YMF795 Datasheet, PDF (26/45 Pages) YAMAHA CORPORATION – APL-2 Automobile sound Player-2

■State Transition
The figure shown below is a state transition diagram of the YMF795.
YMF795
Analog PowerON
Ready
Power Off
Power On
Digital PowerON
Ready
Power On
Hardware Reset
Initialized
Write Setup Data
Analog
PowerDown mode
Digital
PowerDown mode
STOP
STOP
START
FIFO Data Write
PLAY
Standby
Play
Sequence to turn the power supply on.
A way to turn the analog side power on after turning the digital side power on to initialize the hardware is ideal. If the
analog power supply is turned on before the hardware is initialized, noise may be generated.
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