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| MOSEL VITELIC INC. 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. 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 V SS TG CONTROL LOGIC LED/STP TIMING GENERATOR ADDRESS GENERATOR VOICE ROM TRIGGER TABLE CLOCK GENERATOR MPCM DECODER CURRENT BUFFER BUZZER BUFFER C OUT V OUT1 V OUT2 OSC 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) 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 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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