ML22Q54 OKI [OKI electronic componets], ML22Q54 Datasheet - Page 3

• Manufacturer Part Number: ML22Q54
• Description: 2-Channel Mixing Oki ADPCM Algorithm-Based Speech Synthesis LSI
• Manufacturer: OKI [OKI electronic componets]

FEATURES
OKI Semiconductor
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:
Sampling frequency:
Maximum number of phrases:
Sound volume adjustment function built in (2 sounds independently adjustable in 29 steps)
External voice data can be input
1-bit D/A converter, and14-bit D/A converter built in
Built-in low-pass filter:
Package:
ML22Q54
ML2252
ML2254
Type
ROM capacity
44-pin plastic QFP (QFP44-P-910-0.80-2K)
1 Mbit
4 Mbit
4 Mbit
F
SAM
261.1
261.1
64.5
= 4.0 kHz F
256 phrases
4.096 MHz
4.0 kHz, 5.3 kHz, 6.4 kHz, 8.0 kHz, 10.7 kHz, 12.8 kHz,
16.0 kHz, 21.3 kHz, 25.6 kHz, 32.0 kHz, 42.7 kHz, 48 kHz
Digital filter
(ML2252-XXXGA/ML2254-XXXGA/ML22Q54GA-MC)
Maximum playback time length (sec) (In 4-bit ADPCM2)
SAM
163.2
163.2
= 6.4 kHz F
40.3
SAM
130.5
130.5
= 8.0 kHz F
32.2
ML2252/54-XXX, ML22Q54
SAM
16.1
65.2
65.2
= 16 kHz F
FEDL2250DIGEST-01
SAM
32.6
32.6
= 32 kHz
8.0
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