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MSM6585

OKI electronic componets
Part Number MSM6585
Manufacturer OKI electronic componets
Description ADPCM Voice Synthesis IC
Published Apr 3, 2006
Detailed Description OKI Semiconductor MSM6585 ADPCM Voice Synthesis IC FEDL6585-02 Issue Date: Jun. 2004 GENERAL DESCRIPTION The MSM6585 i...
Datasheet PDF File MSM6585 PDF File

MSM6585
MSM6585

Overview
OKI Semiconductor MSM6585 ADPCM Voice Synthesis IC FEDL6585-02 Issue Date: Jun.
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) (–40dB/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 VCK (O) D3 - D0 input timing ADPCM Data MSM6585 MSM5205 MSM6585 640kHz 4k/8k/16k/32kHz 4-bit 12-bit Included (–40dB/oct) Included 4.
5 to 5.
5V 10mA –40 to +85°C MSM5205 384kHz 4k/6k/8kHz 3-bit/4-bit 10-bit Not included Not included 3.
0 to 6.
0V 4mA –30 to +70°C 1 ¡ Semiconductor MSM6585 BLOCK DIAGRAM VDD GND D3 D2 D1 D0 4-Bit LATCH 4 ADPCM Synthesizer 12 12-Bit DAC LPF – + AOUT DAO OSC Timing Controller TEST CIRCUIT XT XT S1 S2 RESET VCK T1 T2 T3 T4 2 ¡ Semiconductor MSM6585 PIN CONFIGURATION (TOP VIEW) S1 1 S2 2 T3 3 D0 4 D1 5 D2 6 D3 7 T4 8 GND 9 18-Pin Plastic DIP   S1 S2 T3 1 2 3 4 5 6 7 8 9 24 23 22 21 20 19 18 17 16 15 14 13 VDD XT XT NC RESE...


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