▪ Compatible with Bluetooth® 5.2, ETSI EN 300 328
and EN 300 440 Class 2 (Europe), FCC CFR47 Part
15 (US) and ARIB STD-T66 (Japan)
▪ Flexible processing power
• 32 kHz up to 64 MHz 32-bit Arm Cortex-M33TM with
8 kB, four-way associative cache and FPU
• A flexible and configurable Bluetooth® LE MAC
engine based on Arm Cortex-M0+TM with an 8 kB,
four-way associative cache
▪ Memory
• 256 kB embedded Flash
• 96 kB Data SRAM with retention
• 8 kB Caches with retention for Cortex M33 and
M0+ respectively
• 288 kB ROM (including boot ROM, PKI routines,
and Bluetooth® LE stack)
▪ Power/Clock management
• Buck DCDC converter
• Operating range: from 1.7 V to 3.6 V
• 32 MHz or 64 MHz system clock using a doubler
• Fast wake-up from sleep in <15 µs
▪ Current Consumption
• Hibernation <100 nA
• 1.2 mA RX at VBAT = 3 V
• 2.3 mA TX at VBAT = 3 V and 0 dBm
• 3.5 µA at sleep with all RAM retained