ml226xx系列是内置有4mbit~32mbit flash存储器的语音合成lsi。由于内置了大容量存储器,因此非常适用于语音操作指导等需要长时间播放语音的应用。此外,该系列产品还支持通过微控制器改写flash存储器。产品采用实现高音质的hq-adpcm、16位d/a转换器和低通滤波器,并内置用来直接驱动扬声器的1.0w单声道扬声器放大器。语音输出所需的功能已经全部集成于1枚芯片中,因此仅需增加本lsi,即可轻松实现语音功能。
主要规格
特性:
operating voltage [v]
2.7 to 3.6 or 3.3 to 5.5
operating frequency [mhz]
4.096
4.000
oscillator
built-in
external
operating temperature (min.)[°c]
-40
operating temperature (max.)[°c]
70
rom capacity [bit]
flash
4m
number of phrases
4096
maximum playback time
202sec *3
cpu i/f
clock syncronous serial
sp amplifier output [w] / class
1.0/ab-class,
d-class
number of mixing (internal) [ch]
4
others
rewrite flash from mcu / failure detection
automotive grade
no
aec-q100 standard
no
industrial grade
yes
development support
-
- reference board
- rb-s22q62xtb32
- supply status
- recommended
- supporuted lsi
- ml22q623
- ml22q624
- ml22q625
- ml22q626
- composition
- reference board with tqfp32 socket
- user's manual
- notes
- used by connecting to sdcb3.
-
- development kit
- sdck3
- supply status
- recommended
- supporuted lsi
- ml22530, q532, q533, q535
- ml22620, q623, q624, q625, q626
- ml22660, q663, q664, q665, q666
- ml22q234, q244, q254
- ml22q274, q284, q294
- ml22572, 573, q573, q553, ml22594
- ml22q374, q394
- ml22562, 563, q563
- ml22823, 824, 825
- ml22863, 864, 865
- composition
- software: speech lsi utility, wave editor, sdcb controller
- hardware: sound device control board 3 [sdcb3], accessories (usb cable)
-
- reference board
- rb-s22q62xgd32
- supply status
- recommended
- supporuted lsi
- ml22q623
- ml22q624
- ml22q625
- ml22q626
- composition
- reference board with wqfn32 socket
- user's manual
- notes
- used by connecting to sdcb3.
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