AS3701 datasheet(49/110 Pages) AMSOSRAM

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[v1-11] 2016-Dec-14

AS3701 − Detailed Description – System Functions

Interrupt Output

GPIOx pin logic state is derived from the interrupt signal XIRQ.

Whenever an interrupt is present the GPIOx pin will be pulled

high.

The gpioX_mode [GPIOxcontrol] should be set to output.

The gpioX_iosf [GPIOxcontrol] should be set to Interrupt output.

For GPIO1 and GPIO2, the Interrupt output signal can be

visualized via the Current sinks. In this case the gpioX_mode

[GPIOxcontrol] should be set to CURRx.

VSUP_low Output

GPIOx pin will go high, if VSUP falls below ResVoltFall and

SupResEn [Battery_voltage_monitor] = 0.

The gpioX_mode [GPIOxcontrol] should be set to output.

The gpioX_iosf [GPIOxcontrol] should be set to VSUP_low output.

For GPIO1 and GPIO2, the VSUP_low output signal can be

visualized via the Current sinks. In this case the gpioX_mode

[GPIOxcontrol] should be set to CURRx.

PWRGOOD Output

This signal will go high at the end of the start-up sequence. This

can be used as a second reset signal to the processor to e.g.

start oscillators.

The gpioX_mode [GPIOxcontrol] should be set to output.

The gpioX_iosf [GPIOxcontrol] should be set to Pwr_good output.

For GPIO1 and GPIO2, the Pwr_good output signal can be

visualized via the Current sinks. In this case the gpioX_mode

[GPIOxcontrol] should be set to CURRx.

Charger Active Output

When selected, the GPIOx will go high if the charger is active.

The gpioX_mode [GPIOxcontrol] should be set to output.

The gpioX_iosf [GPIOxcontrol] should be set to Charger active

output.

For GPIO1 and GPIO2, the Charger active output signal can be

visualized via the Current sinks. In this case the gpioX_mode

[GPIOxcontrol] should be set to CURRx.

EOC Output

When selected, the GPIOx will go high if the charger has reached

the EOC state.

The gpioX_mode [GPIOxcontrol] should be set to output.

The gpioX_iosf [GPIOxcontrol] should be set to EOC output.

For GPIO1 and GPIO2, the EOC output signal can be visualized

via the Current sinks. In this case the gpioX_mode [GPIOxcontrol]

should be set to CURRx.

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