DSPIC33EP64GP504-I/PT - 16-bit 70 MIPS DSC 64KB Flash | Microchip
MPN: DSPIC33EP64GP504-I/PT ✓ Hoạt độngDSPIC33EP64GP504-I/PT Tóm tắt
A digital signal controller combines the computational capability of a digital signal processor with the peripheral set and control architecture of a microcontroller. DSCs sit within the broader hierarchy of embedded processors - below general-purpose application processors but above basic 8-bit MCUs - and are purpose-built for closed-loop control and signal-processing workloads such as digital power conversion, motor control, and sensor fusion.
Key features of this family include a high-performance 16-bit DSP engine with hardware multiplier and barrel shifter, CAN 2.0B communication, a Charge Time Measurement Unit (CTMU), the Peripheral Trigger Generator (PTG) for autonomous peripheral sequencing, and advanced analog integration including a high-speed 12-bit ADC and comparators. Multiple general-purpose timers and output-compare/input-capture channels support precise PWM generation.
The dsPIC33EP architecture uses a modified Harvard bus structure with multiple internal buses, enabling single-cycle MAC operations and excellent code density. The 44-pin TQFP provides 51 I/O lines (per package data) with peripheral pin select (PPS) allowing flexible remapping of digital peripherals to available pins, which simplifies PCB routing.
Typical applications include brushless DC and PMSM motor drives, digital power supplies and solar inverters, industrial automation nodes with CAN connectivity, and high-speed sensor acquisition systems where the CTMU and fast ADC are directly beneficial.
A key design consideration: the core runs from an internal 1.8 V regulator, so the VCAP pin requires the datasheet-specified low-ESR capacitor for stable operation, and decoupling on every VDD pin is mandatory for reliable 70 MIPS operation.
This page synthesizes distributor pricing, drop-in alternatives, practical design notes, and an intent-optimized FAQ not found on the manufacturer product page alone.
Bộ thay thế dễ dàng lắp đặt cho DSPIC33EP64GP504-I/PT — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với DSPIC33EP64GP504-I/PT (cùng hình factor và footprint) — khác nhau ở Package, Operating Temperature, Program Memory (Flash), Communication Interfaces, Core Architecture.
DSPIC33EP64GP503-I/TL
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33EP64GP503-E/TL
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33EP128GP504-I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →DSPIC33EP256GP504-I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →DSPIC33EP32GP504-I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33EP64GP504-I/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | 16-bit dsPIC33E DSC |
| Max CPU Speed | 70 MIPS |
| Clock Speed | 60 MHz |
| Flash Program Memory | 64 KB (22K x 24) |
| RAM | 8 KB |
| Điện áp cung cấp | 3 V to 3.6 V |
| I/O Ports | 51 |
| Hộp | 44-pin TQFP (10x10 mm, PT) |
| Nhiệt độ hoạt động | -40C to +85C (Industrial, I-temp) |
| Communication Interfaces | CAN 2.0B, UART, SPI, I2C |
| ADC | High-speed 12-bit (advanced analog) |
| Special Peripherals | CTMU, PTG, Op Amps, High-Speed PWM |
| Timers | Up to 9 general-purpose 16-bit timers |
| Kiểu lắp đặt | Surface Mount |
| Program Memory Type | Flash |
| Lifecycle Stage | ACTIVE |
Cấu hình chân DSPIC33EP64GP504-I/PT
| Chân 1 | MCLR — Master clear reset input (active low) |
