DSPIC33FJ256GP710A-E/PT - 16-bit DSC 40MIPS 256KB Flash | Microchip
MPN： DSPIC33FJ256GP710A-E/PT ✓ 啟用中DSPIC33FJ256GP710A-E/PT 概覽
A Digital Signal Controller combines the computational architecture of a digital signal processor with the peripheral set and ease of use of a microcontroller. Within the power-management hierarchy of embedded systems, the dsPIC33F family sits between general-purpose PIC24 microcontrollers and dedicated DSPs, offering DSP engine instructions (MAC, DSP multiply, barrel shifter) alongside standard MCU peripherals.
Key features of the DSPIC33FJ256GP710A include 85 general-purpose I/O pins, two 3-wire SPI ports, two I2C interfaces, two UART modules, and advanced analog integration suited to speech and audio processing, as highlighted by Future Electronics. The A variant of the dsPIC33FJ256GP710 family adds codec interfaces, making it well-suited for audio and speech applications.
The device is qualified to AEC-Q100 for automotive use (denoted by the /E temperature grade and automotive listing in distributor data) and operates from a single 3.0 V to 3.6 V supply. The modified Harvard architecture with a 16-bit data path and DSP instruction support enables single-cycle MAC operations for filtering and control loops. Program flash is rated for in-system self-programming, and ICSP/ICD programming is supported through paired PGECx/PGEDx pins.
Typical applications include automotive control modules, speech and audio processing systems, digital power conversion, sensor signal conditioning, and industrial control requiring DSP-class math with MCU-class integration. Development is supported by the Explorer 16/32 Development Board and the MPLAB XC-DSC C/C++ compiler.
Design consideration: supply voltage must remain within 3.0 V to 3.6 V, and multiple PGECx/PGEDx pin pairs must be used as matched pairs during programming.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
直接替換替代品，適用於 DSPIC33FJ256GP710A-E/PT — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： DSPIC33FJ256GP710A-E/PT （相同外形與佔位） — 差異在於 Package, Operating Temperature, Core Architecture, Maximum CPU Speed, Programming Interface.
DSPIC33FJ256GP710A-I/PT
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33FJ256GP710A-H/PT
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33FJ256GP510-I/PF
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33FJ256GP510T-I/PT
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33FJ256GP710-I/PT
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33FJ128MC710-I/PT
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33FJ256GP710A-E/PT 最大額定值與電氣特性
| Core Architecture | 16-bit dsPIC33F RISC with DSP engine |
| Maximum CPU Speed | 40 MIPS |
| Program Memory Size | 256 KB (256K x 8) Flash |
| RAM Size | 30 KB (30K x 8) |
| