AS3701 datasheet(64/110 Pages) AMSOSRAM

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ams Datasheet

Page 63

[v1-11] 2016-Dec-14

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AS3701 − Register Description

Figure 70:

GPIO1control

Addr:09h

GPIO1control

Bit

Bit Name

Default

Access

Bit Description

gpio1_invert

Invert GPIO1 input/output

0 : Normal Mode

1 : Invert input or output

6:4

gpio1_mode

b011

Selects the GPIO1 mode (I, I/O, Tri, Pulls)

0 : Input

1 : Output (push and pull)

2 : IO(open drain, only NMOS is active)

3 : Input (tristate)

4 : Input with pullup

5 : Input with pulldown

6 : IO(open drain(NMOS)with pullup)

7 : CURR1

3:0

gpio1_iosf

b0000

Selects the GPIO1 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 reg1_select and reg2_select, if

gpio2_iosf=5 then apply on reg1_select only)

6 : standby+Vselect+restart interrupt input

7 : pwr_good output

8 : 11mA(TrickleCurrent=0), 133mA(ConstantCurrent=2) /

23mA(TrickleCurrent=1), 223mA(ConstantCurrent=4)

9 : 35mA(TrickleCurrent=2), 358mA(ConstantCurrent=7) /

47mA(TrickleCurrent=3), 494mA(ConstantCurrent=10)

10 : Charger active output

11 : EOC output

12 : 100mA(usb_Current=0) / 500mA(usb_Current=8)

13 : 800mA(usb_Current=11) / 1100mA(usb_Current=13)

14 : PWM output

15 : Charger enable input

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