Holtek HT98R068 Manual page 6

Audio Processor Reset Flow
Flow description:
<CTRL2[4]>: This is the audio processor reset bit. The correct reset sequence is 101,
with two non operational instructions in between.
<Delay100ms~300ms>: This is the audio processor initial time. Any SPI data transmitted
during this period may be overwritten by the audio processor and become invalid.
Audio Processor Turn on Timing
Note: Fsys_Audo = Audio processor f
HT98R068 Two-way Radio MCU
.
SYS
Audio Processor Turn on Time
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