Chapter 5. Product Structure 5 – 25
5.6.1.2. Specification
• Input part
Consists of Key Switch, Encoder, and Trackball
• Control part
① ATMEGA640(8bit Microcontroller)
Processes input data and relays it to the CP_USB B/D.
② MAX II EPM1270 (Altera CPLD)
– Touch Panel power on/off Control
– LED outputs / Knob control
– Trackball power on/off control
③ PIC18F14K50 (USB Mouse Controller)
Track ball interface
• CP_USB Part
User USB 2 Port
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