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DEMOEM User Manual
5
LCD and UI:
•
3V LCD Glass
•
Jumpers (J25) to configure front and back plane selection
•
4 Buttons
•
4 LEDs
•
4 Touch cap pads (require software developed for touch sensing with
standard I/Os)
Independent RTC:
•
Coin-cell (CR2032) lithium battery holder with connection to
MCF51EMxx VBAT pin
•
Tamper button connected to TAMPER pin
•
32.768 kHz Crystal with its circuitry connected in EXTAL1 and XTAL1
pins
•
Optional crystal footprint on DCF51EM256 daughter card (not
populated)
•
Piezo buzzer for IRTC alarm
Analogue Signal Syntheses:
•
MC9S08QE8 (20-pin SOIC) with:
•
Three Potentiometers
•
6 PWM outputs with low-pass filters in order to generate 60/50 Hz
signals connected to Nucleus ADC inputs via jumpers
•
6 LEDs, one for each PWM output
•
1 LED connected to a GPIO
•
3 buttons
Serial Communication:
•
IR interface (Tx and Rx). Connected with SCI1. (External circuitry