Bluetooth and Thread

[hyym]

Hi,

Why nRF52832 can`t support Thread or Zigbee Software Stack and nRF52840  can ,Is it because the silicon hardware is different ? 

Thanks

[Vidar Berg]

Hi,

The RADIO on nRF52832 does not support the IEEE 802.15.4 standard required for Zigbee and Thread. See table below 

Table 1. nRF52 Series IC comparison

Features		nRF52810	nRF52811	nRF52832	nRF52833	nRF52840
CPU		Cortex-M4	Cortex-M4	Cortex-M4 with FPU	Cortex-M4 with FPU	Cortex-M4 with FPU
		64 MHz	64 MHz	64 MHz	64 MHz	64 MHz
Memory		192 kB flash	192 kB flash	512/256 kB flash	512 kB flash	1 MB flash
		-	-	Cache	Cache	Cache
		24 kB RAM	24 kB RAM	64/32 kB RAM	128 kB RAM	256 kB RAM
Radio	Protocols	Bluetooth Low Energy/ANT/2.4 GHz	Bluetooth Low Energy/ANT/2.4 GHz/IEEE 802.15.4	Bluetooth Low Energy/Bluetooth mesh/ANT/2.4 GHz	Bluetooth Low Energy/Bluetooth mesh/Thread/ Zigbee/ANT/2.4 GHz/IEEE 802.15.4	Bluetooth Low Energy/Bluetooth mesh/Thread/ Zigbee/ANT/2.4 GHz/IEEE 802.15.4
	Bluetooth 5 PHYs	2 Mbps	2 Mbps/Long range	2 Mbps	2 Mbps/Long range	2 Mbps/Long range
	Bluetooth 5.1 support	-	Yes	-	Yes
	Output power	+4 dBm	+4 dBm	+4 dBm	+8 dBm	+8 dBm
	Sensitivity	−96 dBm (Bluetooth 1 Mbps)	−97 dBm (Bluetooth 1 Mbps)	−96 dBm (Bluetooth Low Energy 1 Mbps)	−95 dBm (Bluetooth Low Energy 1 Mbps)	−95 dBm (Bluetooth Low Energy 1 Mbps)