| Chân 2 | RB0/AN0 — Port B I/O / analog input 0 / VREF+ |
| Chân 3 | RB1/AN1 — Port B I/O / analog input 1 / VREF- |
| Chân 4 | RB2/AN2 — Port B I/O / analog input 2 |
| Chân 5 | RB3/AN3 — Port B I/O / analog input 3 / QEA index |
| Chân 6 | RB4/AN4 — Port B I/O / analog input 4 / QEA encoder input |
| Chân 7 | RB5/AN5 — Port B I/O / analog input 5 / QEB encoder input |
| Chân 8 | VSS — Ground reference |
| Chân 9 | OSC1/RC12 — Oscillator input / clock input |
| Chân 10 | OSC2/RC15 — Oscillator output / clock output |
| Chân 11 | VDD — Power supply (3.0 V to 3.6 V) |
| Chân 12 | RF2/RP15 — Port F I/O / PPS remappable pin (SDI1) |
| Chân 13 | RF3/RP14 — Port F I/O / PPS remappable pin (SDO1) |
| Chân 14 | RF4/RP13 — Port F I/O / PPS remappable pin / SOSCI |
| Chân 15 | RF5/RP12 — Port F I/O / PPS remappable pin / SOSCO |
| Chân 16 | VDD — Power supply |
| Chân 17 | RF8/RP27 — Port F I/O / PPS remappable pin |
| Chân 18 | RB6/RP6 — Port B I/O / PPS remappable pin |
| Chân 19 | RB7/RP7 — Port B I/O / PPS remappable pin |
| Chân 20 | VSS — Ground reference |
| Chân 21 | RA2 — Port A I/O |
| Chân 22 | RA3 — Port A I/O |
| Chân 23 | VCAP — Internal core regulator capacitor (low-ESR cap to VSS) |
| Chân 24 | RB8/RP8 — Port B I/O / PPS remappable pin |
| Chân 25 | RB9/RP9 — Port B I/O / PPS remappable pin |
| Chân 26 | VDD — Power supply |
| Chân 27 | RA9 — Port A I/O |
| Chân 28 | RF12 — Port F I/O / PPS remappable pin |
| Chân 29 | RF13 — Port F I/O / PPS remappable pin |
| Chân 30 | VSS — Ground reference |
| Chân 31 | RB12 — Port B I/O / analog input |
| Chân 32 | RB13 — Port B I/O / analog input |
| Chân 33 | VDD — Power supply |
| Chân 34 | RB14 — Port B I/O / analog input |
| Chân 35 | RB15 — Port B I/O / analog input |
| Chân 36 | RF0/RP20 — Port F I/O / PPS remappable pin |
| Chân 37 | RF1/RP21 — Port F I/O / PPS remappable pin |
| Chân 38 | RC1/RP29 — Port C I/O / PPS remappable pin (UC1TX) |
| Chân 39 | RC3/RP30 — Port C I/O / PPS remappable pin |
| Chân 40 | RG8 — Port G I/O / PPS remappable pin (SCL/U1RX) |
| Chân 41 | AVDD — Analog power supply |
| Chân 42 | AVSS — Analog ground |
| Chân 43 | RG6 — Port G I/O / PPS remappable pin (SCK1) |
| Chân 44 | RG7 — Port G I/O / PPS remappable pin (SDI/SDA) |
Ứng dụng tiêu biểu
DSPIC33EP64GP504-I/PT phù hợp cho 6 Áp dụngs: BLDC / PMSM Motor Control, Digital Power Conversion, Industrial Automation with CAN Networking, High-Speed Sensor Acquisition, Embedded Control Nodes with PTG Automation, Automotive-Adjacent Body and Comfort Electronics.
BLDC / PMSM Motor Control
The DSPIC33EP64GP504-I/PT is a strong fit for brushless DC and permanent-magnet synchronous motor drives because its 70 MIPS DSP core executes field-oriented control loops with single-cycle MAC instructions, keeping current-loop cycle times well under 50 microseconds. High-speed PWM peripherals generate complementary outputs with dead-time insertion, while the fast 12-bit ADC samples phase currents synchronized to PWM via the Peripheral Trigger Generator, minimizing control-loop jitter. In a typical design, the DSC reads hall or encoder feedback, runs Clarke/Park transforms and PI current loops in firmware, and drives a three-phase inverter directly. The CAN 2.0B interface connects the drive to higher-level industrial networks. Designers should budget flash carefully - a full FOC stack with CAN stacks comfortably fits within the 64 KB (22K x 24) program memory for single-motor applications.
