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XC-1A Hardware Manual (1.2)
7 Speaker [G]
The XC-1A has a speaker. The layout of the speaker is shown below.
Audio signals are generated by filtering pulse width modulated (PWM) digital signals
to form an analogue waveform, which is amplified and sent to the speaker, as shown
below:
The speaker pin is mapped to a port on processor 0, as shown in the table below.
X0D34
FILTER
Pin
Port
1b
X0D34
P1K0
www.xmos.com
AMPLIFIER
SPEAKER
Processor
0
PORT_SPEAKER
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