System
- Arm® Cortex®-M52
- Operating frequency: 128 MHz
- Integrated hardware TMU with ATAN operation
- Support ITCM/DTCM extensions
Memory
- Flash: 128 KB
- DTCM: 16 KB
- ITCM: 32 KB
Power Management
- Operating voltage: 1.7–3.6 V
- Supports POR/PDR
- Supports programmable power voltage detector(PVD)
- Supports main power detection(EVS)
Timers
- 16-bit advanced timer: 1
- 16-bit general-purpose timers: 3
- 16-bit low-power timer:
- Watchdog timers: 2
Analog Peripherals
- 16-bit ADC: 2
- 12-bit ADC: 1
- 10-bit DAC: 2
- Temperature sensor: 1
- Programmable comparators(COMP): 4
I/Os
- Up to 48 I/Os
- All I/O are mapped to external interrupt vectors
Clock
- HSECLK: 8–26MHz external crystal/ceramic oscillator
- LSECLK: 32.768kHz crystal/ceramic oscillator
- HSICLK: Factory-calibrated 8 MHz RC oscillator
- LSICLK: 32kHz RC oscillator
- PLL: Up to 128MHz output
Communication Interfaces
- USART: 2
- I²C: 1
- SPI: 1
Package
- UFBGA64
- QFN60/48/32


