Product Overview:
WT2003H4-24SS is a powerful High quality voice chip High performance 32-bit processor is adopted, and the maximum frequency can reach 120MHz. It has the characteristics of low cost, low power consumption, high reliability, and strong versatility. It can have a built-in voice capacity of 100 seconds 350 seconds. Flexible control mode: support standard asynchronous serial port communication (UART). SPI Flash, TF card and USB flash drive are supported as memory. It has the functions of file index play, insert, single track cycle, all track cycle, random play, etc. The 32 level volume is adjustable, and can support 128 Mbit Flash, 32G TF card and 32G USB flash drive.
Product features:
1. Support SPI Flash, TF card and USB flash drive;
2. Support FAT, FAT32 file system;
3. Control mode: standard UART communication interface, supports DMA and flow control, and the default baud rate is 9600;
4. Power on does not play by default; With BUSY status indication, it is high level when BUSY is playing;
5. Support switching audio output mode, sample default SPK output, if DAC output is required, please refer to the audio output switching command (0xB6) in the manual;
6. The external Flash can be connected to the computer through the USB interface of the chip to view or modify its contents, and the voice in the computer can be directly downloaded to the removable flash simulation drive (analog U disk) (XP system, WIN7 system, WIN10 system);
7. Support high-quality voice audio format, (8kbps~320kbps) beautiful voice;
8. It can support 128Mbit Flash, 32G TF card and 32G USB flash drive at most;
9. Built in 0.5WD power amplifier;
10. The volume is adjustable, and the volume level is 32;
11. Two 16 bit asynchronous frequency divider timers;
12. Digital audio stream, IIS supports host and slave modes;
13. One IIC controller
14. An infrared remote control decoder;
15. 16bit high-precision ADC;
16. 16bit high-precision DAC;
17. High power IO drive capability, up to 64mA can be directly driven.
Pin introduction:
Typical applications:
Model selection reference:
Product application field:
Automotive electronics, medical equipment, smart home appliances, entertainment equipment, security alarm, educational equipment, industrial equipment, instruments, communication equipment, etc.
◆ Automobile (anti-theft alarm, reversing radar, GPS navigator, electronic dog, central lock);
◆ Smart home system;
◆ Household anti-theft alarm;
◆ Medical device voice prompt;
◆ Household appliances (induction cooker, rice cooker, microwave oven);
◆ Entertainment equipment (game machine, amusement machine);
◆ Learning model (early education machine, children's audiobooks);
◆ Intelligent transportation equipment (toll station, parking lot);
◆ Communication equipment (telephone exchange, telephone set);
◆ Industrial control field (elevator, industrial equipment);
◆ High class toys.
Cooperative customers:
Service concept:
Weichuang Zhiyin adheres to the concept of only creating the "core", and then can reach a far future. It insists on developing new products with customers as the center. With the strategic goal of serving customer engineers well and serving more customer engineers, Weichuang Zhiyin provides products that are "more, faster, better, and cheaper" and constantly innovate and optimize. Faced with the impact of the global semiconductor industry on the "choke" phenomenon in the Chinese market and the "chip war" in the chip market of the Internet of Things industry, as well as many international situations and current situations, Weichuang Zhiyin has always insisted on providing fast voice and intelligent Internet of Things application solutions and products for customer engineers, so as to shorten the development cycle of customer products. With the goal of meeting and exceeding the expectations of customer engineers, we are committed to providing customer engineers with high-quality voice solutions and comprehensive best BOM that exceed expectations.
