Description
High-Performance, 16-bit Digital Signal Controllers
dsPIC33FJ12MC201/202
High-Performance DSC 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
• 83 base instructions, mostly one word/one cycle
• Sixteen 16-bit general purpose registers
• Two 40-bit accumulators with rounding and saturation options
• Flexible and powerful addressing modes:
- Indirect
- Modulo
- Bit-Reversed
• Software stack
• 16 x 16 fractional/integer multiply operations
• 32/16 and 16/16 divide operations
• Single-cycle multiply and accumulate:
- Accumulator write back for DSP operations
- Dual data fetch
• Up to ±16-bit shifts for up to 40-bit data
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
• Reset by multiple sources
Interrupt Controller:
• 5-cycle latency
• Up to 26 available interrupt sources
• Up to three external interrupts
• Seven programmable priority levels
• Four processor exceptions
CMOS Technology:
• Low-power, high-speed Flash technology
• Fully static design
• 3.3V (±10%) operating voltage
• Industrial and extended temperature
• Low power consumption
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
Power Management:
• On-chip 2.5V voltage regulator
• Switch between clock sources in real time
• Idle, Sleep and Doze modes with fast wake-up
On-Chip Flash and SRAM:
• Flash program memory (12 Kbytes)
• Data SRAM (1024 bytes)
• Boot and General Security for Program Flash
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
Communication Modules:
• 4-wire SPI:
