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The ML2250 family is a 2-channel mixing speech synthesis device with an on-chip voice data (i.e., phrases) storing mask ROM and a flash memory. Besides playing the built-in voice data, this device can output voice data that is input from outside the device. This ML2250 family allows to select the playback method from the 8-bit PCM, non-linear 8-bit PCM, 16-b.
Type ML2252 ML2254 ML22Q54
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ROM capacity 1 Mbit 4 Mbit 4 Mbit
Maximum playback time length (sec) (In 4-bit ADPCM2) FSAM = 4.0 kHz FSAM = 6.4 kHz FSAM = 8.0 kHz FSAM = 16 kHz FSAM = 32 kHz 64.5 261.1 261.1 40.3 163.2 163.2 32.2 130.5 130.5 16.1 65.2 65.2 8.0 32.6 32.6
• Non-linear 8-bit PCM, 8-bit PCM, 16-bit PCM, 2-bit ADPCM2, and 4-bit ADPCM2 algorithms
• Serial input/parallel input selectable
• Phrase control table function i.e., user definable phrase control table function
• 2 channels mixing function
• Master clock frequency: 4.096 MHz
• Sampling frequency: 4.0 kHz, 5.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | ML22Q573 |
LAPIS |
4-Channel Mixing Speech Synthesis LSI |
|
| 2 | ML22Q58 |
OKI electronic |
2-Channel Mixing Oki ADPCM Algorithm-Based Speech Synthesis LSI |
|
| 3 | ML22Q321 |
LAPIS |
ADPCM Speech Synthesis LSI |
|
| 4 | ML22Q340 |
LAPIS |
ADPCM Speech Synthesis LSI |
|
| 5 | ML22Q341 |
LAPIS |
ADPCM Speech Synthesis LSI |
|
| 6 | ML22Q374 |
LAPIS |
ADPCM Speech Synthesis LSI |
|
| 7 | ML2200 |
Micro Linear |
12-Bit Plus Sign Data Acquisition Peripheral |
|
| 8 | ML2201 |
OKI electronic componets |
Speech Synthesizer LSI with on-chip 384K Mask ROM |
|
| 9 | ML2208 |
Micro Linear |
12-Bit Plus Sign Data Acquisition Peripheral |
|
| 10 | ML22321 |
LAPIS |
ADPCM Speech Synthesis LSI |
|
| 11 | ML22340 |
LAPIS |
ADPCM Speech Synthesis LSI |
|
| 12 | ML22341 |
LAPIS |
ADPCM Speech Synthesis LSI |
|