DSPIC33FJ256GP506-I/PT اورجینال

نقد و بررسی اجمالی

آی سی پردازنده سیگنال دیجیتال DSP میکروچیپ با فلش 256 کیلو بایت و رم 30 کیلو بایت و فرکانس کاری 40 مگاهرتز High-Performance, 16-Bit Digital Signal Controllers

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دریافت  کتابخانه( ALITUM  DESIGNER )

Operating Range:
• Up to 40 MIPS operation (at 3.0-3.6V):
- Industrial temperature range
(-40°C 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
• 83 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:
• 2 Kbytes dual ported DMA buffer area
(DMA RAM) to store data transferred via DMA:
- Allows data transfer between RAM and a
peripheral while CPU is executing code
(no cycle stealing)
• Most peripherals support DMA
Interrupt Controller:
• 5-cycle latency
• Up to 63 available interrupt sources
• Up to five external interrupts
• Seven programmable priority levels
• Five 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 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 Kbytes
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
Timers/Capture/Compare/PWM:
• Timer/Counters, up to nine 16-bit timers:
- Can pair up to make four 32-bit timers
- 1 timer runs as Real-Time Clock with external
32.768 kHz oscillator
- Programmable prescaler
• Input Capture (up to eight channels):
- Capture on up, down or both edges
- 16-bit capture input functions
- 4-deep FIFO on each capture
• Output Compare (up to eight channels):
- Single or Dual 16-Bit Compare mode
- 16-bit Glitchless PWM mode