DSPIC33FJ64GP804T-I/ML - 16-bit 64KB DSC 44-QFN | Microchip
MPN: DSPIC33FJ64GP804T-I/ML ✓ Hoạt độngDSPIC33FJ64GP804T-I/ML Tóm tắt
A Digital Signal Controller combines the computational core of a Digital Signal Processor (DSP) with the peripheral set of a microcontroller (MCU), making the dsPIC33F family a superset of both product categories within the broader power-management-and-control semiconductor hierarchy. DSCs execute high-speed, repetitive math (multiply-accumulate, division support, barrel shifter) while retaining general-purpose I/O, timers, and communication peripherals on one chip.
Key features of the DSPIC33FJ64GP804T-I/ML include a modified Harvard 16-bit RISC core clocked at up to 40 MHz (40 MIPS), 8-channel DMA, 7 timers, and 3 serial I/O subsystems (UART, SPI, I2C) per distributor listings. The device operates from a 3 V to 3.6 V supply and integrates the General Purpose (GP) analog suite of the dsPIC33FJ64GPX04 family, including a high-speed 12-bit ADC and output-compare/PWM channels suited to control loops.
Architecturally, the dsPIC33F core supports DSP-class instructions with dual operand fetch and hardware multiply, enabling single-cycle MAC operations that an ordinary 8-bit or 16-bit MCU performs in software. Flash program memory is self-programmable, supporting field firmware updates.
Typical applications include industrial automation and motor-adjacent control, sensor signal processing, digital power conversion, and general embedded control where 16-bit math throughput and DMA-driven data movement are required.
When designing with this part, budget the 3.3 V rail precisely (3 V to 3.6 V) and use the exposed pad as the primary ground path for thermal and signal-integrity reasons.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet. All pricing references are as of 2026-09-27.
Bộ thay thế dễ dàng lắp đặt cho DSPIC33FJ64GP804T-I/ML — 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 DSPIC33FJ64GP804T-I/ML (cùng hình factor và footprint) — khác nhau ở Package, Operating Temperature, SRAM, Core Architecture, I/O Ports.
DSPIC33FJ64GP804-I/ML
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33FJ128GP804-I/ML
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ32GP304-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ128GP204-I/ML
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33FJ64GP204-I/ML
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33FJ64MC804-I/ML
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ64GP804T-I/ML Tỷ lệ tối đa & tính chất điện
| Core Architecture | 16-bit dsPIC33F RISC (modified Harvard) |
| Max Clock Speed | 40 MHz |
| Performance | 40 MIPS |
| Program Memory (Flash) | 64 KB |
| SRAM | 16 KB |
| Điện áp cung cấp | 3 V to 3.6 V |
| DMA Channels | 8 |
| Timers | 7 |
| Serial I/O Interfaces | 3 (UART/SPI/I2C combination) |
| External Interrupts | 3 |
| I/O Ports | 21 |
| Nhiệt độ hoạt động | -40C to +85C (Industrial, I suffix) |
| Hộp | 44-QFN, 8x8 mm, lead-free plastic (QFNL), exposed pad |
| Kiểu lắp đặt | Surface Mount |
| Packaging | Tape and Reel (T suffix) |
| ROM Type | Flash |
| Life Cycle Stage | Active |
| Technology | CMOS |
Cấu hình chân DSPIC33FJ64GP804T-I/ML
| Chân 1 | MCLR — Master clear reset input / programming voltage |
| Chân 2 | AN0/VREF+/CN2/RB0 — Analog input 0 / ADC positive reference / change notification / port B |
| Chân 3 | AN1/VREF-/CN3/RB1 — Analog input 1 / ADC negative reference / change notification / port B |
| Chân 4 | AN2/SS1/CN4/RB2 — Analog input 2 / SPI slave select 1 / change notification / port B |
| Chân 5 | AN3/INDX/CN5/RB3 — Analog input 3 / QEI index / change notification / port B |
| Chân 6 | AN4/QEA/IC7/CN6/RB4 — Analog input 4 / QEI phase A / input capture 7 / port B |
| Chân 7 | AN5/QEB/IC8/CN7/RB5 — Analog input 5 / QEI phase B / input capture 8 / port B |
| Chân 8 | VDD — Positive supply (3 V to 3.6 V) |
| Chân 9 | VSS — Ground reference |
| Chân 10 | OSC1/CLKI/CN30/RA2 — Oscillator crystal input / external clock input |
| Chân 11 | OSC2/CLKO/CN29/RA3 — Oscillator crystal output / clock output |
| Chân 12 | SOSCI/CN1/RB6 — Secondary oscillator input / change notification / port B |
| Chân 13 | SOSCO/T1CK/CN0/RB7 — Secondary oscillator output / Timer1 clock / port B |
| Chân 14 | VDD — Positive supply |
| Chân 15 | PGD/EMUD1/RF3 — In-circuit debug data / emulator data / port F |
| Chân 16 | PGC/EMUC1/RF2 — In-circuit debug clock / emulator clock / port F |
| Chân 17 | PGD2/EMUD2/RF4 — Secondary debug data / port F |
| Chân 18 | PGC2/EMUC2/RF5 — Secondary debug clock / port F |
