EWM104-BT5125(SPDIF)_Other_BLE_Module

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EWM104-BT5125(SPDIF) Module audio Bluetooth BLE5.1 Prise en charge de la technologie de réduction du bruit CVC Transmission à faible latence APT-X LL

[Puce]：QCC5125

[Interface de sortie]：SPDIF

[Interface de communication]：USB

[Distance de communication]：120 m

[Dimensions]：13 x 18 mm

[Poids]：1,0 g ± 0,1 g

[Introduction]：L'EWM104-BT5125 (SPDIF) est un module audio Bluetooth BLE5.1 hautes performances, basse consommation et économique, lancé par Ebyte. Le contrôle principal utilise la puce QCC5125 de Qualcomm pour doter le module d'un système intégrant des processeurs Bluetooth, audio et d'applications programmables. Il intègre des codecs audio analogiques et numériques hautes performances, des pilotes de casque de classe AB et de classe D, une gestion avancée de l'alimentation, des protocoles d'interface flexibles et des entrées/sorties programmables (PIO).

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Pin number	Pin Name	Pin Direction	Pin Purpose
1	NC	-
2	SPDIF_IN/PIO[19]	I/O	SPDIF optical audio data input, PIO[19]
3	I2S_SDATA/SPDIF_OUT/PIO[18]	I/O	I2S bit data output, SPDIF optical audio data output, PIO[18]
4	I2S_LRCK/PIO[17]	I/O	I2S frame clock output, PIO[17]
5	I2S_SCK/PIO[16]	I/O	I2S bit clock output, PIO[16]
6	I2S_MCLK/PIO[15]	I/O	I2S system clock output, PIO[15]
7	VBAT_SENSE	Analog	Battery voltage detection
8	USB_DN	-	Full-speed USB interface DN
9	USB_DP	-	Full-speed USB interface DP
10	VCHG	P	Internal power regulator and charger voltage input, 4.0~6.5V
11	VCHG_SENSE	Analog	Charger input voltage detection pin. When using the internal charger or no charger, this pin is connected to the VCHG pin.
12	CHG_EXT	Analog	External charger transistor current control.
13	SYS_CTRL/PIO[0]	I	Typically connected to an on/off button. Powers up the device by pressing the button when the battery and/or charger still has power but the software has put the device in a powered-down or dormant state. Also functions as a PIO[0] digital input in normal operation.
14	VBAT	P	Battery power input, 2.8~4.6V
15	GND	G	GND
16	AIO[0]/LED[0]	Analog/DO	Analog/digital input, open drain LED output, please refer to the LED function diagram below for LED function
17	AIO[1]/LED[1]	Analog/DO	Analog/digital input, open drain LED output, please refer to the LED function diagram below for LED function
18	AIO[2]/LED[2]	Analog/DO	Analog/digital input, open drain LED output, please refer to the LED function diagram below for LED function
19	AIO[4]/LED[4]	Analog/DO	Analog/digital input, open-drain LED output
20	AIO[5]/LED[5]	Analog/DO	Analog/digital input, open-drain LED output
21	GND	-	GND
22	1V8	P	1.8V power output
23	VDD_PADS1	P	1.8V/3.3V PIO voltage input
24	VDD_PADS3_7	P	1.8V/3.3V PIO voltage input
25	PIO[4]	I/O	Button, PIO[4], short press to go to the previous song, long press to connect to Bluetooth, user programmable
26	PIO[3]	I/O	Button, PIO[3], short press to pause playback, long press to reduce volume, user programmable
27	PIO[6]	I/O	PIO[6]
28	PIO[5]	I/O	Button, PIO[5], short press to play next song, long press to disconnect Bluetooth, user programmable
29	PIO[8]	I/O	PIO[8]
30	PIO[7]	I/O	PIO[7]
31	PIO[2]	I/O	Button, PIO[2], short press to play, long press to increase volume, user programmable
32	PIO[1]	I/O	Reset, PIO[1]
33	NC	-
34	SPK-RN	Analog	DAC audio differential output right channel negative
35	SPK-RP	Analog	DAC audio differential output right channel positive
36	SPK-LN	Analog	DAC audio differential output left channel negative
37	SPK-LP	Analog	DAC audio differential output left channel positive
38	GND		GND
39	MIC_BIAS	Analog	Microphone bias voltage output, 1.5~2.1V
40	MIC2_N	Analog	Microphone audio differential input 2 negative
41	MIC2_P	Analog	Microphone audio differential input 2 positive
42	MIC1_N	Analog	Microphone audio differential input 1 negative
43	MIC1_P	Analog	Microphone audio differential input 1 positive
44	GND	-	GND
45	GND	-	GND
46	ON	-	Bluetooth antenna interface
47	GND	-	GND
48	PIO[54]	I/O	PIO[54]
49	PIO[53]	I/O	AUX audio input insertion detection, PIO[53]
50	PIO[52]	I/O	LED indicators, PIO[52], customer programmable
51	PIO[60]	I/O	PIO[60]
52	PIO[61]	I/O	PIO[61]
53	PIO[21]	I/O	LED indicators, PIO[21], customer programmable
54	PIO[20]	I/O	Audio amplifier enable, PIO[20]
Special note: The above pin function description is only for the default program function when our company ships from the factory. If you need other functions, please contact our company for customization. If you want to develop pin functions yourself, please refer to the official user manual of QCC5125.

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