Được đề xuất
Digital Power Conversion
Digital power supplies, LLC converters, and solar micro-inverters demand deterministic, high-frequency control that the DSPIC33EP64GP504-I/PT delivers through its 70 MIPS core and high-speed PWM module. PWM resolution at typical 100-500 kHz switching frequencies is sufficient for peak-current-mode and voltage-mode control, and the ADC can be triggered precisely at the midpoint of the PWM ramp to sample inductor current free of switching noise. The CTMU provides precise time measurement useful for auxiliary sensing, while on-chip comparators support fast hardware overcurrent protection independent of CPU latency. The 3.0-3.6 V supply integrates cleanly with standard housekeeping rails. With 64 KB of program memory, firmware for a converter with soft-start, burst mode, telemetry over UART or CAN, and protection state machines fits without compression, making this part a cost-effective digital-power controller.
Được đề xuất
Industrial Automation with CAN Networking
Factory automation nodes benefit from the DSPIC33EP64GP504-I/PT's combination of CAN 2.0B, multiple UART/SPI/I2C ports, and 51 remappable I/O lines in a compact 44-pin TQFP. A single device can service a CAN bus for supervisory communication while bit-banging or hardware-driving local sensors and actuators via the peripheral pin select, which lets engineers place digital functions on optimal PCB routing paths. The industrial -40C to +85C rating matches standard factory-floor environmental requirements, and the 8 KB RAM supports moderate message buffering and protocol stacks. The CTMU and 12-bit ADC handle analog condition monitoring such as temperature and current sensing without external front-ends in many designs. For pump, conveyor, and valve control subsystems requiring deterministic local control plus network connectivity, this DSC consolidates functions that would otherwise need an MCU plus a separate CAN controller.
Được đề xuất
High-Speed Sensor Acquisition
The DSPIC33EP64GP504-I/PT suits high-rate data acquisition thanks to its high-speed 12-bit ADC and DSP engine that can execute FIR/IIR filtering on sampled data in real time. The Peripheral Trigger Generator automates ADC sampling sequences without CPU intervention, and double-buffered DMA paths move results to RAM, keeping sample-and-process pipelines deterministic at hundreds of kilosamples per second. The CTMU adds precise charge-based measurement for capacitive or time-of-flight sensing tasks. With 51 I/O lines, the same chip can toggle sensor control signals, drive status LEDs, and stream processed results over UART or SPI to a host. Typical deployments include vibration monitoring nodes, ultrasonic flow measurement, and industrial weight scales using load-cell front ends. Firmware for calibration tables, filtering, and communications fits within 64 KB Flash for single-channel, single-protocol designs.
Được đề xuất
Embedded Control Nodes with PTG Automation
General embedded control tasks - sequenced test equipment, programmable logic nodes, protocol bridges - exploit the DSPIC33EP64GP504-I/PT's Peripheral Trigger Generator, which executes pre-programmed micro-code sequences that trigger ADC conversions, PWM updates, and timer events autonomously. This offloads deterministic timing from software, letting the 70 MIPS core handle communication parsing, decision logic, and user interfaces concurrently. The 51 remappable I/O lines accommodate mixed digital/analog subsystems on a single TQFP-44 footprint, reducing board area versus discrete MCU-plus-CPLD solutions. The CTMU supports capacitive touch buttons for panel interfaces without a dedicated touch controller. For equipment builders standardizing on one controller across product variants, the 128 KB and 256 KB GP504 pin-compatible upgrades provide firmware headroom while preserving the PCB layout - a meaningful lifecycle advantage over competitors requiring footprint changes for memory growth.
