Cores
-32-bit ARM® Cortex® -M0
-Up to 48 MHz operating frequency
Memory
-64 KB flash memory
-8 KB SRAM with hardware parity check
Clock Module
-Internal 8 MHz RC oscillator, typical ±1% accuracy
-Internal 14 MHz RC oscillator, typical ±1% accuracy
-Internal 40 kHz RC oscillator, typical ±10% accuracy
-4~32 MHz crystal oscillator (HXT)
-32.768 kHz low speed crystal oscillator (LXT)
Phase-Locked Loop (PLL), up to 48 MHz supported
Operating Environment
-VDD voltage: 2.0~5.5 V
-VDDA voltage: 2.0~5.5 V
-Ambient temperature: -40~85 ℃
Boot method
-Supports booting from flash memory
-Supports booting from system memory
-Supports booting from internal SRAM
Power Management
-Low power modes: sleep, deep sleep 1, deep sleep 2, and power down mode
-Power on/power off reset (POR/PDR) support
-Supports for Low Voltage Detection (LVD)
General purpose inputs and outputs (I/O)
-39 I/Os, supports up to 48 MHz operating frequency
-All I/Os map external interrupt vectors
-Some I/Os support anti-backoff feature, allowing input voltages above VDD
1 x 12-bit ADC with up to 1μS conversion time
-Supports 10 external input channels
-Operating voltage range: 2.4~5.5 V
-Input voltage conversion range: 0~VDDA
Timer
-1 16-bit advanced control timer (TIM1) with 6 PWM output channels with deadband control per channel
-5 x 16-bit general-purpose timers
-1 independent watchdog timer (FWDT): 8-bit preset and 12-bit decrement counter
-1 window watchdog timer (WWDT): 7-bit decrement counter
1 system time timer: 24-bit decrement counter.
5-channel DMA controller
-Supported peripherals: SPIx, I2Cx, USARTx, TIMx, ADC
Interruptions and Events
-Up to 32 individually maskable interrupt channels
-4 priority options
-16 external break lines
Communication interface
-5 USART
-2 I2C interfaces, supporting master/slave mode
-2 SPI interfaces, supporting master-slave mode
Package
- TSSOP20
- SSOP28
- QFN28
- QFN32
- LQFP32
- LQFP48
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