Features

• Arm® Cortex®-M23 Core @ 64 MHz
• Single-cycle multiplication and hardware divider
• Ultra-low power, energy-efficient operation
• Excellent code density
• Integrated Nested Vectored Interrupt Controller (NVIC)
• 24-bit SysTick timer
• Up to 256 Kbytes of Flash memory
• Up to 32 Kbytes of SRAM with hardware parity checking
• The deep-sleep current is reduced to 2µA, with the wake-up time achieving less than 10µs. And the standby current is as low as 0.4µA
• Up to six low-power modes, including partial sleep, deep sleep, external wake-up, etc. Under the maximum frequency and full-speed active mode, the power consumption is only 66µA/MHz
• 1x ADC with a 12-bit sampling rate of up to 1MSPS
• 1x 12-bit DAC
• 2x Comparators
• Up to 2x USARTs
• 2x UARTs
• 1x Low-power LPUART
• 3x I2Cs
• 2x SPIs
• 1x I2S
• 1x USB 2.0 FS controller
• 4x General-purpose 16-bit timers
• 2x Basic timers
• 1x 32-bit low-power timer
• Multi-channel DMA selector module (DMAMUX)
• Full-featured calendar RTC
• Programmable voltage detector (PVD)
• Programmable brown-out reset (BOR)
• 1x LCD segment controller, which provides 8*28 segments and 4*32 segments in two formats
• 1x High-precision temperature sensor with an accuracy of ±0.5°C