AS3715 datasheet(95/159 Pages) AMSOSRAM

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[v1-03] 2015-Aug-10

AS3715 − Register Description

Figure 99:

GPIO4control

Addr:0fh

GPIO4control

Bit

Bit Name

Default

Access

Bit Description

7gpio4_invert

Invert GPIO input/output

0 : Normal mode

1 : Invert input or output

6:3

gpio4_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)

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 : 100/84841 charger input

13 : 841mA/2.5A charger input

14 : PWM output

15 : Charging_enable input

2:0

gpio4_mode

b011

Selects the GPIO mode (I, I/O, Tri, Pulls)

0 : Input

1 : Output (push and pull)

2 : Output/Input (open drain, only NMOS is active)

3 : ADC input (Tristate)

4 : Input with pullup

5 : Input with pulldown

6 : Output/Input open drain (NMOS) with pullup,

7 : ADC input with pulldown

AS3715 Datasheet(PDF) 95 Page - ams-OSRAM AG

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