Semiconductor MSM6654 DEMO BOARD Semiconductor MSM6654 Demonstrat

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Semiconductor MSM6654 DEMO BOARD Semiconductor MSM6654 Demonstrat

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E2D0065-39-21
Semiconductor MSM6654 DEMO BOARD
Semiconductor MSM6654 Demonstration Board
This version: Feb. 1999 MSM6654 DEMO BOARD Previous version: 1997
BOARD DESIGN
Power Source POWER OSC3 Speaker jack
20-pin connector, FC20A2MS Electric Cable
MSM6654
RESET
BOARD FEATURES
Standalone/microcontroller interface switching jumpers XT/CR switching jumpers jumpers used select operation standalone mode operation microcontroller interface mode. jumpers used select oscillation crystal oscillation. When standalone mode used, oscillation, jumpers lower right side three jumpers lower side. crystal oscillation, jumpers upper right side three jumpers upper side. When microcontroller used, only oscillation settable. jumpers upper left side three jumpers upper side. BUSY/NAR switching jumper When jumper turned right side, BUSY signal output from 17of 20pin connector. When jumper turned left side, signal output from same pin. When standalone computer used, turn jumper right side. AMP/TR switching jumpers amplify analog signal which output from AOUT, with transistors, jumpers right side. amplify with amplifier, turn jumpers left.
Semiconductor
MSM6654 DEMO BOARD
20-pin connector necessary signals connected 20-pin connector when microcontroller used. connector pins arranged shown below.
Connector Signal DVDD DVDD DVDD Connector Signal RESET BUSY/NAR
Address specification switch When standalone mode used, select word played this switch. this switch correspond A0-A2 binary data. When microcontroller used, switch Frequency check (OSC3) This monitors checks oscillation frequency. Variable resistor (VR1) adjusting frequency oscillation. This variable resistor change frequency oscillation. When resistor turned right, frequency goes low. When resistor turned left, frequency goes high. this case, frequency monitored OSC/VDD switching jumper jumper left side. Speaker amplifier volume (VR2 shared AMP/TR) Turn volume switch right increase sound volume. Turn volume switch left reduce sound volume. Complete input interface When standalone computer used, press buttons play voices corresponding SW3-SW0. Press lower left button (random voice playback button) play voices that randomly selected from types phrases corresponding SW3SW0. But, when switch pressed while turning power during input RESET, firstly voice playback made starting from phrase beyond secondly made randomly.
Semiconductor
CIRCUIT DIAGRAM
DVDD
DVDD
RESET BUSY
DVDD MSM6654 AVDD
AVDD
DVDD
18PIN
AOUT
MSC1192
0.02 HIT8050 2SD467 OSC3
DVDD DGND CPU/CR/XT
STBY
DGND
0.01
AGND
AVDD
RESET
AGND
AVDD POWER 10D1 AGND POWER LED1 DGND DVDD
DVDD
MSM6654 DEMO BOARD
DGND BUSY/NAR BUSY BUSY
DGND
4.096 DGND
CR/XT
Semiconductor
MSM6654 DEMO BOARD
PATTERN LAYOUT
Silk Screen
(Unit:
Semiconductor Mounting Side
MSM6654 DEMO BOARD
Semiconductor Solder Side
MSM6654 DEMO BOARD
E2Y0002-29-11
NOTICE
information contained herein change without notice owing product and/or technical improvements. Before using product, please make sure that information being referred up-to-date. outline action examples application circuits described herein have been chosen explanation standard action performance product. When planning product, please ensure that external conditions reflected actual circuit, assembly, program designs. When designing your product, please product below specified maximum ratings within specified operating ranges including, limited operating voltage, power dissipation, operating temperature. assumes responsibility liability whatsoever failure unusual unexpected operation resulting from misuse, neglect, improper installation, repair, alteration accident, improper handling, unusual physical electrical stress including, limited exposure parameters beyond specified maximum ratings operation outside specified operating range. Neither indemnity against license third party's industrial intellectual property right, etc. granted connection with product and/or information drawings contained herein. responsibility assumed infringement third party's right which result from thereof. products listed this document intended general electronics equipment commercial applications (e.g., office automation, communication equipment, measurement equipment, consumer electronics, etc.). These products authorized system application that requires special enhanced quality reliability characteristics system application where failure such system application result loss damage property, death injury humans. Such applications include, limited traffic automotive equipment, safety devices, aerospace equipment, nuclear power control, medical equipment, life-support systems. Certain products this document need government approval before they exported particular countries. purchaser assumes responsibility determining legality export these products will take appropriate necessary steps their expense these. part contents cotained herein reprinted reproduced without prior permission. MS-DOS registered trademark Microsoft Corporation.
Copyright 1999 Electric Industry Co., Ltd.
Printed Japan

Semiconductor MSM6654 DEMO BOARD Semiconductor MSM6654 Demonstrat

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