Semiconductor MSM6585 ADPCM Voice Synthesis This version: Se

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Semiconductor MSM6585 ADPCM Voice Synthesis This version: Se

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E2D0011-39-91 Semiconductor
Semiconductor MSM6585
ADPCM Voice Synthesis
This version: Sep. 1999 MSM6585 Previous version: May. 1997
GENERAL DESCRIPTION
MSM6585 version-up product MSM5205 voice synthesis Mainly improved points improvement precision internal converter, built-in low-pass filter, expansion sampling frequency. MSM6585 does include control circuit drive external memory similar MSM5205. Therefore, MSM6585 connected with only semiconductor memories, other memory media (CD-ROM, etc.) control CPU.
FEATURES
4-bit ADPCM method Built-in 12-bit converter Built-in low-pass filter (LPF) (-40dB/oct) Sampling frequencies: 4k/8k/16k/32kHz Master clock frequency (ceramic oscillator) 640kHz Voice data synthesis Supported voice analysis editing tools AR203 AR204 Package options 18-pin plastic (DIP18-P-300-2.54) (Product name MSM6585RS) 24-pin plastic (SOP24-P-430-1.27-K) (Product name MSM6585 GS-K) 30-pin plastic SSOP (SSOP30-P-56-0.65-K) (Product name MSM6585 GS-AK)
DIFFERENCES BETWEEN MSM6585 MSM5205
MSM6585 640kHz 4k/8k/16k/32kHz 4-bit 12-bit Included (-40dB/oct) Included 5.5V 10mA +85°C MSM5205 384kHz 4k/6k/8kHz 3-bit/4-bit 10-bit included included 6.0V +70°C
Master clock frequency: Sampling frequency: ADPCM length: Converter: Low-pass filter: Overflow preventing circuit: Power supply voltage: Operating current consumption: Operating temperature: input timing
input timing ADPCM Data
MSM6585
MSM5205
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Semiconductor
MSM6585
BLOCK DIAGRAM
4-Bit LATCH
ADPCM Synthesizer
12-Bit
AOUT
Timing Controller
TEST CIRCUIT
RESET
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Semiconductor
MSM6585
CONFIGURATION (TOP VIEW)
18-Pin Plastic
RESET AOUT
RESET
AOUT
connection
24-Pin Plastic
RESET AOUT
connection
30-Pin Plastic SSOP
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Semiconductor
MSM6585
DESCRIPTION
SSOP 7-10 Symbol D0-D3 AOUT Type Description Pins determine sampling frequency. sampling frequencies 32k, 16k, 4kHz selected combinations. (See sampling frequencies FUNCTIONAL DESCRIPTION selection combinations.) test internal circuit. this high level make open because built-in pull-up resistor. Input pins ADPCM data. test internal circuit. Make this open. test internal circuit. Make this open. Ground output analog voice from low-pass filter. Connect 0.01 capacitor this pin. (See AOUT connecting circuit FUNCTIONAL DESCRIPTION connecting circuit.) output analog voice from converter. Pins test internal circuit. these pins level make them open because pull-down resistors included. This outputs sampling frequency selected combinations voice synthesis starts stops synchronizing with VCK. Reset pin. voice synthesis circuit initialized synchronizing with RESET VCK. this high level, data inputs disabled synchronizing with VCK. AOUT pins output become state voice. connect oscillator. When external clock used, input from this pin. connect oscillator. When external clock used, make this open. Power supply pin. Insert bypass capacitor more between this pin.
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Semiconductor
MSM6585
ABSOLUTE MAXIMUM RATINGS
(GND=0 Parameter Power Supply Voltage Input Voltage Storage Temperature Symbol TSTG Condition 25°C 25°C Rating -0.3 +7.0 -0.3 VDD+0.3 +150 Unit
RECOMMENDED OPERATING CONDITIONS
(GND Parameter Power Supply Voltage Operating Temperature Master Clock Frequency Symbol fOSC Condition oscillator connection Range Unit
ELECTRICAL CHARACTERISTICS
Characteristics
(VDD=4.5 5.5V, GND=0V, Ta=-40 +85°C) Parameter Input Voltage Input Voltage Output Voltage Output Voltage Input Current Input Current Input Current Input Current Input Current Input Current Current Consumption Output Relative Error Output Impedance Load Resistance
Symbol
Condition VCK: -40mA VCK: 40mA RESET: RESET: VIL=0V XT=VIL=0V fosc=640kHz, load load
Min. -0.1 VDD-0.4 -400
Typ. -120
Max. VDD+0.1
Unit
IIH1 IIH2 IIH3 IIL1 IIL2 IIL3 VDAE RDAO RAOUT
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Semiconductor Characteristics
Parameter Original Oscillation Duty Cycle RESET Input Pulse Width Data Setup Time Data Hold Time Symbol fduty tW(RST) Condition fSAM 4kHz 8kHz =16kHz =32kHz tVCK 250ms 125ms 62.5ms =31.25ms Min. tVCK/2 Typ.
MSM6585
Max. Unit
When data shared with MSM5205, note that selection timings MSM6585 MSM5205 different. (Refer DIFFERENCES BETWEEN MSM6585 MSM5205.)
TIMING DIAGRAM
tVCK
RESET
tW(RST)
ADPCM1 ADPCM2 ADPCMN
ADPCM
internalD3 selection timings AOUT,
