User's Manual

Version1.4
35 P32 Analog
ground
Analog ground
36 RST I/O,PU
Active-low system reset with open-drain output
and internal pull-up resistor.
37 P27 Input
• GPIO: P27
• Keyboard scan output (column): KSO19
• SPI_1: MOSI (master and slave)
• Optical control output: QOC1
• Triac control 2
Current: 16 mA sink
38 P26 Input
• GPIO: P26
• Keyboard scan output (column): KSO18
• SPI_1: SPI_CS (slave only)
• Optical control output: QOC0
• Triac control 1
Current: 16 mA sink
39 VDD Input
Supply Voltage input ,1.8V～3.6V
40 NC NC
NC
41 GND Ground
Ground
42 GND Ground
Ground
43 RFOUT Output
RF antenna port
44 GND Ground
Ground
45 GND Ground
Ground
46 GND Ground
Ground