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Description:
- Support MP3,WAV decoding format.
- Support three configuration IO mode selection.
- Support sampling rate (KHz):8/11.025/12/16/22.05/24/32/44.1/48.
- 24-bit DAC output, dynamic range support 90dB,SNR support 85dB.
- Fully supports FAT16/FAT32 file system, maximum support 32G TF card,support 32G U disk.
- Support UART serial control voice broadcast function,you can control the play, pause,selection song,volume addition and subtraction and other functions,the largest song selection 65535 tracks,baud rate 9600 bit/s.
- Support IO trigger function,8 IO ports trigger 8 tracks individually or 8 IO ports to trigger 255 tracks.
- Support One_line single-bus serial port control, can control the play, pause,selection,volume addition and subtraction functions.
Specifications:
- IO0/UART_TX: Input pin IO0 in IO trigger mode; TX pin in UART control mode
- IO1/UART_RX: Input pin IO1 in IO trigger mode; RX pin in UART control mode
- IO2: IO trigger mode input pin IO2
- IO3: IO trigger mode input pin IO3
- IO4/ONE_LINE: IO trigger mode input pin IO4; One_Line one-wire serial control mode data transmission pin
- IO5: IO trigger mode input pin IO5
- IO6: IO trigger mode input pin IO6
- IO7: IO trigger mode input pin IO7
- GND: Ground
- CON1: Mode Configuration Pin 1
- CON2: Mode Configuration Pin 2
- CON3/BUSY: Mode Configuration Pin 3; Busy Signal Output, Play Music Output High, Pause Music Output Low
- USB_DM: USB DM signal
- USB_DP: USB DP signal
- VDD/5V: Module Supply, 3.3-5V Voltage Input Pin
- 3.3V: LDO 3.3V Output Pin, Maximum Output Current 100mA
- DACL: audio left channel output
- DACR: Audio Right Channel Output
- Size:2.6x2.3cm/1.02x0.91inch
Note:
Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!
Package Includes:
- 1x Serial control voice module
Pin and mode
Control mode | Pin | I/O Function | |||||||||
CON3 | CON2 | CON1 | IO7 | IO6 | IO5 | IO4 | IO3 | IO2 | IO1 | IO0 | |
I/O mode 0 | 0 | 0 | 0 | Key Play，can play 2^8-1（255）songs。 | |||||||
I/Omode 1 | 0 | 0 | 1 | Level combination playback，can play 2^8-1（255）songs。 | |||||||
I/O Independent 0 | 0 | 1 | 0 | Song8 | Song7 | Song6 | Song5 | Song4 | Song3 | Song2 | Song1 |
I/OIndependent 1 | 0 | 1 | 1 | Song8 | Song7 | Song6 | Song5 | Song4 | Song3 | Song2 | Song1 |
UART serial mode |
1 |
0 |
0 |
|
|
|
|
|
| RXD | TXD |
Serial |
|
|
| TXD |
|
|
|
| |||
standard MP3 | 1 | 0 | 1 |
|
|
| RPT | EQ | P/P/MODE | PREV/V- | NEXT/V+ |
| | |
