DSPIC33FJ256MC710-IPT Datasheet, PDF (3/90 Pages) Microchip Technology – dsPIC® DSC High-Performance 16-Bit Digital Signal Controllers

dsPIC33F
dsPIC33F High-Performance 16-Bit
Digital Signal Controller Product Overview
Operating Range
• DC – 40 MIPS (40 MIPS @ 3.0-3.6V, -40° to +85°C)
• Industrial temperature range (-40° to +85°C)
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
• 84 base instructions: mostly 1 word/1 cycle
• Sixteen 16-bit general purpose registers
• Two 40-bit accumulators:
- With rounding and saturation options
• Flexible and powerful addressing modes:
- Indirect, modulo and 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
Direct Memory Access (DMA)
• 8-channel hardware DMA
• Allows data transfer between RAM and a
peripheral while CPU is executing code (no cycle
stealing)
• 2 KB of dual-ported DMA buffer area (DMA RAM)
to store data transferred via DMA
• Most peripherals support DMA
Interrupt Controller
• 5-cycle latency
• 117 interrupt vectors
• Up to 67 available interrupt sources, up to
5 external interrupts
• 7 programmable priority levels
• 5 processor exceptions
Digital I/O
• Up to 85 programmable digital I/O pins
• Wake-up/Interrupt-on-Change on up to 24 pins
• Output pins can drive from 3.0V to 3.6V
• All digital input pins are 5V tolerant
• 4 mA sink and source on all I/O pins
On-Chip Flash and SRAM
• Flash program memory, up to 256 Kbytes
• Data SRAM (up to 30 Kbytes):
- Includes 2 KB of DMA RAM
System Management
• Flexible clock options:
- External, crystal, resonator, internal RC
- Fully integrated 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
Power Management
• On-chip 2.5V voltage regulator
• Switch between clock sources in real time
• Idle, Sleep and Doze modes with fast wake-up
© 2005 Microchip Technology Inc.
Preliminary
DS70155C-page 1