Wireless microcontroller
- Powerful 48-MHz Arm®Cortex®-M4F
processor
- EEMBC CoreMark® score: 148
- 352KB flash program memory
- 256KB of ROM for protocols and library functions
- 8KB of cache SRAM
- 80KB of ultra-low leakage SRAM with parity for high-reliability operation
- 2-pin cJTAG and JTAG debugging
- Supports over-the-air upgrade (OTA)
- Programmable radio support for Bluetooth® 5.2 Low Energy
Ultra-low power sensor controller
- Autonomous MCU with 4KB of SRAM
- Sample, store, and process sensor data
- Fast wake-up for low-power operation
- Software defined peripherals; capacitive touch, flow meter, LCD
Qualified for automotive application
- AEC-Q100 qualified with the following results:
- Device temperature grade 2: –40°C to +105°C ambient operating temperature range
- Device HBM ESD Classification Level 2
- Device CDM ESD Classification Level C3
Low power consumption
- MCU consumption:
- 3.4 mA active mode, CoreMark
- 71 μA/MHz running CoreMark
- 0.94 μA standby mode, RTC, 80KB RAM
- 0.15 μA shutdown mode, wake-up on pin
- Ultra low-power sensor controller consumption:
- 31.9 μA in 2 MHz mode
- 808.5 μA in 24 MHz mode
- Radio consumption
- 6.9 mA RX
- 7.0 mA TX at 0 dBm
- 9.2 mA TX at +5 dBm
Wireless protocol support
High performance radio
- –105 dBm for Bluetooth 125-kbps (LE coded PHY)
- –97 dBm for 1-Mbps PHY
- Output power up to +5 dBm with temperature compensation
Regulatory compliance
- Suitable for systems targeting compliance with these standards:
- ETSI EN 300 328, EN 300 440 Cat. 2 and 3
- FCC CFR47 Part 15
- ARIB STD-T66
MCU peripherals
- Digital peripherals can route to any of 31 GPIOs
- Four 32-bit or eight 16-bit general-purpose timers
- 12-bit ADC, 200 kSamples/s, 8 channels
- 8-bit DAC
- Two comparators
- Two UART, Two SSI, I2C, I2S
- Real-time clock (RTC)
- Integrated temperature and battery monitor
Security enablers
- AES 128- and 256-bit cryptographic accelerator
- ECC and RSA public key hardware accelerator
- SHA2 Accelerator (full suite up to SHA-512)
- True random number generator (TRNG)
Development tools and software
Operating range
- On-chip buck DC/DC converter
- 1.8-V to 3.63-V single supply voltage
- -40 to +105°C
Package
- 7-mm × 7-mm RTC VQFN48 with wettable flanks (31 GPIOs)
- 7-mm × 7-mm RGZ VQFN48 with wettable flanks (31 GPIOs)
- RoHS-compliant packages