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參數(shù)資料
| 型號(hào)： | SM1350 |
| 廠商： | Seiko NPC Corporation |
| 英文描述： | High Tone Quality Melody LSI |
| 中文描述： | 高音質(zhì)LSI的旋律 |
| 文件頁(yè)數(shù)： | 1/21頁(yè) |
| 文件大?。?/td> | 214K |
| 代理商： | SM1350 |
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SM1350 series
NIPPON PRECISION CIRCUITS—1
NIPPON PRECISION CIRCUITS INC.
High Tone Quality Melody LSI
OVERVIEW
The SM1350 series are single-chip high tone quality
melody ICs, fabricated using NPC’s Molybdenum-
gate CMOS process. Melodies are selected in serial
or binary (parallel) mode, up to a maximum of 16
melody blocks. There are 4 sound generators
incorporated to produce 4 kinds of output tone
controlled by 16-tone data, making these ICs ideal
for mechanical clocks and similar applications where
high tone quality output is demanded.
FEATURES
I
Basic Functions
4.0 MHz oscillator frequency
Power-save function
- Oscillator stopped when no output
- S0 to S3, MODE, LH pull-up resistors open
BTL or A-class outputs
Chattering prevention circuit (STN, STOP, S0
to S3)
10-bit D/A converter
Sound Generator Functions
DWS (dual wave synthesis) sound generators
4 simultaneous sounds for 4 tones
G2 to F#7 note range
16-tone programmable
Melody Functions
Up to 16 programmable melodies (singly or in
medleys)
1024-step length (notes, rests, jumps, end
codes)
Level hold/one-shot melody modes
Serial/binary (parallel) select modes
4.8 to 605.6 tempo range in 127 steps
12 rhythm values
I
I
Ties and slurs programmable
Control Signal Outputs
BUSYN signal LOW during melody output
CT signal output for external control
2.4 to 5.5 V supply voltage
Package
24-pin SSOP (SM1350
Molybdenum-gate CMOS
I
I
I
×××
)
I
PINOUT
(TOP VIEW)
PACKAGE DIMENSIONS
24-pin SSOP (Unit: mm)
ORDERING INFOMATION
3
3
h
q .
h
h .
w
Device
Package
SM1350
×××
M
24pin SSOP
VDD
S0
S1
S2
S3
MODE
LH
XT
XTN
TO
T3N
T2N
T1N
MSBN
MSB
SP
SPN
VOL
VSS
S
STOP
STN
BUSYN
CT
ICN
1
12
13
24
0.7
0.8
0.36 0.10
10.20 0.30
10.05 0.20
0
2
1
7
5
0.15
+
0.1
0 10
0.50 0.20
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