DSPIC33FJ64GP204-I/PT Microchip dsPIC33F 16-Bit Digital Signal Controller 40MIPS 64KB Flash General Purpose PWM ADC TQFP-44

DSPIC33FJ64GP204-I/PT Product Overview

The DSPIC33FJ64GP204-I/PT is a Microchip general-purpose 16-bit Digital Signal Controller (DSC) in a 44-lead TQFP package, designed for 3.3V embedded control applications requiring large memory, rich peripherals, and high-speed processing. Based on the dsPIC33F core running at 40 MIPS, the DSPIC33FJ64GP204-I/PT integrates 64KB Flash and 8KB SRAM, providing ample storage for complex algorithms, real-time data buffers, and communication stacks. On-chip peripherals include five 16-bit timers, four input captures, four output compares/PWM, a 10-bit ADC (up to 1.1 Msps, up to 13 analog input channels), and three analog comparators. Communication interfaces provide 2× UART, 1× SPI, and 1× I2C, with Peripheral Pin Select (PPS) for flexible digital pin mapping. Operating from 3.0V to 3.6V with an industrial temperature range of -40°C to +85°C, in a TQFP-44 package. The DSPIC33FJ64GP204-I/PT is ideal for general embedded control, industrial automation, data acquisition systems, communication gateways, and real-time control systems that require efficient DSP capability, large memory, and moderate I/O density.

DSPIC33FJ64GP204-I/PT Core Features

Processor Core: The DSPIC33FJ64GP204-I/PT features a 16-bit dsPIC33F core, 40 MIPS, DSP-enhanced instruction set.

Program Memory: The DSPIC33FJ64GP204-I/PT provides 64KB Flash.

Data Memory: The DSPIC33FJ64GP204-I/PT includes 8KB SRAM.

Timers & Signal Processing: The DSPIC33FJ64GP204-I/PT offers 5× 16-bit timers, 4× input capture, 4× output compare/PWM.

Analog Front-End: The DSPIC33FJ64GP204-I/PT integrates a 10-bit ADC (1.1 Msps, up to 13 channels), 3 analog comparators.

Communication Interfaces: The DSPIC33FJ64GP204-I/PT supports 2× UART, 1× SPI, 1× I2C, with Peripheral Pin Select (PPS).

System Management: The DSPIC33FJ64GP204-I/PT includes a watchdog timer, BOR/POR, on-chip oscillator.

General Purpose I/O: The DSPIC33FJ64GP204-I/PT provides up to 35 programmable I/O pins.

Power & Package: The DSPIC33FJ64GP204-I/PT operates from 3.0V – 3.6V, in a TQFP-44 package, industrial -40°C to +85°C.

DSPIC33FJ64GP204-I/PT Applications

Industrial Automation: The DSPIC33FJ64GP204-I/PT is suitable for sensor interfaces, process controllers, data acquisition systems, PLC expansion modules.

Communication Gateways: The DSPIC33FJ64GP204-I/PT handles dual-UART protocol converters, RS-485/RS-232 hubs, IoT edge nodes.

Consumer & Appliance: The DSPIC33FJ64GP204-I/PT can be used in smart appliance main controls, HMI, audio processing systems.

General Embedded Control: The DSPIC33FJ64GP204-I/PT replaces multiple 8/16-bit MCUs in algorithm-intensive applications.

DSPIC33FJ64GP204-I/PT Key Advantages

Massive Memory: The DSPIC33FJ64GP204-I/PT's 64KB Flash and 8KB SRAM effortlessly handle digital filters, FFT, complex logic, and dual protocol stacks, ensuring long-term headroom for feature expansion and field upgrades.

40 MIPS DSP Performance: The DSPIC33FJ64GP204-I/PT's single-cycle MAC and DSP instructions efficiently execute real-time control, signal processing, and closed-loop algorithms, far outperforming typical 16-bit MCUs.

Dual UART + PPS: Two independent UARTs of the DSPIC33FJ64GP204-I/PT allow simultaneous debug, Bluetooth/Wi-Fi module connection, or RS-485 communication; PPS flexibly assigns pins, significantly simplifying PCB layout.

TQFP-44 High I/O Count: The DSPIC33FJ64GP204-I/PT provides up to 35 I/O pins for medium-density boards, reducing the need for external I/O expanders.

