SM1350XXXM 查看數據表（PDF） - Nippon Precision Circuits

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SM1350XXXM

High Tone Quality Melody LSI

Nippon Precision Circuits  

SM1350 series

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).

S3 S2 S1 S0 ST

HHHH

HHHL

HHLH

HHL L

H L HH

HLHL

HLLH

HLLL

H : VDD level, L : VSS level

Melody

1st melody

2nd melody

3rd melody

4th melody

5th melody

6th melody

7th melody

8th melody

S3 S2 S1 S0 ST

LHHH

LHHL

LHLH

LHLL

L LHH

LLHL

LLLH

LLLL

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

One-shot melody output (LH = LOW)

Melody

9th melody

10th melody

11th melody

12th melody

13th melody

14th melody

15th melody

16th melody

STN

S0 to S3

#N

#M

Melody

Output

#N

#M

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

Figure 6. One-shot mode (binary select)

NIPPON PRECISION CIRCUITS—10

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