HT812L0
♦ Busy output
When voices are playing, the FLAG pin is
turned low and the FLAG LED is switched
on. Once the voice output is terminated,
FLAG becomes a floating output and the
FLAG LED is switched off.
♦ Sound level display
The brightness of the LED will vary with
the volume in the voice output state.
Programmable items
• Voice section
• Tempo
• Decay time and envelope shape
There are four programmable envelope
shapes and decay time to smooth out tone and
melody sounds.
♦ Decay time: 2 sec, 1 sec, 0.5 sec, 0.25 sec
♦ Tone shape: tone+2kHz, noise, tone, silence
• Trigger mode: retriggerable/non-retriggerable
• REPEAT function
• FLAG1 outputs, 3Hz/6Hz/Busy/Off
7
5th May ’98