Datasheet Details
| Part number | ML22340 |
|---|---|
| Manufacturer | LAPIS |
| File Size | 1.02 MB |
| Description | ADPCM Speech Synthesis LSI |
| Datasheet | ML22340 ML22Q340 Datasheet (PDF) |
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Overview: ML22Q340/340/Q341/341 ADPCM Speech Synthesis LSI FEDL22340-02 Issue Date: Mar.
This datasheet includes multiple variants, all published together in a single manufacturer document.
| Part number | ML22340 |
|---|---|
| Manufacturer | LAPIS |
| File Size | 1.02 MB |
| Description | ADPCM Speech Synthesis LSI |
| Datasheet | ML22340 ML22Q340 Datasheet (PDF) |
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The ML22340/ML22Q340/ML22341/ML22Q341, which include mask ROM and Flash memory for storing speech data, respectively, are speech synthesis LSIs which can controll speech playback utilizing an event input system.
It includes speaker amplifier and 16bit DA Converter, so it is possible to have high quality sound and solution for playback with 1chip.
• Playback Time Product Name ML22Q340/340 ML22Q341/341 Capasitance of ROM(bit) 620K 876K Maximum Playback time(s) （Fsam=8.0kHz） HQ-ADPCM 4bitADPCM2 16bitPCM ― 19.8 4.9 35.0 28.0 7.0 • Speech sysnthesis system: • Speech ROM capacity • Sampling frequency: • Analog output: • Interface: • Sequencer output function: • Maximum event count: • Input pin setting: • Output pin setting: • Source oscillation frequency: • Power supply voltage: • Flash memory rewrite cycles • Operating temperature range: • Package: • Product name: 4-bit ADPCM2 8-bit/16-bit straight PCM system 8-bit nonlinear PCM system HQ-ADPCM (*1) (ML22Q341/341) (can be specified for each phrase) ML22340: 620-Kbit Mask ROM ML22Q340: 620-Kbit Flash ML22341: 876-Kbit Mask ROM ML22Q341: 876-Kbit Flash 8.0/16.0 /32.0kHz, 6.4/12.8/25.6 kHz/, 10.7/21.3 kHz (fsam can be specified in units of phrase) Built-in 16-bit DA converter Event input system (built-in noise elimination function) 16 types 30 events High-impedance input (CMOS input), pull-down input, or pull-up input is selectable based on ROM data High-impedance output, CMOS output, Pch open drain output, Nch open drain output, or LED drive is selectable based on ROM data 4.096 MHz (Typ.) 2.3V to 5.5V 80 times (ML22Q340/Q341) −40°C to +85°C 30-pin plastic SSOP (SSOP30-56-0.65-Z6K9-MC) ML22340-xxxMB (xxx: ROM code number) ML22341-xxxMB (xxx: ROM code number) ML22Q340-NNNMB/ML22Q340-xxxMB (xxx: ROM code number) ML22Q341-NNNMB/ML22Q341-xxxMB (xxx: ROM code number) (*1) HQ-ADPCM is audio compression tech
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