BLE5.2 IoT Cost effective Silicon Labs 5.0 wireless module 6 dBm AoA AoD EFR32BG22 RF transceiver
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- Supplier: Shenzhen Rf-Star Technology Co. Ltd.
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Product Description
BLE5.2 IoT Cost-effective Silicon Labs 5.0 wireless module 6 dBm AoA AoD Beacon EFR32BG22 RF transceiver
There are three modules of RF-BM-BG22Ax. All of them are based on Silicon Labs EFR32BG22 series. Because the EFR32BG22 chips are pin-2-pin compatible in package, pins and peripherals, those three modules are pin-2-pin compatible with each other as well.
Table 1. Module Specification of RF-BM-BG22Ax
Model | Chip Model | Max. CPU Speed | TX Power | FLASH | RAM | Protocol |
BG22A1 | EFR32BG22C112F352GM32-C | 38.4 MHz | 0 dBm | 352 KB | 32 KB | BT5.2 |
BG22A2 | EFR32BG22C222F352GM32-C | 76.8 MHz | +6 dBm | 352 KB | 32 KB | BT5.2 Proprietary |
BG22A3 | EFR32BG22C224F512GM32-C | 76.8 MHz | +6 dBm | 512 KB | 32 KB | BT5.2 Direction finding Proprietary |
RF-BM-BG22A3 is an RF module based on EFR32BG22C224F512GM32-C, one of Gecko family of SoCs from Silicon Labs, with a 32-bit ARM® Cortex®-M33 core with 76.8 MHz maximum operating frequency. It integrates a 38.4 MHz crystal, a matching, an antenna matching, a low-pass filter and a meander line inverted-F PCB antenna. It supports Ble 5.2 low energy, Ble mesh, AoA / AoD and proprietary and can be preprogrammed with a serial interface communication protocol for simple programming. It also has a range of analog and digital interfaces such as PRS, ADC, UART, SPI, I2C, PWM, ISO 7816, IrDA, I2S, EUART and PDM. It features low power consumption, compact size, robust connection distance, and rigid reliability. An integrated PA in the chip enables the module reach up to 6 dBm TX power. 1.27-mm pitch stamp stick package for easy assembling and cost-effective PCB design. RF-BM-BG22A3 is pin-2-pin compatible with BG22A1 and BG22A2.
Pin | Name | Chip Pin | Pin Type | Description |
1 | EXT_ANT | - | - | External antenna pin. |
2 | PB02 | PB02 | - | CTS |
3 | PB01 | PB01 | I/O | GPIO |
4 | PB00 | PB00 | I/O | GPIO |
5 | PA00 | PA00 | - | RTS |
6 | PA03 | PA03 | I/O | GPIO |
7 | PA04 | PA04 | I/O | GPIO |
8 | PA05 | PA05 | - | UART_TXD |
9 | PA06 | PA06 | - | UART_RXD |
10 | GND | GND | - | Ground |
11 | RESET | RESET | - | SYSTEM RESET |
12 | PA01 | PA01 | - | SWC connect j-link |
13 | PA02 | PA02 | - | SWD connect j-link |
14 | GND | GND | - | Ground |
15 | VCC | VCC | VCC | 1.71 V ~ 3.8 V |
16 | PD01 | PD01 | I/O | GPIO |
17 | PD00 | PD00 | I/O | GPIO |
18 | PC00 | PC00 | I/O | GPIO |
19 | PC01 | PC01 | I/O | GPIO |
20 | PC02 | PC02 | I/O | GPIO |
21 | PC03 | PC03 | I/O | GPIO |
22 | PC04 | PC04 | I/O | GPIO |
23 | PC05 | PC05 | I/O | GPIO |
24 | GND | GND | - | Ground |
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