FEDL2250DIGEST-09
OKI Semiconductor
ML2250 family
FEATURES
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
Type
ROM capacity
ML2251
ML2252
ML2253
ML2254
ML22Q54
ML2256
ML22Q58
512 Kbit
1 Mbit
3 Mbit
4 Mbit
4 Mbit
6 Mbit
8 Mbit
31.7
64.5
19.8
40.3
15.8
32.2
7.9
16.1
48.8
65.2
65.2
98.0
130.4
3.9
8.0
195.5
261.1
261.1
392.1
522.2
122.2
163.2
163.2
245.1
326.4
97.7
24.4
32.6
32.6
49.0
65.2
130.5
130.5
196.0
261.0
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:
4.096 MHz
4.0 kHz, 5.3 kHz, 6.0kHz, 6.4 kHz, 8.0 kHz, 10.7 kHz, 12.0kHz,
12.8 kHz, 16.0 kHz, 21.3 kHz, 24.0kHz, 25.6 kHz, 32.0 kHz,
42.7 kHz, 48 kHz
Maximum number of phrases:
256 phrases
Sound volume adjustment function built in (2 sounds independently adjustable in 29 steps)
External voice data can be input
14-bit D/A converter built in
Built-in low-pass filter:
Package: 44-pin plastic QFP (QFP44-P-910-0.80-2K)
(ML2251-XXXGA/ ML2252-XXXGA/ ML2253-XXXGA/
Digital filter
ML2254-XXXGA /ML2256-XXXGA / ML22Q54GA/ML22Q58GA)
(P-VFLGA33-5.03X5.78-0.80-W)
33-pin W-CSP
(ML2253-XXXHB/ ML2254-XXXHB)
(ML2256-XXXHB)
3/36
OKI [ OKI ELECTRONIC COMPONETS ]
