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Product Parameters

Working voltage: DC3.3V~5.5V

Static sleep current less than 10UA

Support loading 6K~22KHZ sampling rate audio

Supports both DAC and PWM output modes

Support loading WAV audio format

Depending on the external or internal SPI-FLASH, the playback duration also varies, supporting SPI-FLASH memory with 2M-32MBIT

詳情-02

封裝引腳 Encapsulation pins	引腳標(biāo)號(hào) Pin number	簡(jiǎn)述 Sketch	功能描述 Function Description
1	RESET	/RESET	復(fù)位腳，低電平保持≥5ms有效 Reset pin, low level remains valid for ≥ 5ms
2	DAC	DAC	DAC音頻輸出腳，需要從軟件設(shè)置 DAC輸出才生效 DAC audio output pin, needs to be set from software to take effect for DAC output
3	PWM+	PWM+	PWM+音頻輸出腳，需要從軟件設(shè)置PWM輸出才生效 PWM+audio output pin, PWM output needs to be set from software to take effect
4	PWM-	PWM-	PWM-音頻輸出腳，需要從軟件設(shè)置PWM輸出才生效 PWM - Audio output pin, PWM output needs to be set from software to take effect
5	P14	DI	SPI-FLASH數(shù)據(jù)輸入腳 SPI-FLASH data input pin
6	P13	DO	SPI-FLASH數(shù)據(jù)輸出腳 SPI-FLASH data output pin
7	P16	CLK	SPI-FLASH時(shí)鐘腳 SPI-FLASH clock pin
8	GND	GND	地線腳 Ground wire foot
9	P15	CS	SPI-FLASH片選腳 SPI-FLASH chip selection pin
10	P03	K4/CLK/DATA	按鍵/三線時(shí)鐘/一線數(shù)據(jù)輸入腳 Button/3-wire clock/1-wire data input pin
11	P02	K3/CS	按鍵/三線片選輸入腳 Button/three wire selection input pin
12	P01	K2/DATA	按鍵/三線數(shù)據(jù)輸入腳 Button/three wire data input pin
13	P00	K1	按鍵輸入腳 Key input pin
14	VCC	VCC	存儲(chǔ)器電源輸入腳 Memory power input pin
15	BUSY	BUSY	語(yǔ)音播放忙信號(hào)輸出腳 Voice playback busy signal output pin
16	VDD	VDD	數(shù)字電源輸入腳 Digital power input pin

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