[IC]:CC2540
[Frequency]:2.402~2.480GHz
[Protocol]:BLE 4.0
[Distance]:60m
[Interface]:USB
[Product weight]:8.8g±0.1g
[Introduction]:E104-2G4U04A is a small BLE wireless module designed and manufactured by Chengdu Ebyte, USB type (pin spacing 1.27mm). This module has a high-performance PCB on-board antenna, using low power consumption (BLE) SOC solution.
Pin No. | Item | Direction | Description |
---|---|---|---|
1 | P1.4 | Input/Output | General purpose IO port(see CC2540 datasheet for details) |
2 | P1.5 | Input/Output | General purpose IO port(see CC2540 datasheet for details) |
3 | P1.6 | Input/Output | General purpose IO port(see CC2540 datasheet for details) |
4 | P1.7 | Input/Output | General purpose IO port(see CC2540 datasheet for details) |
5 | VCC | Power supply | 2.0V-3.6V (please avoid power supply with USB) |
6 | DD | Input/Output | Program download port P2_1(see CC2540 chip datasheet for details) |
7 | DC | Input/Output | Program download port P2_2(see CC2540 chip datasheet for details) |
8 | RESET | Input | Reset (there is a reset circuit inside the product) |
9 | GND | Power supply | Ground |
10 | P0.2 | Input/Output | General purpose IO port(see CC2540 datasheet for details) |
11 | P0.3 | Input/Output | General purpose IO port(see CC2540 datasheet for details) |
12 | P0.4 | Input/Output | General purpose IO port(see CC2540 datasheet for details) |
13 | P0.5 | Input/Output | General purpose IO port(see CC2540 datasheet for details) |
14 | P0.6 | Input/Output | General purpose IO port(see CC2540 datasheet for details) |
15 | P0.7 | Input/Output | General purpose IO port(see CC2540 datasheet for details) |
16 | LED | Signal indication | Connect to P1.1 of CC2540,high level will drive to light up |
17 | LED | Signal indication | Connect to P0.0 of CC2540, lowlevel will drive to light up |
18 | Button | Button | Connect to P1.3 of CC2540, low level active |
19 | Button | Button | Connect to P1.2 of CC2540, low level active |