Features and Benefits- Ultra-low-power active and hibernate modes
- Active < 38 μA/MHz (typical)
- Flexi < 11.5 μA/MHz (typical)
- Hibernate < 750 nA (typical)
- Shutdown < 60 nA (typical)
- ARM Cortex-M3 processor with MPU
- Up to 26 MHz with serial wire debug interface
- Power management
- Single supply operation
Wide voltage range (VBAT): 1.8V to 3.6V
- LDO+ Buck converter for improved efficiency (optional)
- Power Supply Monitor (PSM)
- Power-on Reset (POR)
- Memory options
- 256K bytes of embedded flash memory with ECC
- 4K bytes of cache memory to reduce active power when
executing from flash
- 64K bytes of configurable system SRAM
- Security /Safety
- Hardware crypto accelerator supporting AES-128, AES-256
along with various modes (ECB, CBC, CTR, CBC-MAC,
CCM, CCM*) and SHA-256
- Watchdog timer
- True Random Number Generator (TRNG)
- Hardware CRC with programmable generator polynomial
- Multi parity-bit-protected SRAM
- User code protection
Protects customer IP software
Prevents re-purposing the part
Secure software upgrade via UART
- Digital Peripherals
- 3 X SPI interface with hardware flow control
- I2C and UART peripheral interfaces
- SPORT for natively interfacing with converters and radios
- Programmable GPIOs
- 3 X general-purpose timers
- 1 X RTC, 1 X FLEX_RTC
- Programmable beeper
- 25-channel DMA controller
- Clocking Features
- 26 MHz clock
- 32 KHz clock
- Integrated PLL with programmable divider
- Analog Peripherals
- Up to 1.8 MSPS housekeeping ADC
12-bit SAR
Eight channels, single ended
Digital comparator
- High-precision voltage reference
- Temperature sensor
- Packages and Temperature Range
- 64-pin LFCSP, 54-pin WLCSP
- -40°C to +85°C
- See data sheet for additional features
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