3.3V Low-Voltage Operation: The DSPIC33FJ64GP204-I/PT is level-compatible with mainstream MCUs, DSPs, and digital logic, eliminating extra level shifters and lowering BOM cost.

Mature Development Tools: Free MPLAB X IDE and XC16 compiler, with MCC, DSP libraries, and peripheral libraries, accelerate development with the DSPIC33FJ64GP204-I/PT.

Long-Term Availability: The DSPIC33FJ64GP204-I/PT is a mature dsPIC33F family product with stable long-term supply commitment.

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FAQ

1. What is the DSPIC33FJ64GP204-I/PT?
   The DSPIC33FJ64GP204-I/PT is a Microchip general-purpose 16-bit Digital Signal Controller (DSC) for 3.3V embedded control and signal processing.
   • Package: 44-lead TQFP
   • Performance: 40 MIPS
   • Memory: 64KB Flash, 8KB SRAM
   • ADC: 10-bit, 1.1 Msps, 13 channels
   • Comparators: 3
   • Communication: 2× UART, 1× SPI, 1× I2C (PPS)
   • Timers/Control: 5× 16-bit timers, 4× input capture, 4× output compare/PWM
   • Supply: 3.0V – 3.6V
   • Temperature: Industrial -40°C to +85°C
2. What does the “-I/PT” suffix mean?
   
   • -I: Industrial temperature range (-40°C to +85°C) for the DSPIC33FJ64GP204-I/PT.
   • /PT: 44-lead TQFP package.
3. How does it differ from the DSIC33FJ32GP202 and motor-control series?
   
   • Positioning: The DSPIC33FJ64GP204-I/PT is general-purpose; GP202 is also general-purpose but with fewer pins; MC series targets motor control; GS series targets digital power.
   • Memory: The DSPIC33FJ64GP204-I/PT has 64KB Flash and 8KB SRAM, doubling the GP202 (32KB/4KB), suiting more complex algorithms.
   • PWM: 4 output compare/PWM, no dedicated motor-control PWM module (no complementary outputs or dead-time).
   • I/Os: TQFP-44 provides up to 35 I/Os, significantly more than SOIC-28.
   • Use cases: The DSPIC33FJ64GP204-I/PT excels in general control needing large memory and many I/Os; MC for high-performance motor control.
4. What is the ADC speed and resolution?
   
   • The DSPIC33FJ64GP204-I/PT features a 10-bit ADC with a maximum sampling rate of 1.1 Msps, up to 13 analog input channels.
5. What are the practical benefits of 64KB Flash?
   
   • The DSPIC33FJ64GP204-I/PT's large Flash accommodates complex logic, digital filters, FFT, and dual communication stacks.
   • Reserves ample space for field upgrades (OTA) and long-term feature additions, extending product lifecycle.
6. What is the supply voltage? Why use 3.3V?
   
   • The DSPIC33FJ64GP204-I/PT operates from 3.0V to 3.6V, nominal 3.3V.
   • 3.3V enables direct connection to mainstream MCUs, sensors, and digital logic without extra level shifters, simplifying design and reducing cost.
7. Can it be used to control motors?
   The DSPIC33FJ64GP204-I/PT's four output compares can generate simple PWM signals for brushed DC or stepper motors (with external drivers). However, it lacks complementary outputs and dead-time insertion, making it unsuitable for high-performance BLDC/PMSM control. For dedicated motor control, the dsPIC33F MC series is recommended.
8. What development tools and software are supported?
   
   • The DSPIC33FJ64GP204-I/PT is supported by free MPLAB X IDE and MPLAB XC16 compiler.
   • Hardware debuggers: PICkit, ICD series.
   • Software: MPLAB Code Configurator (MCC), DSP libraries, peripheral libraries.
9. What is the TQFP-44 package size?
   Standard 44-lead TQFP, body size approx. 10mm × 10mm, 0.8mm pin pitch – suitable for medium-density layouts and automated assembly of the DSPIC33FJ64GP204-I/PT.
10. Is the DSPIC33FJ64GP204 suitable for new designs?
    Yes, the DSPIC33FJ64GP204-I/PT is a mature, reliable general-purpose DSC with 64KB Flash, 8KB SRAM, dual UARTs, and rich peripherals. It offers a cost-effective solution for industrial automation, communication gateways, and algorithm-intensive embedded applications, backed by Microchip's long-term availability.