WT588S-16S Voice ICs

Product Features:

△Support SPI-FLASH memory (4Mbit~128Mbit).

△Cheaper than our WT588D chips.

△One-line and two-line serial port communication.

△Can make BIN file on computer, then download to flash.

△Support WAV audio format.

△Support 12bit ADPCM decoding(4K~30Khz).

△Support PCM decoding, max up to 64Khz. 

△PWM output, directly drive 8Ω 0.5W speaker.

△Chip power supply: 2.5~5.2V, flash supply voltage range:2.5V~5.2V

△Can support 1000 segments of voice address.

The relation between flash capacity and voice length

The data in the sheet is made at 6k sample rate, if extend more storage, can get larger storage space and voice address.

Application Diagram:

One-line serial communication

In one-line serial port mode, can use MCU to control and send data to WT588S series through DATA line to have voice play, stop, circulate and so on.

One-line serial port sequence diagram

Pull low data signal for 5 ms, send the data in the end, If the ratio of high level and low level is 1:3,it represents data bit 0, if the ratio of high level and low level is 3:1, it represents data bit1. high level is in front, low level is in the back. D0～D7 express a address or command data, 00 00H～03E8H in the data is the address command, FF E0H～FF E7H is the command of volume adjust, FF F2H is circle playing command, FF FEH is stop playing command, please check the detailed sequence diagram (please download the datasheet to check the detail)

Two-line serial port sequence diagram

Two-line serial port control mode is controlled by a clock signal(CLK )and data signal(DATA ), when send a byte data, the clock signal CLK pull down 4 ms to 40 ms, it is recommended to use 5 ms to awaken WTN6 voice chip, receiving DATA low bit at first, receive data at the raise stage of clock. The clock cycle is between 40us and 3.2 ms. The recommended cycle is 300us.When send the data , send low bit at first, then send high bit. 00 H～DFH in the data is the address command, E0H～EFH is the command of volume adjust,  F2H is circle playing command, FEH is stop playing command.

Pin Description