技术特性

• Memories
  • 1K or 1.5 Kbytes single voltage Flash Program memory with read-out protection, In-Circuit and In-Application Programming (ICP and IAP). 10 K write/erase cycles guaranteed, data retention: 20 years at 55˚C.
  • 128 bytes RAM.
  • 128 bytes data EEPROM with read-out protection. 300K write/erase cycles guaranteed, data retention: 20 years at 55˚C.
• Clock, Reset and Supply Management
  • 3-level low voltage supervisor (LVD) and auxiliary voltage detector (AVD) for safe power- on/off procedures
  • Clock sources: internal 1MHz RC 1% oscillator or external clock
  • PLL x4 or x8 for 4 or 8 MHz internal clock
  • Four Power Saving Modes: Halt, Active-Halt, Wait and Slow
• Interrupt Management
  • 10 interrupt vectors plus TRAP and RESET
  • 4 external interrupt lines (on 4 vectors)
• I/O Ports
  • 13 multifunctional bidirectional I/O lines
  • 9 alternate function lines
  • 6 high sink outputs
• 2 Timers
  • One 8-bit Lite Timer (LT) with prescaler including: watchdog, 1 realtime base and 1 input capture.
  • One 12-bit Auto-reload Timer (AT) with output compare function and PWM
• 1 Communication Interface
  • SPI synchronous serial interface
• A/D Converter
  • 8-bit resolution for 0 to VDD
  • Fixed gain Op-amp for 11-bit resolution in 0 to 250 mV range (@ 5V VDD)
  • 5 input channels
• Instruction Set
  • 8-bit data manipulation
  • 63 basic instructions with illegal opcode detection
  • 17 main addressing modes
  • 8 x 8 unsigned multiply instruction
• Development Tools
  • Full hardware/software development package

功能框图