Features

• • Embedded 32-bit RISC CPU core
    

  - 1.3 DMIPS/MHz (Dhrystone 2.1) performance
  

  - Normal operating mode: 24 MHz, 12 MHz, 6 MHz and 1 MHz
  

  • Memory:
    

  - Flash memory: 64K bytes (16K * 32)
  

  - RAM: 8K bytes (2K * 32)
  

  • CPU clock source
    

  - External crystal oscillator 1 MHz ~ 24 MHz
  

  - Internal RC oscillator 24 MHz and 128 kHz (for WDT)
  

  - External crystal oscillator 32 kHz for RTC counter
  

  • Communication interface
    

  - 2 master/slave I2C bus (SM bus) up 400 kHz
  

  - 2 master/slave SPI up to 6 MHz
  

  - 4 UART up to 1.5 MHz
  

  - 1 consumer electronics control (CEC) (with 16 bytes R/W buffer and auto-sending “ACK” bit)
  

  • Six 16-bit timer with IC/OC/OCN/PWM
    
  • Eight 12-bit PWM pin output with adjustable frequency
    
  • Hardware universal IR receiver with programmable digital filter for noise rejection
    
  • Power on reset, 1 level low VDD reset (LVR), and 8 level low VDD detector (LVD)
    
  • 12-bit A/D converter with 12 (one is fixed for temperature sensor) selectable inputs
    
  • Temperature sensor (±3℃)
    
  • Internal RC oscillator 12 MHz can be calibrated ±1% with 32 kHz crystal and ±3% without crystal
    
  • Support build in ISP & ICE mode (JTAG mode)
    
  • Tri-state I/O structure, input state can be decided by pad resister (pull high or pull low)
    
  • Watchdog timer with system clock or 128 kHz RC oscillator
    
  • Flash memory protection
    
  • Wide operating voltage: 2.0V ~ 3.6V
    
  • Operating temperature: -40℃ to +85℃
    
  • ESD protection HBM > 4KV, MM > 200V
    
  • Package type: LQFP48, LQFP64, LQFP100