function

0 : Normal I/O operation

1 : Interrupt output

2 : VSUP_low output

3 : GPIO interrupt input

4 : Current sink PWM input

5 : Vselect input, (apply on RegSelect1 and RegSelect2 and

RegSelect3, if GPIO2_iosf=5 then apply on RegSelect1

only)

6 : standby + Vselect + GPIO restart interrupt input

7 : pwr_good output

8 : 32 kHz output (derived from oscillator)

9 : Watchdog input

10 : Charger active output

11 : EOC output

12 : 100/841mA charger input

13 : 841mA/2.5A charger input

14 : PWM output

15 : Charging_enable input

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