PIC24FJ64GB004-I/PT this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PIC24FJ64GB004-I/PT price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for PIC24FJ64GB004-I/PT to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.
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Key Features of PIC24FJ64GB004-I/PT:
- Core: 16-bit, up to 16 MIPS operation at 32 MHz.
- Memory: 64KB Flash and 8KB RAM, supporting sophisticated programs and real-time data processing.
- Peripherals: Integrated USB 2.0 Full-Speed, I²C, SPI, UARTs, timers, ADC, and more.
- I/Os: Extensive input/output capabilities, with up to 35 programmable I/O pins for interfacing with external devices.
- Power Efficiency: Low power consumption modes for battery-powered applications.
Application Scenario - USB Communication Interface:
A common application of the PIC24FJ64GB004-I/PT is to create a USB communication interface that enables data transfer between a PC and an embedded system. This scenario demonstrates how to design a circuit that utilizes the MCU's USB functionality.
1. USB Interface Configuration: First, the D+ and D- USB lines should be connected to pins 14 (RP14) and 15 (RP15) of the PIC24FJ64GB004-I/PT respectively. These pins are designated for USB data transfer. A 1.5kΩ pull-up resistor is also required on the D+ line to signal the USB host for connection.
2. Power Supply Consideration: The PIC24FJ64GB004-I/PT operates at 3.3V. Therefore, a 3.3V voltage regulator is essential to ensure a stable power supply from a 5V USB connection. The VDD pin (pin 39) and AVDD pin (pin 28) should be connected to the 3.3V output of the regulator.
3. Programming Interface: ICSP (In-Circuit Serial Programming) pins are utilized to upload firmware. MCLR (pin 1) should be connected to the programmer's MCLR output, PGEC1 (pin 5) to the programmer's PGC, and PGED1 (pin 4) to the programmer's PGD. A 10kΩ pull-up resistor on the MCLR pin is recommended to ensure proper reset functionality.
4. Crystal Oscillator for Clock Source: A 12MHz crystal oscillator is connected to OSC1 (pin 11) and OSC2 (pin 12) to provide an accurate clock for USB communication. To stabilize the oscillator circuit, connect two 22pF capacitors to ground from each of these pins.
5. Capacitive Decoupling: To minimize power supply noise, 0.1μF capacitors should be placed close to the VDD and AVDD pins for decoupling.
Design Considerations:
- Electromagnetic Interference (EMI): Care must be taken to layout the PCB to minimize EMI, especially around the oscillator and USB lines.
- Firmware: The USB stack provided by Microchip should be tailored to fit the application's specific needs.
- Power Consumption: When designing for battery-operated devices, power-saving modes of the PIC24FJ64GB004-I/PT should be effectively utilized.
In conclusion, the PIC24FJ64GB004-I/PT microcontroller is a powerful and flexible solution for developing USB communication interfaces among other embedded applications. It is perfect for a variety of applications because to its large peripheral set and low power consumption. When designing circuits with this MCU, attention to detail in the areas of power management, programming interface, and signal integrity is crucial for the successful deployment of the system.
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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of PIC24FJ64GB004-I/PT.
(3)The PartNo is unused and only in the original unpacked packaging.
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(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
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