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PIC24FJ64GA002 Datasheet(PDF) 7 Page - Microchip Technology |
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PIC24FJ64GA002 Datasheet(HTML) 7 Page - Microchip Technology |
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7 / 278 page  2010-2013 Microchip Technology Inc. DS39881E-page 7 PIC24FJ64GA004 FAMILY 1.0 DEVICE OVERVIEW This document contains device-specific information for the following devices: • PIC24FJ16GA002 • PIC24FJ32GA002 • PIC24FJ48GA002 • PIC24FJ64GA002 • PIC24FJ16GA004 • PIC24FJ32GA004 • PIC24FJ48GA004 • PIC24FJ64GA004 This family introduces a new line of Microchip devices: a 16-bit microcontroller family with a broad peripheral feature set and enhanced computational performance. The PIC24FJ64GA004 family offers a new migration option for those high-performance applications which may be outgrowing their 8-bit platforms, but don’t require the numerical processing power of a digital signal processor. 1.1 Core Features 1.1.1 16-BIT ARCHITECTURE Central to all PIC24F devices is the 16-bit modified Harvard architecture, first introduced with Microchip’s dsPIC® Digital Signal Controllers (DSCs). The PIC24F CPU core offers a wide range of enhancements, such as: • 16-bit data and 24-bit address paths with the ability to move information between data and memory spaces • Linear addressing of up to 12 Mbytes (program space) and 64 Kbytes (data) • A 16-element working register array with built-in software stack support • A 17 x 17 hardware multiplier with support for integer math • Hardware support for 32 by 16-bit division • An instruction set that supports multiple addressing modes and is optimized for high-level languages such as ‘C’ • Operational performance up to 16 MIPS 1.1.2 POWER-SAVING TECHNOLOGY All of the devices in the PIC24FJ64GA004 family incorporate a range of features that can significantly reduce power consumption during operation. Key items include: • On-the-Fly Clock Switching: The device clock can be changed under software control to the Timer1 source or the internal, low-power RC oscillator during operation, allowing the user to incorporate power-saving ideas into their software designs. • Doze Mode Operation: When timing-sensitive applications, such as serial communications, require the uninterrupted operation of peripherals, the CPU clock speed can be selectively reduced, allowing incremental power savings without missing a beat. • Instruction-Based Power-Saving Modes: The microcontroller can suspend all operations, or selectively shut down its core while leaving its peripherals active, with a single instruction in software. 1.1.3 OSCILLATOR OPTIONS AND FEATURES All of the devices in the PIC24FJ64GA004 family offer five different oscillator options, allowing users a range of choices in developing application hardware. These include: • Two Crystal modes using crystals or ceramic resonators. • Two External Clock modes offering the option of a divide-by-2 clock output. • A Fast Internal Oscillator (FRC) with a nominal 8 MHz output, which can also be divided under software control to provide clock speeds as low as 31 kHz. • A Phase Lock Loop (PLL) frequency multiplier, available to the External Oscillator modes and the FRC oscillator, which allows clock speeds of up to 32 MHz. • A separate internal RC oscillator (LPRC) with a fixed 31 kHz output, which provides a low-power option for timing-insensitive applications. The internal oscillator block also provides a stable reference source for the Fail-Safe Clock Monitor. This option constantly monitors the main clock source against a reference signal provided by the internal oscillator and enables the controller to switch to the internal oscillator, allowing for continued low-speed operation or a safe application shutdown. |
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Similar Description - PIC24FJ64GA002 |
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