资料介绍
Operating Range:
• DC – 30 MIPS (30 MIPS @ 4.5-5.5V, -40 to 85°C)
•Wide VDD range: 2.5-5.5V
• Ind. (-40 to 85°C) and Ext. (-40 to 125°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
• 16 16-bit General Purpose Registers (GPR)
• 2 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
• 40-stage barrel shifter
Interrupt Controller:
• 5-cycle latency
• Up to 45 interrupt sources, up to 5 external
• 7 programmable priority levels
• 4 processor exceptions
Digital I/O:
• Up to 54 programmable digital I/O pins
• Wake-up/Interrupt-on-change on up to 24 pins
• 25 mA sink and source on all I/O pins
On-Chip Flash, Data EEPROM and SRAM:
• Flash program memory: up to 144 Kbytes:
- 10,000 erase/write cycles, min. (-40 to 85°C)
- 100,000 erase/write cycles, typical
• Data EEPROM: up to 4 Kbytes:
- 100,000 erase/write cycles, min. (-40 to 85°C)
- 1M erase/write cycles, typical
- Data EEPROM retention > 20 years
• Data SRAM: up to 8 Kbytes
System Management:
• Flexible clock options:
- External, crystal, resonator, internal RC
- Fully integrated PLL (4X, 8X, 16X)
- Extremely low jitter PLL
• Programmable 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:
• Switch between clock sources in real time
• Programmable low-voltage detect
• Programmable Brown-out Reset
• Idle and Sleep modes with fast wake-up
Timers/Capture/Compare/PWM:
• Timer/counters: up to 5 16-bit timers:
- Can pair up to make 32-bit timers
- 1 timer can run as real-time clock with external
32 KHz oscillator
- Programmable prescaler
• Input capture: up to 8 channels:
- Capture on up, down or both edges
- 16-bit Capture input functions
- 4-deep FIFO on each capture
• Output compare: up to 8 channels:
- Single or dual 16-bit Compare mode
- 16-bit glitchless PWM mode dsPIC30F
Family Overview
dsPIC High-Performance 16-bit
Digital Signal Controller
2005 Microchip Technology Inc. DS70043F
Note the following details of the code protection feature on Microchip devices:
Microchip products meet the specification contained in their particular Microchip Data Sheet.
Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the
intended manner and under normal conditions.
There are dishonest and possibly illegal methods used to breach the code protection feature. All of these
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