技术特性

• Memories
  • 8 to 32K dual voltage High Density Flash (HDFlash) with read-out protection capability. In-Application Programming and In-Circuit Programming for HDFlash devices
  • 384 to 1K bytes RAM
  • HDFlash endurance: 100 cycles, data retention: 20 years at 55°C
• Clock, Reset And Supply Management
  • Enhanced low voltage supervisor (LVD) for main supply with programmable reset thresholds and auxiliary voltage detector (AVD) with interrupt capability
  • Clock sources: crystal/ceramic resonator oscillators, internal RC oscillator, clock security system and bypass for external clock
  • PLL for 2x frequency multiplication
  • Four Power Saving Modes: Halt, Active-Halt, Wait and Slow
• Interrupt Management
  • Nested interrupt controller
  • 10 interrupt vectors plus TRAP and RESET
  • 9/6 external interrupt lines (on 4 vectors)
• Up to 32 I/O Ports
  • 32/24 multifunctional bidirectional I/O lines
  • 22/17 alternate function lines
  • 12/10 high sink outputs
• 4 Timers
  • Main Clock Controller with: Real time base, Beep and Clock-out capabilities
  • Configurable watchdog timer
  • 16-bit Timer A with: 1 input capture, 1 output compare, external clock input, PWM and pulse generator modes
  • 16-bit Timer B with: 2 input captures, 2 output compares, PWM and pulse generator modes
• 2 Communication Interfaces
  • SPI synchronous serial interface
  • SCI asynchronous serial interface
• 1 Analog Peripheral (low current coupling)
  • 10-bit ADC with up to 12 robust input ports
• Instruction Set
  • 8-bit Data Manipulation
  • 63 Basic Instructions
  • 17 main Addressing Modes
  • 8 x 8 Unsigned Multiply Instruction
• Development Tools
  • Full hardware/software development package
  • In-Circuit Testing capability

功能框图