JESSINIE 2Pcs DY-SV17F Voice Playback Module IO Trigger USB Download 4MB Flash Voice Playback Module Serial Port Control Voice Module

Product characteristics Support sampling rate (KHz): 8/11.025/12/16/22.05/24/32/44.1/48 Support the IO trigger play function. 8 IO ports trigger 8 tracks individually or 8 IO ports trigger 255 tracks in combination Support for One_ Line single bus serial port control, can control playback, pause, music selection, volume increase and decrease and other functions Support 3 configured IOs for up to 7 operating modes Module size: 26mm * 23mm Pin definition TXD/IO0: input pin IO0 in IO trigger mode; TX pin in UART control mode, connecting RX of control terminal (MCU) RXD/IO1: Input pin IO1 in IO trigger mode; RX pin in UART control mode, connected to TX of control terminal (MCU) 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 1 serial port control mode data receiving pin IO5: IO trigger mode input pin IO5 IO6: IO trigger mode input pin IO6 IO7: IO trigger mode input pin IO7 GND: reference ground terminal CON1: Mode configuration pin 1 CON2: Mode configuration pin 2 CON3/BUSY: used as mode configuration pin within 30ms after power-on, 3/30ms later as BUSY signal output, high level (3.3V) is output when playing tracks, and low level (0V) is output after playing V5: 5V power supply positive input V33: 3.3V power output, maximum 80mA DACR: right channel audio output DACL: left channel audio output SPK-: 5W power amplifier output negative, connected to the negative pole of the horn SPK+: 5W power amplifier output positive, connected to horn positive IO input and output characteristics IO input characteristics VIL low level input: 0V - 0.8V VIH high level input: 2.7V - 3.3V IO output characteristics VoL low level output: 0V - 0.33V VoH high-level output: 2.7V - 3.3V