Features

• • 内建32-bit RISC CPU核
    
  - 1.28 DMIPS/MHz (Dhrystone 2.1) 效能
  
  - 正常运行模式: 48 MHz, 36 MHz, 24 MHz, 12 MHz.
  
  • 内存:
    
  - Flash内存: 192K bytes (48K x 32)
  
  - SRAM: 12K bytes (3K x 32)
  
  • CPU时钟来源
    
  - 外部震荡器1 MHz ~ 48 MHz
  
  - PLL输出达48 MHz
  
  - 内部RC震荡器12 / 24 / 36 / 48 MHz
  
  - 给RTC定时器的外部 32 kHz振荡器
  
  - 低速32 kHz RC震荡器
  
  • 时钟管理
    
  - 内部RC振荡器可使用32kHz外部震荡器校准到±1%, 而在无32kHz外部震荡器的情况下则为± 4% (厂内会在常温校准到±1%)
  
  - 时钟来源来自可程序PLLs及震荡器
  
  - 独立32kHz RC看门狗定时器 (IWDT)
  
  - 由高速RC振荡器启动
  
  - Window Watchdog timer with system clock
  
  • Power Management
    
  - Low-power management modes (Key Wake up)
  
  - Integrated Power on reset, Low voltage Reset and 8 level low DVDD detector(LVD)
  
  • High-Speed ADC Module (3.3V~2.4V)
    
  - 10-bit resolution with 1 Successive Approximation Register (SAR) converters (1M SPS)
  
  * ±1 LSB accuracy at 3.0V
  
  - Up to 12 input sources (one dedicated for temperature sensor)
  
  - Vref = 1.25V / 2.5V
  
  - Temperature Sensor (±3℃)
  
  • Up to 12 16-bit timer with IC/OC/OCN/PWM
    
  • DMA: ADC, I2C(x8), UART(x4), TIMER(x12), SPI(x4)
    
  • 5V-input-torlence Tri-state I/O structure. 16 External Interrupt Input (IRQ), 16 Powerdown IO Wake up.
    
  • Communication interface
    
  - Up to 7 I2C bus included 1 multi-master I2C bus up to 400 kHz (1 MHz)
  
  - Up to 4 master/slave SPI up to 24 MHz
  
  - Up to 4 UART up to 1.5Mbps
  
  • PWM up to 12 channels.
    
  • Support built-in ISP & ICE mode (2-wire JTAG mode)
    
  • Flash memory read out protection
    
  • Power Consumption
    
  - Active Mode: 650 uA/MHz.
  
  - Standby Mode: less than 6uA
  
  • Operating Conditions:
    
  - 2.0V to 3.6V, -40oC to +85oC.
  
  • ESD protection HBM > 4KV, MM > 400V
    
  • Package type: LQFP64, LQFP100 (0.5 mm)