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MSM6585 Datasheet, PDF (1/16 Pages) OKI electronic componets – ADPCM Voice Synthesis IC | |||
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OKI Semiconductor
MSM6585
ADPCM Voice Synthesis IC
FEDL6585-03
Issue Date: Aug. 25, 2004
GENERAL DESCRIPTION
The MSM6585 is an version-up product of the MSM5205 voice synthesis IC. Mainly improved points
are improvement for the precision of an internal DA converter, a built-in low-pass filter, and
expansion on the sampling frequency. The MSM6585 does not include a control circuit to drive an
external memory similar to the MSM5205. Therefore, the MSM6585 can be connected with not only
semiconductor memories, but other memory media (CD-ROM, etc.) by the control of CPU.
FEATURES
⢠4-bit ADPCM method
⢠Built-in 12-bit DA converter
⢠Built-in low-pass filter (LPF) (â40dB/oct)
⢠Sampling frequencies: 4k/8k/16k/32kHz
⢠Master clock frequency (ceramic oscillator) : 640kHz
⢠Voice data synthesis: Supported by voice analysis editing tool AR207
⢠Package options:
18-pin plastic DIP (DIP18-P-300-2.54) (MSM6585RS)
24-pin plastic SOP (SOP24-P-430-1.27-K) (MSM6585MAZXXX)
30-pin plastic SSOP (SSOP30-P-56-0.65-K) (MSM6585MBZXXX)
DIFFERENCES BETWEEN MSM6585 AND MSM5205
⢠Master clock frequency:
⢠Sampling frequency:
⢠ADPCM bit length:
⢠DA Converter:
⢠Low-pass filter:
⢠Overflow preventing circuit:
⢠Power supply voltage:
⢠Operating current consumption:
⢠Operating temperature:
⢠D3 to D0 input timing
MSM6585
640kHz
4k/8k/16k/32kHz
4-bit
12-bit
Included (â40dB/oct)
Included
4.5 to 5.5V
10mA
â40 to +85°C
MSM5205
384kHz
4k/6k/8kHz
3-bit/4-bit
10-bit
Not included
Not included
3.0 to 6.0V
4mA
â30 to +70°C
VCK (O)
D3 - D0
input timing
ADPCM Data
MSM6585
MSM5205
1
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