User's Manual

Page 8
BitaTek Co., Ltd. Copyright protected. All rights reserved.
NO. 115 Wugong 3rd Rd., Tel +886 2 2298 8588
Wugu Dist., New Taipei City 248, Taiwan (R.O.C.) Fax+886 2 2290 0029
3.2. Module Block Diagram
3.3. Pin Definition
AI : Analog input ; AO : Analog output ;
DI : Digital input ; DO : Digital output
PI : Power input ; PO : Power output
Pin
Number
Wakeup
Pad
Type
Functional description
Power
W18
PI, PO
Input power from selected
source, or output during
USB-OTG.
W19
PI, PO
Input power from selected
source, or output during
USB-OTG.
X18
PI, PO
Input power from selected
source, or output during