HT3015A
Functional Description
KEY2~KEY16
KEY1
KEY2~KEY16 can individually play a section of
the 15 built-in demo-rhythms 4 times continu-
ously. Their corresponding rhythms are as fol-
lows:
KEY No.
KEY2
KEY3
KEY4
KEY5
KEY6
KEY7
KEY8
KEY9
KEY10
KEY11
KEY12
KEY13
KEY14
KEY15
KEY16
Rhythm
Latin fusion 1
Latin fusion 2
Latin ballad 1
Latin ballad 2
Latin ROCK 1
Latin ROCK 2
Latin fusion 3
Samba 1
Samba 2
Son afro
Mambo
Latin ROCK 3
Rhumba
Cha Cha
Samba 3
KEY1 is a sequential input key. Pressing this
key once plays the first rhythm, and re-pressing
it plays the second rhythm, and so forth. Any
key of KEY2~KEY16 can be pressed to reset
KEY1 (return to the first section of the first
group).
KEY priority
KEY1 > KEY2 > KEY3 > .......... > KEY15 >
KEY16
KEY features
Pull-high resistance: 100k
Ω
Key-in debounce time: 22 ms
FLAG
3Hz flashing LED output during the playing of
the IC, active low, NMOS open drain output
Timing Diagram
4
25th June ’96
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
