CST57005 Product Overview:
CST57005 is a new generation of cost-effective voice chips with a 9-bit high-performance PWM voice engine. And it has a diversified model selection of 5 seconds (6K/4 bits), with no need to add any external components for simple applications, giving the overall cost a market leading advantage. In addition, this series can burn program content in one go, providing a user-friendly compilation interface without the need to write program code, simplifying the product development process.
CST57005 Functional Description：
(1.) Working voltage: 1.6V~5.5V
(2.) Voice engine: 9bits PWM
(3.) Speech encoding: 4-9 bits, with a total of 8th order compression rate
(4.) Supports up to 16 groups and 256 function grids (Steps)
(5.) Support for DIO control mode (MCU mode)
(6.) Supports single line control mode(Serial mode)
(7.) Supports Low Battery Detection (LVD) and Low Voltage Reset (LVR)
(8.) Different triggering types selection
*Re-triggered / Irre-triggered.
*Level / Edge
*Hold / Un-hold.
*Voice Repeat / One-time voice.
*On / Off function.
*De-bounce time : 50us or 10ms
(9.) Programmable output state
*Can choose a fixed frequency flashing method
*Customizable flashing modes can be added to the voice, including gradually brightening and dimming effects (LED PWM)
*Please refer to the Yushen Wave editor tool
(10.) Diversified playback rate selection
*3.0KHz / 3.2KHz / 3.8KHz / 4KHz / 4.8KHz
*6.0KHz / 6.4KHz / 8KHz / 9.6KHz / 12KHz
*16KHz / 19.2KHz / 24KHz / 32KHz
(11.) Simplified process compilation
*Working register writing
*Work register accumulation
*Work register comparison branch
CST57005 Encapsulation Footmap：
CST57005 Application circuit diagram：
CST57005 Key triggering mode：
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