sm1350 Nippon Precision Circuits Inc, (NPC), sm1350 Datasheet - Page 17
sm1350
Manufacturer Part Number
sm1350
Description
High Tone Quality Melody Lsi
Manufacturer
Nippon Precision Circuits Inc, (NPC)
Datasheet
1.SM1350.pdf
(21 pages)
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TIMING DIAGRAMS
One-shot Melody Mode
S0 to S3
BUSYN
Melody
Output
MODE
ENDN
STOP
LH
OSC
STN
MELODY
OUTPUT
S0 to S3
BUSYN
MODE
#M
OSC
LH
STN
ICN
t
CH2
t
STW
t
ICW
(Refer to AC CHARACTERISTICS)
Figure 18. One-shot mode (retrigger to melody stop)
Figure 17. One-shot mode (standby to melody start)
t
t
MR
SR
#N
t
XST
t
PYST
SM1350 series
t
STW
t
CH1
t
DAST
#N
t
t
STPW
CH2
t
t
MR
SR
t
t
BYEN
EDST
#N
NIPPON PRECISION CIRCUITS INC.—17
t
EDW
t
BYST
t
PYST
t
t
DEAN
XEN
#N