E73-2G4M08S1C IoT Solutions Modules nRF52840 ble5.0 SMD 2.4GHz Nordic Wireless Module
[IC]：nRF52840
[Frequency]：2.360~2.500GHz
[Size]：13.0*18.0mm
[Weight]：1.0±0.1g
[Introduction]：1.The original imported nRF52840 chip, supporting ble 4.2 and B1. Original imported nRF52840 radio frequency chip. 2. BLE 4.2 and 5.0 protocols. 3. It comes with high-performance ARM CORTEX-M4F core. 4. With 32.768K real-time clock. 5. Four-layer high-performance PCB board with excellent RF characteristics will help pass various certifications. 6. The module leads to most IO ports. 7. The module is not programmed, users need to carry out secondary development.
| Pin No. | Item | Corresponding,ch ip pin item | Direction | Description |
| 1 | P1.11 | P1.11 | Common I/O | See details about nrf52833 datasheet on Nordic website |
| 2 | P1.10 | P1.10 | Common I/O | Low frequency 10, standard drive |
| 3 | P0.03 | P0.03/AIN1 | Common I/O | Analog input 1, low frequency I/O, standard drive. |
| 4 | AI4 | P0.28/AIN4 | Common I/O | Analog input 4 |
| 5 | GND | - | - | Single ground line , connect to the power reference ground. |
| 6 | P1.13 | P1.13 | Common I/O | Low frequency 10, standard drive |
| 7 | AI0 | P0.02/AIN0 | Common I/O | Analog input 0, low frequency I/O, standard drive. |
| 8 | AI5 | P0.29/AIN5 | Common I/O | Analog input 5, low frequency I/O, standard drive. |
| 9 | AI7 | P0.31/AIN7 | Common I/O | Analog input 7, low frequency I/O, standard drive. |
| 10 | AI6 | P0.30/AIN6 | Common I/O | Analog input 6, low frequency I/O, standard drive. |
| 11 | XL1 | P0.00/XL1 | Common I/O | Connect to 32.768 kHz crystal |
| 12 | P0.26 | P0.26 | Common I/O | See details about nrf52833 datasheet on Nordic website |
| 13 | XL2 | P0.01/XL2 | Common I/O | Connect to 32.768 kHz crystal |
| 14 | P0.06 | P0.06 | Common I/O | See details about nrf52833 datasheet on Nordic website |
| 15 | AI3 | P0.05/AIN3 | Common I/O | Analog input 3 |
| 16 | P0.08 | P0.08 | Common I/O | See details about nrf52833 datasheet on Nordic website |
| 17 | Pl.09 | Pl.09 | Common I/O | See details about nrf52833 datasheet on Nordic website |
| 18 | AI2 | P0.04/AIN2 | Common I/O | Analog input 2 |
| 19 | VCC | - | - | Power supply |
| 20 | P12 | P0.12 | Common I/O | See details about nrf52833 datasheet on Nordic website |
| 21 | GND | - | - | Ground line, connect to the power reference ground |
| 22 | P0.07 | P0.07 | Common I/O | See details about nrf52833 datasheet on Nordic website |
| 23 | VDH | VDDH | - | High voltage power supply |
| 24 | GND | - | - | Ground line, connect to the power reference ground |
| 25 | DCH | DCCH | - | DC/DC converter output |
| 26 | RST | P0.18/RESET | Common I/O | QSPI/CSN/extemal reset |
| 27 | VBS | VBUS | - | USB power supply, 5W input, used to USB3.3V voltage regulator |
| 28 | P15 | P0.15 | Common I/O | See details about nrf52833 datasheet on Nordic website |
| 29 | D- | D- | - | USB D- |
| 30 | P17 | P0.17 | Common I/O | See details about nrf52833 datasheet on Nordic website |
| 31 | D+ | D+ | - | USB D+ |
| 32 | P0.20 | P0.20 | Common I/O | See details about nrf52833 datasheet on Nordic website |
| 33 | P0.13 | P0.13 | Common I/O | See details about nrf52833 datasheet on Nordic website |
| 34 | P0.22 | P0.22 | Common I/O | QSPI |
| 35 | P0.24 | P0.24 | Common I/O | - |
| 36 | Pl.00 | Pl.00 | Common I/O | See details about nrf52833 datasheet on Nordic website |
| 37 | SWD | SWDIO | - | Serial debug programming port clock |
| 38 | Pl.02 | Pl.02 | Common I/O | See details about nrf52833 datasheet on Nordic website |
| 39 | SWC | SWDCLK | - | Serial debug programming port clock |
| 40 | Pl.04 | Pl.04 | Common I/O | Low frequency I/O, standard drive |
| 41 | NF1 | P0.09/NFC1 | Common I/O | NFC input |
| 42 | Pl.06 | Pl.06 | Common I/O | Low frequency I/O, standard drive |
| 43 | NF2 | P0.10/NFC2 | Common I/O | NFC input |