| Chân 19 | SDA1/RG3 — I2C data 1 / port G |
| Chân 20 | SCL1/RG2 — I2C clock 1 / port G |
| Chân 21 | INT0/RF6 — External interrupt 0 / port F |
| Chân 22 | RF7 — General purpose I/O / UART function (per mux) |
| Chân 23 | VSS — Ground reference |
| Chân 24 | RF8 — General purpose I/O / UART function (per mux) |
| Chân 25 | RF13 — General purpose I/O (per mux) |
| Chân 26 | RP10/RF4 — Remappable peripheral pin / port F |
| Chân 27 | RP11/RF5 — Remappable peripheral pin / port F |
| Chân 28 | RP12/RF12 — Remappable peripheral pin / port F |
| Chân 29 | RP13/RF13 — Remappable peripheral pin / port F |
| Chân 30 | VDDCORE/VCAP — Core supply / internal regulator capacitor connection |
| Chân 31 | RP14/RF3 — Remappable peripheral pin / port F |
| Chân 32 | RP15/RF13 — Remappable peripheral pin / port F |
| Chân 33 | RP2/RB8 — Remappable peripheral pin / port B |
| Chân 34 | RP3/RB9 — Remappable peripheral pin / port B |
| Chân 35 | TMS/RA0 — JTAG test mode select / port A |
| Chân 36 | TCK/RA1 — JTAG test clock / port A |
| Chân 37 | TDI/RB10 — JTAG test data input / port B |
| Chân 38 | TDO/RB11 — JTAG test data output / port B |
| Chân 39 | VSS — Ground reference |
| Chân 40 | VDD — Positive supply |
| Chân 41 | AN6/RB12 — Analog input 6 / port B |
| Chân 42 | AN7/RB13 — Analog input 7 / port B |
| Chân 43 | AN8/RB14 — Analog input 8 / port B |
| Chân 44 | AN9/RB15 — Analog input 9 / port B |
Ứng dụng tiêu biểu
DSPIC33FJ64GP804T-I/ML phù hợp cho 6 Áp dụngs: Industrial Automation and Control, Sensor Signal Processing, General Embedded Control with DSP Workloads, Digital Power and Battery Charger Control, Audio Signal Path Processing, Automotive and Off-Highway Auxiliary Systems.
Industrial Automation and Control
Factory automation nodes need deterministic control loops, robust serial links, and DMA-driven data buffering. The DSPIC33FJ64GP804T-I/ML fits because its 40 MIPS 16-bit core executes PID and filtering math in single-cycle multiply-accumulate instructions, while 8 DMA channels move ADC samples to RAM without CPU stalls. The industrial -40C to +85C grade and 3 V to 3.6 V supply suit cabinet electronics. Used as the main controller driving sensor acquisition over SPI/I2C and reporting over UART to a PLC gateway, it quantifiably reduces loop latency versus 8-bit parts. Trade-off: the 3.3 V-only rail requires level shifting to legacy 5 V industrial I/O.
Được đề xuất
Sensor Signal Processing
Conditioning signals from strain gauges, microphones, or accelerometers demands DSP throughput with MCU integration. The DSPIC33FJ64GP804T-I/ML provides 40 MIPS of 16-bit DSP performance (single-cycle MAC, dual operand fetch) plus the GP analog acquisition suite of the GPX04 family, enabling on-chip filtering and FFT preprocessing. Its 64 KB Flash holds FFT tables and calibration routines; 16 KB SRAM buffers multi-channel ADC streams via DMA. Deployed between the analog front end and a host, it performs decimation, notch filtering, and thresholding locally, cutting host bandwidth. Trade-off: verify ADC sampling parameters against the family datasheet for your exact channel count.
Được đề xuất
General Embedded Control with DSP Workloads
Many products need ordinary firmware tasks - state machines, displays, serial protocols - plus periodic DSP-class computation such as audio preprocessing or encryption. The DSPIC33FJ64GP804T-I/ML serves both roles on one die: 7 timers and 3 serial I/O ports handle communication and scheduling, while the 16-bit DSP engine handles math kernels at 40 MIPS. With 64 KB Flash there is headroom for a bootloader plus application code, and 8 DMA channels keep UART/SPI traffic off the CPU. This avoids a two-chip MCU-plus-DSP architecture, reducing BOM cost and board area. Trade-off: 3.3 V logic limits direct 5 V peripheral interfacing.
Được đề xuất
Digital Power and Battery Charger Control
Switching converter and charger control loops require fast, deterministic math and precise timing. The DSPIC33FJ64GP804T-I/ML closes control loops at kilohertz rates using its 40 MIPS core and 7 timers for PWM generation and loop scheduling; DMA streams ADC results into RAM for filtering. The 16-bit architecture gives resolution headroom over 8-bit controllers in current-mode control calculations. For non-critical power stages such as multi-chemistry chargers or secondary rails, this GP DSC is a cost-effective fit. For hard-switching SMPS and PFC front ends, Microchip's GS-series digital power DSCs provide purpose-built peripherals; this part suits general power-adjacent control duties.
