RT581

ARM Cortex-M3 CPU

1MB Flash

"Embedded 208KB SRAM

--144KB for CM3, 64KB for communication subsystem"

Sub-1GHz multi-band and 2.4 GHz

Compliant with Bluetooth® 5.3 LE Specification, ZigBee 3.0 & Wi-Sun PHY

Bluetooth data rates: 125Kbps, 500Kbps, 1Mbps, 2Mbps.

Sub-1GHz data rates: up to 300Kbps

Multi-rate FSK, and OQPSK supported