Integrated Circuits Inc.
aP23KWC28S USB Writer User Guide
Page 8 of 33
5/6/2016
20. Select PWM voice output volume.
---Select PWM high volume.
21. Select IC operating voltage at PWM (VOUT).
--- Low Voltage: 3V, High Voltage: 4.5V.
22. IC body configures advanced function.
23. Select SBT pin swap. (for 8pin device only).
--- Select (SBT as OUT1) or (SBT as KEY3).
--- SBT as OUT1: Busy-H/L, Stop-H/L, LED Flash (LED high active),
~LED Flash (LED low active), Prog-BusyH/L, Load.
S3 ( pin7 )
S2 ( pin6 )
Group
SBT = OUT1
0
1
SW1
Busy-H/L
Stop-H/L
LED ……
1
0
SW2
1
1
SW3
--- SBT as Key3:
SBT ( pin5 )
S3 ( pin7 )
S2 ( pin6 )
Group
0
0
1
SW1
0
1
0
SW2
0
1
1
SW3
1
0
0
SW4
1
0
1
SW5
1
1
0
SW6
1
1
1
SW7
24. Select power on play.
--- Power on play [sw0] group once.
25. Select SBT loop. (At SBT mode).
--- Enable: The SBT pin sequential trigger & loop play.
--- Disable: The SBT pin sequential trigger & play once.
*Note: Voice function (Trig Level) must select Level.
26. Select volume control function.
--- Select the volume control Level x16 / x8 / x4.
27. SBT pin act play/pause or play/stop function for MP3 mode.
28. Select if using pin S4 as data output pin.
--- The SPI mode or I2C mode of data output for 24 pin IC body and 16 pin IC body.
