JetHome ZB4C Zigbee Module (EFR32MG21)
The JetHome ZB4C module is designed to function as a coordinator or Zigbee end device within a Smart Home controller with the appropriate software installed and configured.
The module is based on a modern wireless microcontroller for the range of 2.4 GHz Silicon Labs EFR32MG21A020F1024IM32 and features high performance, increased transmitter output power and compact size.
The module is based on the circuitry of the debug board Silabs EFR32xG21 (BRD4180B) based on the EFR32MG21 chip:
Technical Specifications
The *80Mhz *Arm® Cortex®-M33 processor.
Flash 1024KB.
SRAM 96KB.
Transmitter output power up to +20 dBm.
Power supply voltage 3.3V.
Current consumption in active mode is less than 200 mA.
Module dimensions: 28 x 18 mm.
Module pin assignment
The module is in the format of a unified JetHome wireless module of size 28 x 18 mm with contacts located on the perimeter of the module.
Module pin assignment (top view):
Module output |
Destination |
Microcontroller output |
|---|---|---|
1 |
SWCLK |
PA01 (18) |
2 |
SWDIO |
PA02 (19) |
3 |
SWO |
PA03 (20) |
4 |
PA00 |
PA00 (17) |
5 |
PD02 |
PD02 (30) |
6 |
PD03 |
PD03 (29) |
7 |
PD04 |
PD04 (28) |
8 |
PC04 |
PC04 (5) |
9 |
GND |
|
10 |
NC |
|
11 |
NC |
|
12 |
NC |
|
13 |
+3.3V |
|
14 |
GND |
|
15 |
RESET |
RESET (9) |
16 |
PA6/RX |
PA06 (23) |
17 |
PA5/TX |
PA05 (22) |
18 |
PA4/CTS |
PA04 (21) |
19 |
PC1/RTS |
PC01 (2) |
20 |
PB0/BOOT |
PB00 (16) |
21 |
GND |
|
22 |
ANTENNA |
|
23 |
GND |
Software
Supported firmware
Module flashing procedure
Limitations
Warning
The device is shipped and supported with coordinator firmware only.
You are responsible for using third-party firmware, including router firmware.