Mosel Vitelic MSSI121 Datasheet
MOSEL VITELIC INC.
t
o
MSSI121
April 1996
Features
Single power supply can operate at 2.4V
through 6V.
Current output can drive 8 ohm speaker with a
transistor, Vout can drive buzzer directly.
The voice content is stored for 7-12 seconds for
SI121 including mute and is single section / phrase
and single trigger.
Automatic power down.
A phrase is composed of repetitive sections.
Interrupt function (INTP) stops the audio output
at once.
An LED function with 3Hz flash is provided to
tell the audio status.
A STOP pulse comes out when audio signal is
finished.
CDS input interface with 10ms debounce is
provided for trigger pin, REP pin and INTP pin.
Block Diagram
INTP
REP
V
DD
12" Instant Voice VROM
Repeat pin was provided to keep audio outpu
repeating.
Built-in power on play function and is
programmable.
Programmable option for either Retrigger or not.
Programmable option for either Level or Edge trigger
type.
Programmable option for either Holdable
Unholdable output type.
Programmable option for repeat times up to 8 times.
Programmable option for either LED display or STOP
pulse on LED/STP pin.
SI121 can be programmed by MSM9159, MSM9156,
MSM9141S, MSM9140 & MSM9139.
V
SS
TG
CONTROL
TIMING
GENERATOR
ADDRESS
GENERATOR
LOGIC
LED/STP
OSC
CLOCK
GENERATOR
TRIGGER
TABLE
MPCM
DECODER
See 15-page data sheet PID 224B 04/95 for details which belongs to MSSI241.
Taiwan
#1, Creation Road I,
Science - based Industrial Park,
Hsinchu, 30077
Taiwan, ROC
"audio_reply @ccmail.mosel.com.tw"
TEL: 886-3-5770055
FAX: 886-3-5772788
FAX: 886-3-5784732
Taipei
7F, #102 Sec. 3,
Ming Chung E. Road,
Taipei,105
Taiwan, ROC
TEL: 886-2-5451213
FAX: 886-2-5451214
Hongkong
#19 Dai Fu Street,
Taipo Industrial Estate,
Taipo, N.T.
Hongkong
TEL: 852-2388-8277(MKO)
TEL: 852-2665-4883
FAX: 852-2664-2406
FAX: 852-2770-8011(MKO)
VOICE
ROM
CURRENT
BUFFER
BUZZER
BUFFER
U.S.A.
#3910 North First Street,
San Jose,
CA. 65134-1501
U.S.A.
TEL: 1-408-433-6000
FAX: 1-408-433-0952
C
V
V
OUT
OUT1
OUT2
Specifications subject to change without notice, contact your sales representatives for the most recent information.
1/1
(PID 224B 04/96)
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