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EBYTE OEM/ODM E104-BT54S smallest size Low power consumption micro BLE RF Module

[Chip]:BLUENRG355MC

[Frequency]:2.40~2.48GHz

[Bluetooth protocol]:BLE5.1 Communication distance: 300m

[size]:28*16mm*2.7mm

[Product weight]:1.8g±0.1g

[Introduction]:The E104-BT54S module is a wireless SOC module designed based on the BLUENRG355MC chip solution..It has a variety of transmission methods, working in the 2.4GHz frequency band, TTL level output, and 3.3V IO port voltage.

E104-BT54S
Pin No. Pin Name Pin direction Description
1 GND S Ground wire, connected to the power reference ground
2 PA0 I/O MCU GPIO, please refer to the chip user manual for details
3 PA1 I/O MCU GPIO, please refer to the chip user manual for details
4 PA2/SWDIO I/O MCU GPIO, please refer to the chip user manual for details
5 PA3/SWCLK I/O MCU GPIO, please refer to the chip user manual for details
6 PA4/LPUART TX I/O MCU GPIO, please refer to the chip user manual for details
7 PA5/LPUART RX I/O MCU GPIO, please refer to the chip user manual for details
8 PA6 I/O MCU GPIO, please refer to the chip user manual for details
9 PA7 I/O MCU GPIO, please refer to the chip user manual for details
10 PB15 I/O MCU GPIO, please refer to the chip user manual for details
11 PB14 I/O MCU GPIO, please refer to the chip user manual for details
12 VDD S Power supply pin, 1.7-3.6V, read the chip user manual for details
13 GND S Ground wire, connected to the power reference ground
14 RST I/O Module reset pin, built-in power-on reset circuit
15 VDDA S 1.2 V analog ADC core, read the chip user manual for details
16 PB11 I/O Module power supply is positive, voltage range: 1.8~3.6V DC (recommend to add ceramic filter capacitor)
17 PB10 I/O Ground wire, connected to the power reference ground
18 PB9 I/O The backup power supply is positive, the voltage range: 1.55~3.6V DC (recommend to add ceramic filter capacitors externally)
19 PB8 I/O Analog power supply is positive, voltage range: 1.71~3.6V DC (recommend to add ceramic filter capacitors externally)
20 PB7 I/O MCU GPIO, please refer to the chip user manual for details
21 PB6 I/O MCU GPIO, please refer to the chip user manual for details
22 PB5 I/O MCU GPIO, please refer to the chip user manual for details
23 PB4 I/O MCU GPIO, please refer to the chip user manual for details
24 GND S MCU GPIO, please refer to the chip user manual for details
25 PB3 I/O MCU GPIO, please refer to the chip user manual for details
26 PB2 I/O MCU GPIO, please refer to the chip user manual for details
27 PB1 I/O MCU GPIO, please refer to the chip user manual for details
28 PB0 I/O MCU GPIO, please refer to the chip user manual for details
29 PA15 I/O MCU GPIO, please refer to the chip user manual for details
30 PA14 I/O MCU GPIO, please refer to the chip user manual for details
31 PA13 I/O MCU GPIO, please refer to the chip user manual for details
32 PA12 I/O MCU GPIO, please refer to the chip user manual for details
33 PA11 I/O MCU GPIO, please refer to the chip user manual for details
34 PA10 I/O MCU GPIO, please refer to the chip user manual for details
35 PA9/TXD I/O MCU GPIO, please refer to the chip user manual for details
36 PA8/RXD I/O MCU GPIO, please refer to the chip user manual for details