Casio CTK-573 - Key Manual Sections Overview; Lessons, Memory, and Settings; Troubleshooting and Specifications

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DAC (IC1: UPD6379GR)
The DAC receives 16-bit serial data output from the CPU. The data contains digital sound data of the
melody, chord, bass, and percussion for the right and left channels. The DAC converts the data into
analog waveforms and output them to each channel separately.
Data
Word clock
Bit clock
DAC
IC1
UPD6379GR
CPU
LSI4
GT913F
L OUT
R OUT
SI
LRCK
CLK
SO
LRCK
BCK