2-4. 13 MHz Clock
The 13 MHz-clock (END3352B) consists of a TCXO (Temperature Compensated Crystal Oscillator)
which oscillates at a frequency of 13MHz.
It's used within the W3000 Synthesizers, Communication Protocol processor (CPP), and Super Chip 1
(SC1689).
NC7S04 buffer the output to CPP, SC1 and W3000.
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