SM1350 Ver la hoja de datos (PDF) - Nippon Precision Circuits
Número de pieza
componentes Descripción
Lista de partido
SM1350 Datasheet PDF : 21 Pages
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SM1350 series
PIN DESCRIPTION
Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Name
VDD
S0
S1
S2
S3
MODE
LH
STOP
STN
BUSYN
CT
ICN
VSS
VOL
SPN
SP
MSB
MSBN
T1N
T2N
T3N
TO
XTN
XT
I/O State1
Description 2
–
– Supply pin
I
SU
I
SU Binary select mode: Phrase select pins.
I
SU Serial select mode: S0 and S1 control melody output.
I
SU
I
SU Melody select mode control. Binary mode when LOW, and serial mode when HIGH.
I
SU Melody output mode control. One-shot when LOW, and level hold when HIGH.
I
U or O
One-shot melody mode: Melody output stop control.
Level hold melody mode: Invalid input.
I U or O Melody start control
O
C Busy output signal. LOW when a melody is output.
O
C External control pulse output
I
U Initialization clear input
–
– Ground pin
I
– Volume adjust control. Volume adjusted using an external resistor.
O
P
9-bit D/A converter output in BTL output mode.
VOL current output in A-class output mode.
O
P
BTL output mode: 9-bit D/A converter output.
A-class output mode: 10-bit D/A converter output.
O
C BTL output mode: Signed-bit output. HIGH when no melody is output.
I
U A-class output mode: BUSYIN input
O
C
BTL output mode: Signed-bit output. HIGH when no melody is output.
A-class output mode: ENDN output. HIGH when no melody is output.
I
U
I
U Test signal inputs
I
U
O
C Test signal output. 62.5 kHz output when not in test mode.
O
– Oscillator output
I
– Oscillator input
1. U = pull-up resistor connection, SU : pull-up resistor connection only when melody output starts,
P = p-channel open drain, C = complementary output.
U or O = pull-up resistance or open drain (master slice)
2. BTL/A-class output mode is selected by mask option.
NIPPON PRECISION CIRCUITS—3
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