Описание
18/20/28-Pin Enhanced Flash Microcontrollers with nanoWatt Technology
- Operating Range:
- Up to 40 MIPS operation (@ 3.0-3.6V):
- Industrial temperature range (-40°C to +85°C)
- Extended temperature range (-40°C to +125°C)
- High-Performance CPU:
- Modified Harvard architecture
- C compiler optimized instruction set
- 16-bit-wide data path
- 24-bit-wide instructions
- Linear program memory addressing up to 4M instruction words
- Linear data memory addressing up to 64 Kbytes
- 71 base instructions, mostly one word/one cycle
- Sixteen 16-bit general purpose registers
- Flexible and powerful addressing modes
- Software stack
- 16 x 16 multiply operations
- 32/16 and 16/16 divide operations
- Up to ±16-bit shifts for up to 40-bit data
- Interrupt Controller:
- 5-cycle latency
- Up to 21 available interrupt sources
- Up to three external interrupts
- Seven programmable priority levels
- Four processor exceptions
- On-Chip Flash and SRAM:
- Flash program memory (12 Kbytes)
- Data SRAM (1024 bytes)
- Boot and General Security for Program Flash
- Digital I/O:
- Peripheral Pin Select Functionality
- Up to 21 programmable digital I/O pins
- Wake-up/Interrupt-on-Change for up to 21 pins
- Output pins can drive from 3.0V to 3.6V
- Up to 5V output with open drain configurations on 5V tolerant pins
- 4 mA sink on all I/O pins
- System Management:
- Flexible clock options:
- External, crystal, resonator, internal RC
- Fully integrated Phase-Locked Loop (PLL)
- Extremely low-jitter PLL
- Power-up Timer
- Oscillator Start-up Timer/Stabilizer
- Watchdog Timer with its own RC oscillator
- Fail-Safe Clock Monitor (FSCM)
- Reset by multiple sources
- Power Management:
- On-chip 2.5V voltage regulator
- Switch between clock sources in real time
- Idle, Sleep, and Doze modes with fast wake-up
- Timers/Capture/Compare:
- Timer/Counters, up to three 16-bit timers:
- Can pair up to make one 32-bit timer
- One timer runs as Real-Time Clock with external 32.768 kHz oscillator
- Programmable prescaler
- Input Capture (up to four channels):
- Capture on up, down, or both edges
- 16-bit capture input functions
- 4-deep FIFO on each capture
- Output Compare (up to two channels):
- Single or Dual 16-bit Compare mode
- 16-bit Glitchless PWM Mode
