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XC-1A Quick Start Guide (1.0)
5 XC-1A Pre-loaded Demonstrations
The XC-1A runs pre-loaded demonstration code on power up. The default behaviour
is to twinkle the bi-colour clock LEDs around the XS1 chip and to pulse the LEDs next
to the buttons. Press any of the four buttons to launch a simple demo application.
5.1 Button A: Clock
Displays a clock on the clock LEDs with the hands as follows:
The 12 clock LEDs on the XC-1A provide 5-second resolution. When the clock is
running use the buttons as follows:
5.2 Button B: Simple Audio Synthesizer
Press buttons B-D to generate different tones. Press A to return to the default LED
demo.
5.3 Button C: Reaction Game
A simple reaction game. The red LED cycles around the clock face. After a varied
delay a LED will illuminate green. The aim of the game is to press button D when the
red LED is over the green LED. The game speeds up as you progress. There are five
levels to the game and the current level is shown on the four button LEDs. Press A to
return to the default LED demo.
Red
Minutes
Green
Hours
Orange
Seconds
A
Return to default LED demo
B
Speed up clock to set time
C
Tick-tock sound on
D
Tick-tock sound off
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