SM1350 series

NIPPON PRECISION CIRCUITS—10

Pin Functions

Binary select mode (MODE = LOW)

A melody (1 to 16) is selected according to the condition (H or L) of each 4 terminals (S0 to S3).

Note:Don’t select any address with no melody recorded.

One-shot melody output (LH = LOW)

S3

S2

S1

S0

ST

Melody

S3

S2

S1

S0

ST

Melody

H

H

H

H

1st melody

L

H

H

H

9th melody

H

H

H

L

2nd melody

L

H

H

L

10th melody

H

H

L

H

3rd melody

LHLH

11th melody

H

H

L

L

4th melody

L

H

L

L

12th melody

H

L

H

H

5th melody

L

L

H

H

13th melody

H

L

H

L

6th melody

L

L

H

L

14th melody

H

L

L

H

7th melody

L

L

L

H

15th melody

H

L

L

L

8th melody

LLLL

16th melody

Note: Refer to the "TIMING DIAGRAMS" section to confirm melody timing specifics

Figure 6. One-shot mode (binary select)

STN

S0 to S3

#N

#N

#M

#M

Melody

Output