Doc Title
Linkplay WiFiAudio-A76 Specification
Number
WMB20170117
Version
1.2
Document No.: WMB20170117
Page 16 of 21
Power on Sequence #1:
Step 1: Input 1.8V~3.3V power from DC IN or Battery to “VDDRTC” pin, then RTC power domain turns active
Step 2: Input a pulse (low level active, more than 160ms) to “WKUP_N” pin
Step 3: Once A76 gets this pulse , it will continuously output a high level signal from PWNON pin to turn on every
DCDC/LDO
Step 4: DCDC on, 5V power supply to A76 5VIN pin
Step 5:A76 generate every power voltage needed inside the module
Step 6:A76 generate power-on reset inside the module, system boot up