Được đề xuất
Audio Signal Path Processing
The GP (General Purpose) analog focus of the GPX04 family makes this DSC appropriate for mid-rate audio processing such as active crossover filtering, dynamic range compression, and acoustic echo handling at sample rates up to tens of kilohertz. The 40 MIPS core with hardware MAC sustains biquad filter cascades per channel, and the 64 KB Flash stores coefficient sets and boot logic. UART or SPI links transport I2S-adjacent control data to external codecs. Using the exposed-pad QFN for clean ground referencing helps analog noise performance. Trade-off: for high-resolution, high-sample-rate audio, an external codec with dedicated I2S is still required since peripheral mapping must be confirmed in the family datasheet.
Được đề xuất
Automotive and Off-Highway Auxiliary Systems
Non-powertrain automotive electronics - lighting controllers, pump controllers, telemetry nodes - often need DSP computation with industrial-grade robustness. The -40C to +150C capable H/ML sibling (DSPIC33FJ64GP804T-H/ML per Microchip USA listing) shares this die, allowing thermal-grade selection without redesign, while the I/ML grade here covers cabin and underhood-adjacent zones at -40C to +85C. 40 MIPS enables sensor fusion and control-law computation; 8 DMA channels service redundant sensor polling. The 44-QFN 8x8 mm package fits compact modules. Trade-off: this part is not AEC-Q100 qualified as standard - select the H-grade variant and confirm qualification scope with Microchip for safety-relevant deployments.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC33FJ64GP804T-I/ML — 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 | DSPIC33FJ64GP804-I/ML | DSPIC33FJ128GP804-I/ML | DSPIC33FJ32GP304-I/ML | DSPIC33FJ128GP204-I/ML | DSPIC33FJ64MC804-I/ML |
|---|---|---|---|---|---|---|
| Package | 44-QFN (8x8 mm), exposed pad | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 64 KB | 64 KB | 128 KB | 32 KB | 128 KB | 64 KB |
| Max Performance | 40 MHz / 40 MIPS | 40 MHz / 40 MIPS | 40 MHz / 40 MIPS | 40 MHz / 40 MIPS | 40 MHz / 40 MIPS | 40 MHz / 40 MIPS |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| 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 | 3 V to 3.6 V | 3 V to 3.6 V |
| Family Peripheral Focus | General Purpose (GP) analog suite | GP analog suite | GP analog suite | GP analog suite (subset per family doc) | GP family subset | Motor Control (MC) peripherals |
Bảo phân biệt quan trọng
- Balanced 64 KB Flash for cost vs headroom (vsDSPIC33FJ128GP804-I/ML)
- Tape-and-reel production packaging (vsDSPIC33FJ64GP804-I/ML)
- GP analog suite for signal-chain designs (vsDSPIC33FJ64MC804-I/ML)
- More Flash than entry variant (vsDSPIC33FJ32GP304-I/ML)
Ghi chú thiết kế
The DSPIC33FJ64GP804T-I/ML operates from a strict 3 V to 3.6 V rail; use a 3.3 V LDO or buck with +/-3% tolerance under all load transients. The internal core regulator requires a low-ESR capacitor (typically ~10 uF, per family datasheet) on the VDDCORE/VCAP pin - undersizing or omitting this capacitor is the most common cause of brownout or non-start. Decouple each VDD pin with 100 nF ceramics placed within 2 mm of the pin, plus one bulk 4.7-10 uF per supply domain.
The 44-QFN (8x8 mm) exposed pad is the primary ground path: create a via array (minimum 3x3 grid) connecting the pad to a solid ground plane. This reduces ground impedance for the ADC and improves heat spreading. Keep the crystal loop (OSC1/OSC2 and SOSCI/SOSCO) compact with guard ground, and route analog inputs AN0-AN9 away from switching nodes. During reflow, follow the MSL rating on the moisture-sensitive label and bake per J-STD-033 if shelf life is exceeded.
Three frequent integration errors: (1) forgetting that RPn remappable pins must be locked after configuration (unlock sequence) or peripherals silently revert; (2) using PGD/PGC pins (pins 15-18) for general I/O, which breaks In-Circuit Serial Programming; (3) assuming 5 V tolerant I/O - this 3.3 V device is not 5 V tolerant on most pins, so level-shift or series-resistor-protect interfaces to legacy 5 V logic. Also verify silicon errata for the dsPIC33FJ64GPX04 family before committing to I2C or ECAN-heavy designs.
Thông tin tuân thủ
Package described in verified data as 'LEAD FREE, PLASTIC, QFNL'; RoHS compliance inferred from lead-free QFN packaging per digchip listing. REACH/halogen/conflict-minerals status not stated in provided data.
