- /a/4 -- Digital
- /b/6,7 -- Digital
- /c/0 -- Digital
- /c/1,2 -- Digital, Hardware PWM
- /c/6,7 -- Digital, TTL Serial
- /d/0-7 -- Digital
- /an/0-12 -- Analog
- /an/10 -- I2C Clock
- /an/12 -- I2C Data
- /pgm -- Digital Input-only (physically maps to RB5)
# Status LED:
One LED, Red
# ADC:
13 channels analog input. The PIC18F4550 version has a 10-bit ADC, the newer PIC18F4553-based CUI has a 12-bit ADC.
# Power
Processor requires USB bus power. Peripherals can be switch to external supply.
# ICSP Port
Standard 0.1" header.
# USB Program Mode
1. Press and hold PRG
2. Press and release Reset
3. Release PRG
Red LED S2 will blink rapidly when program mode is active. On the USB bus it will appear as "Composite Device from Microchip Technology Inc", VID = 0x04D8, PID = 0x000B.
