E104-BT53A1 Ebyte SMD BT5.2 module Silicon Labs' original IC EFR32BG22 ble 2.4g GFSK wireless module
[IC]：EFR32
[Frequency]：2402~2480MHz
[Modulation]：GFSK
[Range]：120m
[Size]：13*19mm
[Feature]：Low power,BT5.2
[Product weight]：0.8±0.1g
[Introduction]：E104-BT53A1 is a small-sized SMD ble BT5.2 module based on Silicon Labs' original IC EFR32BG22; it uses 38.4MHz industrial-grade high-precision low-temperature drift crystal oscillator to ensure its industrial-grade function and stable performance.
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| No. | Name | Direction | Function |
|---|---|---|---|
| 1 | GND | Input | Ground wire, connect to power reference ground |
| 2 | PB02 | input Output | MCU GPIO (see EFR32BG22 manual for details) |
| 3 | PB01 | input Output | MCU GPIO (see EFR32BG22 manual for details) |
| 4 | PB00 | input Output | MCU GPIO (see EFR32BG22 manual for details) |
| 5 | PA00 | input Output | MCU GPIO (see EFR32BG22 manual for details) |
| 6 | PA01 | Input | SWCLK, serial line debugging clock input debugging and programming (see EFR32BG22 manual for details) |
| 7 | PA02 | Input | SWDIO, serial line debugging and programming debugging (see EFR32BG22 manual for details) |
| 8 | PA03 | input Output | MCU GPIO (see EFR32BG22 manual for details) |
| 9 | GND | Input | Ground wire, connect to power reference ground |
| 10 | GND | Input | Ground wire, connect to power reference ground |
| 11 | PA04 | input Output | MCU GPIO (see EFR32BG22 manual for details) |
| 12 | PA05 | input Output | MCU GPIO (see EFR32BG22 manual for details) |
| 13 | PA06 | input Output | MCU GPIO (see EFR32BG22 manual for details) |
| 14 | VCC | Input | Power supply, range 1.9 ~ 3.6V (recommended to add ceramic filter capacitors externally) |
| 15 | VCC | Input | Power supply, range 1.9 ~ 3.6V (recommended to add ceramic filter capacitors externally) |
| 16 | GND | Input | Ground wire, connect to power reference ground |
| 17 | GND | Input | Ground wire, connect to power reference ground |
| 18 | PD01 | input Output | MCU GPIO (see EFR32BG22 manual for details) |
| 19 | PD00 | input Output | MCU GPIO (see EFR32BG22 manual for details) |
| 20 | PC00 | input Output | MCU GPIO (see EFR32BG22 manual for details) |
| 21 | PC01 | input Output | MCU GPIO (see EFR32BG22 manual for details) |
| 22 | PC02 | input Output | MCU GPIO (see EFR32BG22 manual for details) |
| 23 | PC03 | input Output | MCU GPIO (see EFR32BG22 manual for details) |
| 24 | PC04 | input Output | MCU GPIO (see EFR32BG22 manual for details) |
| 25 | PC05 | input Output | MCU GPIO (see EFR32BG22 manual for details) |
| 26 | RST | Input | Chip reset trigger input pin, effective when low level |