ml22460mb Oki Semiconductor, ml22460mb Datasheet - Page 2

• Manufacturer Part Number: ml22460mb
• Description: Speech Synthesis Lsi With Serial Rom Interface Including 4-channel Mixing Function
• Manufacturer: Oki Semiconductor

The following table shows the differences among the other speech synthesis LSIs.
CPU interface
Voice memory
Memory interface
Voice synthesis
algorithm
Maximum number
of phrases
Sampling
frequency (kHz)
Clock frequency
D/A converter
Low-pass filter
Speaker driving
amplifier
Edit ROM function
Simultaneous
sound production
function (mixing
function)
Volume control
Silence insertion
Repeat function
Silent interval for
seam during
continuous
playback (*1)
Power supply
voltage
Package
*1: Continuous playback as shown below is possible.
Item
1 phrase
No silent interval
2nd order comb. filter
(with a built-in crystal
8-bit nonlinear PCM
16-bit straight PCM
4-bit Oki ADPCM2
8-bit straight PCM
8/16-bits parallel
oscillator circuit)
12.8/ 16.0/ 32.0
2.7 V to 5.5 V
4.0/ 6.4/ 8.0/
56-pins QFP
(Seamless)
1 phrase
MSM9841
4.096MHz
Monaural
Available
Available
external
8 levels
Parallel
14 bits
N.A.
N.A.
No
-
FIR interpolation filter
20 ms to 1024 ms
8.0/ 10.7/ 12.8/
Parallel/Serial
80-pins TQFP
8-bits parallel
4.0/ 5.3/ 6.4/
(4 ms step)
4-channels
29 levels
ML2240
16.0
N.A.
256
←
←
←
←
←
←
←
←
4.0/5.3/6.4/8.0/10.6/
12.0/12.8/16.0/21.3/
24.0/25.6/32.0/48.0
(8Ω, DV
Built-in 0.7W
30-pins SSOP
ML22420/460
Serial/I2C
32 levels
16 bits
Serial
1024
←
←
←
←
←
←
←
←
←
←
DD
ML22420MB/ ML22460MB
= 5 V)
FEDL22420DIGEST-04
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