MSSI121-2 Datasheet, PDF (1/1 Pages) Mosel Vitelic, Corp – 12 Instant Voice VROM

MOSEL VITELIC INC.
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
MSSI121
12" Instant Voice VROM
Repeat pin was provided to keep audio output
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 o
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
LED/STP
CONTROL
LOGIC
CLOCK
OSC
GENERATOR
TIMING
GENERATOR
TRIGGER
TABLE
ADDRESS
GENERATOR
MPCM
DECODER
VOICE
ROM
CURRENT
BUFFER
BUZZER
BUFFER
C _OUT
V_OUT1
V_OUT2
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: [phone]
FAX: [phone]
FAX: [phone]
Taipei
7F, #102 Sec. 3,
Ming Chung E. Road,
Taipei,105
Taiwan, ROC
TEL: [phone]
FAX: [phone]
Hongkong
#19 Dai Fu Street,
Taipo Industrial Estate,
Taipo, N.T.
Hongkong
TEL: [phone](MKO)
TEL: [phone]
FAX: [phone]
FAX: [phone](MKO)
Specifications subject to change without notice, contact your sales representatives for the most recent information.
1/1
U.S.A.
#3910 North First Street,
San Jose,
CA. 65134-1501
U.S.A.
TEL: [phone]
FAX: [phone]
(PID 224B 04/96)