l max voice file : 700
l max trigger groups : 63
l power on trigger group :1
l max step : 700
l signal step mute length : 0.64 s ( 6k sample rate )
l operating voltagerange: 2.4v ~3.6v
l total voice duration :20”(120k samples)
l i/opin :4
l voice output: pwmor dac
l sequentialkey : tg1->32groups.
tg2 -> 29groups.
tg3,tg4-> 1 group
l debounce time: 50 us or 10 ms
l on/off function : only for all tg pin
l sequential key for volume control function.
l step can change trigger i/o type, trigger mode & output status.
l hardware trigger group repeat function.
l simple programming function :
n (a) write data to working register.
n (b) working register increasing.
n (c) step jump by working register / volume status.
l three mode trigger ic:
- key stand-alone trigger mode :
- edge/level
- hold/unhold
- retrigger/irretrigger
- serial trigger mode :
combinations of tg1 and tg2 to trigger maximum 63 voice group.
- cpu command mode :
user command through tg1,tg2,tg3 & tg4 with serial cpu interface to control the multi-playback function.