The 588D voice module uses the voice chip WT588D-20SS.
With a 32Mbit capacity memory chip (Note: 1byte=8bit), it can store about 1000s voice.
It carries the WT55U02-20SS download chip, and can download audio data directly to the memory chip through the host computer at the 588D computer without external downloader.
1>. Support loading 6K~20KHz sampling rate, WAV format audio.
2>. Two types of output are supported by DAC/PWM. PWM output can directly drive 0.5W/8 Ohm horn, the push pull current is plentiful.
3>. Support button control mode, first line serial port control mode, three line serial port control mode.
4>. A variety of IO port triggers can be set under the button mode.
5>. The 220 segment can control the address bit, and a single address is loaded with a maximum of 128 segments of speech.
6>. It will enter to the dormancy mode after the voice play to save power (Note: the mode of the first line serial port can not dormant).
7>. With auxiliary upper computer software, which is easy to operate, arbitrary combination of voice
8>. With internal unique voice processor, the sound is more natural and melodious.
9>. The module leads to 9 pins, which is easy to use and simple.
10>. Working voltage: DC3.3~5.5V.
11>. Dormant current: less than 10uA.
The module's factory default is all downloaded speech. According to the module connection schematic diagram, the button mode -PWM output circuit is connected to carry out function test (horn parameter 0.5W/8 ohm horn).
1>. Speech output test: P0 short connect to ground and trigger voice. The speaker normal output voice means the module can be used normally
2>. Voice download test: the USB-Micro data line (Android mobile data line) is connected to the module, and the computer will be automatically installed the driver. Start the software, load engineering files, click download.
Connection Schematic Diagram:
1>. Button mode - PWM output
2>. Button mode - DAC output
3>. First line serial port - PWM output (module and MCU voltage need to be consistent, if inconsistency requires series resistance)
4>. First line serial port - DAC output (module and MCU voltage need to be consistent, if inconsistency requires series resistance)
5>. Three line serial port - PWM output (module and MCU voltage need to be consistent, if inconsistency requires series resistance)
6>. Three line serial port - DAC output (module and MCU voltage need to be consistent, if inconsistency requires series resistance)
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