HT3015 datasheet(4/6 Pages) HOLTEK

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Timing Diagram

Functional Description

KEY2~KEY16

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.

Rhythm

KEY2

Latin fusion 1

KEY3

Latin fusion 2

KEY4

Latin ballad 1

KEY5

Latin ballad 2

KEY6

Latin ROCK 1

KEY7

Latin ROCK 2

KEY8

Latin fusion 3

KEY9

Samba 1

KEY10

Samba 2

KEY11

Son afro

KEY12

Mambo

KEY13

Latin ROCK 3

KEY14

Rhumba

KEY15

Cha Cha

KEY16

Samba 3

KEY1

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

HT3015A

25th June ’96

HT3015 Datasheet(PDF) 4 Page - Holtek Semiconductor Inc

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