MSM5218RS Oki Semiconductor, MSM5218RS Datasheet

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MSM5218RS

Manufacturer Part Number
MSM5218RS
Description
ADPCM voice analysis/synthesis IC
Manufacturer
Oki Semiconductor
Datasheet

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MSM5218
ADPCM Voice Analysis/Synthesis IC
GENERAL DESCRIPTION
The MSM5218 is a complete voice analysis/synthesis IC featuring the Adaptive Differential Pulse
Code Modulation (ADPCM) method of data compression. The MSM5218 contains an analysis stage
where serial PCM data is compressed to 3- or 4-bit parallel ADPCM data. In addition, a synthesis
stage synthesizes PCM data from ADPCM data.
FEATURES
• ADPCM data compatible with OKI's synthesis IC MSM5205
• Analysis/synthesis switching pin provided
• Lower power consumption achieved by one-chip CMOS IC
• Built-in 10-bit D/A converter for analog output
• Variable sampling frequency (4 kHz, 6 kHz, 8 kHz)
• Master clock frequency: 384 kHz
• Package: 24-pin plastic DIP (DIP24-P-600) (Product name: MSM5218RS)
BLOCK DIAGRAM
BIN/TOC
RESET
SCON
ADSI
SICK
VCK
XT
XT
S
S
1
2
OSC
12-bit
f SI
S•R
Timing
Circuit
12
T
1
T
2
V
V
DD
Analyzer
SS
ADPCM
Synthesizer
ADPCM
DAS
10
12
10-bit
12-bit
DAC
S•R
MSM5218
4B/3B
ANA/SYN
D
D
D
D
DAOUT
MSB/SO
SOCK
3
2
1
0

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MSM5218RS Summary of contents

Page 1

... Lower power consumption achieved by one-chip CMOS IC • Built-in 10-bit D/A converter for analog output • Variable sampling frequency (4 kHz, 6 kHz, 8 kHz) • Master clock frequency: 384 kHz • Package: 24-pin plastic DIP (DIP24-P-600) (Product name: MSM5218RS) BLOCK DIAGRAM BIN/TOC 12-bit 12 S• ...

Page 2

MSM5218 PIN CONFIGURATION (TOP VIEW) ANA/SYN Note: The product name actually printed on the product is "M5218". VCK 4B/ ...

Page 3

Semiconductor ABSOLUTE MAXIMUM RATINGS Parameter Power Supply Voltage Input Voltage Power Dissipation Storage Temperature RECOMMENDED OPERATING CONDITIONS Parameter Power Supply Voltage Operating Temperature Oscillator Frequency ELECTRICAL CHARACTERISTICS DC Characteristics Parameter Input High Voltage Input Low Voltage Input High Current ...

Page 4

MSM5218 APPLICATION CIRCUITS Example where a 12-bit AD Converter is Connected or LPF S&H ex HA2435 by HARRIS Co. DAOUT SICK 12-bit ADSI MSM5218 ADC SCON RESET VCK ex ADC-80AG by MN Co. Controller ¡ Semiconductor – LPF + D ...

Page 5

Semiconductor Voice Analysis/Synthesis Circuit Example (When MSM5204 is Used) MSM4034 MSM4014 MSM5204A MSM4034 MSM5218 ...

Page 6

MSM5218 Voice Analysis/Synthesis Circuit Example (When ADC-80AG by MN Co. is Used) MSM4034 MSM4034 ¡ Semiconductor ...

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