tVCK/8
clock rising falling edges reversed between MSM5205 MSM6588, indicated DIFFERENCES BETWEEN MSM6585 MSM5205. Note that MSM6585 cannot accept data MSM5205 controls repeat valid invalid each half cycle, when MSM5205 replaced with MSM6585.
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Semiconductor
MSM6585
FUNCTIONAL DESCRIPTION
Sampling Frequency relationship sampling frequencies cutoff frequencies listed below.
Sampling frequency (fSAM) Cutoff frequency (fCUT) 12.8
AOUT Connecting Circuit Connect 0.01mF capacitor AOUT pin. circuit diagram shown below.
MSM6585 AOUT 0.01mF Amplifier Speaker
Even when used, connect 0.01mF capacitor AOUT pin. This capacitor used improvement voice quality. Voice Output
MSM6585 voice output pins. direct output from internal converter. AOUT output voice after which output passed built-in LPF. Converter Output Waveform
output amplitude from converter max. (4095/4096) becomes stair step waveform synchronized with sampling frequency. output impedance varies ranges from 10kW 40kW. Therefore, determine filter constant that resistor variation does have influence cutoff frequency filter.
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Semiconductor Low-pass Filter Output
MSM6585
cutoff frequency low-pass filter varies proportion sampling frequency. following figure shows low-pass filter characteristics sampling frequency 8kHz.
Damping factor (dB)
Frequency (Hz)
Oscillation Following show external circuit diagrams using ceramic resonator, KBR-640B made Kyocera Corp. CSB640P made Murata MFG. Co., Ltd.
Kyocera Corp. KBR-640B used
Murata MFG. Corp. CSB640P used
MSM6585
MSM6585
640kHz
640kHz
220pF
220pF
100pF
100pF
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Semiconductor
MSM6585
APPLICATION CIRCUITS
Centronics Interface Circuit (sampling frequency 8kHz)
BUSY STROBE RESET 0.1mF MSM4013 0.1mF RESET MSM6585 ADPCM DECODER 640kHz AOUT 0.01mF
MSM4019
0.1mF
Centronics Timing Chart
RESET DATA STROBE
125msec
MIN250msec
First byte
BUSY
High nibble nibble
9/14
Semiconductor Example Interface Circuit with 256K-bit EPROM
MSM6585
circuit example timing diagram that used 256K-bit EPROM shown below.
MSM27256
RESET
MSM4013
MSM4019 640kHz
MSM4013 R1D1
MSM6585
AOUT
RESET
0.01mF 100kW
START
RESET
MSM4040
10kW 0.1mF 100kW
(MSM4025)
M6585 START M4013 M4013 (M6585 RESET) M4013 (Lower 4-bit) (Upper 4-bit) M4040 M4040
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Semiconductor
MSM6585
CONFIGURATION
Layout Product name Function size thickness size Substrate voltage MSM6585 ADPCM voice synthesis 2.92 3.58
Coordiantes (The center located X=0, Y=0)
(Unit: Name AVSS X-axis 1305 1305 1305 1305 1305 Y-axis -1635 -1635 -1635 -943 1095 1635 1635 1580 1580 Name AOUT RESET AVDD X-axis -1125 -1305 -1305 -1305 -1305 -1281 -529 -299 -119 Y-axis 1635 1635 1579 1009 -818 -1635 -1635 -1549 -1549
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Semiconductor
MSM6585
PACKAGE DIMENSIONS
(Unit
DIP18-P-300-2.54
Package material Lead frame material treatment Solder plate thickness Package weight
Epoxy resin alloy Solder plating more 1.30 TYP.
12/14
Semiconductor
MSM6585
(Unit
SOP24-P-430-1.27-K
Mirror finish
Package material Lead frame material treatment Solder plate thickness Package weight
Epoxy resin alloy Solder plating more 0.58 TYP.
Notes Mounting Surface Mount Type Package SOP, QFP, TSOP, TQFP, LQFP, SOJ, (PLCC), SHP, surface mount type packages, which very susceptible heat reflow mounting humidity absorbed storage. Therefore, before perform reflow mounting, contact Oki's responsible sales person product name, package name, number, package code desired mounting conditions (reflow method, temperature times).
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Semiconductor
MSM6585
(Unit
SSOP30-P-56-0.65-K
Mirror finish
Package material Lead frame material treatment Solder plate thickness Package weight
Epoxy resin alloy Solder plating more 0.19 TYP.
Notes Mounting Surface Mount Type Package SOP, QFP, TSOP, TQFP, LQFP, SOJ, (PLCC), SHP, surface mount type packages, which very susceptible heat reflow mounting humidity absorbed storage. Therefore, before perform reflow mounting, contact Oki's responsible sales person product name, package name, number, package code desired mounting conditions (reflow method, temperature times).
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E2Y0002-29-62
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 contained herein reprinted reproduced without prior permission. MS-DOS registered trademark Microsoft Corporation.
Copyright 1999 Electric Industry Co., Ltd.
Printed Japan

Semiconductor MSM6585 ADPCM Voice Synthesis This version: Se

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