
ADC input0 (Battery type)
Warm Boot Reset (open drain
output)
Enable signal for external LDO
ADC input1 (General-purpose ADC
input)
Analogue microphone bias 1
Predriver output right P for external
class-D amplifier
Auxiliary audio input right
Predriver output left P for external
class-D amplifier
Power supply (3V - 4.2V 1.5A)
Input; detect a control command to
start or stop the system
Power supply (3V - 4.2V 1.5A)
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