Được đề xuất
Automotive-Adjacent Body and Comfort Electronics
While the standard -I grade part targets industrial ranges, the DSPIC33EP64GP504-I/PT is used in automotive-adjacent (non-powertrain) electronics such as pump controllers, lighting modules, and HVAC actuators where CAN connectivity and motor/PWM control are required. The CAN 2.0B peripheral integrates directly with a MCP2551-class transceiver for 1 Mbps networks, and the high-speed PWM drives LED strings or DC motor H-bridges with hardware dead time. The 3.3 V operation simplifies integration with 5 V-tolerant-tolerant companion circuitry through proper level design. Designers needing genuinely extended temperature ranges should select the E-grade siblings (for example DSPIC33EP64GP503-E/TL) which share the family architecture. The 64 KB Flash accommodates diagnostics, UDS-style service layers, and calibration tables typical of body electronics, while the PTG keeps time-critical PWM/ADC loops running even during heavy communication interrupt loads.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC33EP64GP504-I/PT — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | DSPIC33EP64GP503-I/TL | DSPIC33EP64GP503-E/TL | DSPIC33EP128GP504-I/PT | DSPIC33EP256GP504-I/PT |
|---|---|---|---|---|---|
| Package | TQFP-44 (10x10 mm, PT) | TQFP-44 (10x10 mm, TL) - same | TQFP-44 (10x10 mm, TL) - same | TQFP-44 (10x10 mm, PT) - same | TQFP-44 (10x10 mm, PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | |
| CPU Speed | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | |
| Flash Memory | 64 KB (22K x 24) | 64 KB (22K x 24) | 128 KB (44K x 24) | 256 KB (88K x 24) | |
| Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | |
| Operating Temperature | -40C to +85C | -40C to +85C | Extended (E-grade), beyond -40C to +85C | -40C to +85C | |
| Communication Interfaces | CAN 2.0B, UART, SPI, I2C | CAN 2.0B, UART, SPI, I2C (verify instances) | CAN 2.0B, UART, SPI, I2C | CAN 2.0B, UART, SPI, I2C |
Bảo phân biệt quan trọng
- Cost-optimized 64 KB Flash point in the GP504 pinout (vsDSPIC33EP128GP504-I/PT)
- Same memory class with TQFP-44 availability diversification (vsDSPIC33EP64GP503-I/TL)
- Industrial -40C to +85C grade as standard (vsDSPIC33EP64GP503-E/TL)
- Honest trade-off: no pin-compatible cross-brand substitute (vsCross-brand MCUs (STM32/Renesas/NXP))
Ghi chú thiết kế
The dsPIC33E core is powered by an internal 1.8 V LDO whose output appears on the VCAP pin. Fit a low-ESR ceramic capacitor (value per datasheet, typically on the order of 10 uF plus a smaller parallel cap) directly at pin VCAP to ground; an unstable core rail is the most common cause of erratic resets at 70 MIPS. Decouple every VDD pin with 100 nF ceramics placed within 2 mm of the pin, plus one bulk 4.7-10 uF per device. Keep AVDD on a quiet, filtered supply (ferrite bead plus 1 uF) for full ADC accuracy.
Use Peripheral Pin Select (PPS) in firmware before finalizing the PCB: lock pin assignments only after simulating your routing, because PPS lets you place SPI, UART, and PWM functions on whichever remappable RPx pins shorten return paths. For PWM driving power stages, route PWM outputs away from analog lines feeding ANx inputs, and use a solid ground plane under the TQFP-44 rather than a thermal-relief island. Place the crystal and its load capacitors close to OSC1/OSC2 with guard grounds to minimize jitter on the 60 MHz clock.
Three recurring pitfalls with this family: (1) forgetting to unlock PPS with the required key sequence before remapping pins, which silently leaves peripherals on default pins; (2) exceeding the 3.6 V absolute supply maximum when a 5 V subsystem back-drives RF/RG pins - verify clamp currents on all mixed-voltage interfaces; (3) treating the 64 KB (22K x 24) limit as instruction count rather than 24-bit words - large math libraries and CAN stacks consume words quickly, so monitor the MPLAB X memory gauge early and plan the DSPIC33EP128GP504-I/PT pin-compatible upgrade path if the gauge exceeds about 80 percent.
Thông tin tuân thủ
Verified web data did not explicitly state RoHS/REACH/lead-free status. Lifecycle stage is listed as ACTIVE per distributor data. Current-production Microchip 44-pin TQFP parts are typically RoHS-compliant and lead-free, but this must be confirmed via the Microchip product page or a material declaration before use in compliance documentation.
