Features
ARM ® CortexTM-M3 Core
- Frequency up to 72 MHz
- Flash access zero wait state
- Single-cycle multiplier and hardware divider
- NVIC support 16 internal & 60 external interrupts, each has 16 priority levels
Memories
- Flash size from 16KB to 64 KB
- SRAM size from 4KB to 8 KB with HW parity checking
- 3KB ISP loader ROM
Low power management
- Power saving mode: sleep, deep-sleep & standby mode
- Independent battery supply for real-calendar RTC and backup register
Advanced analog peripherals
- 1 x 12bit, 1μs ADC (up to 16 chs)
- 1 x 12-bit DAC
- 2 x fast rail-to-rail low-power comparators
Integrated peripherals interface
- Up to 2 x USART/UART/Irda/LIN/ISO7816
- Up to 2 x SPI (18Mbit/s), 1 x I2S multiplexed
- Up to 2 x I2C (400Kbit/s)
- USB 2.0 FS (12Mbit/s)
- HDMI-CEC
- Touch sensing interface (TSI, supports up to 18 external electrodes)
On-chip resources
- 1 x 16 bit Advanced Timer, 1 x SysTick Timer, 5 x 16 bit GPTM, 1x 32bit GPTM, 1 x Basic Timer, 2 x WDG
- 5-chs DMA support: Timers, ADC, SPIs, I2Cs, USARTs, DAC and I2Ss
- System supervisor and reset: POR,PDR,LVD
- 80% GPIO available
- 32-bit CRC & 96-bit unique ID
- On-chip clock: HSI (8MHz), LSI (40KHz)
Package
- TSSOP20 (6.5 x 4.4 x 1mm)
- QFN28 (4 x 4 x 0.75mm)
- QFN32 (5 x 5 x 0.75mm)
- LQFP48(7 x 7 x 1mm)
- LQFP64 (10 x 10 x 1.4mm)
Technical Resources
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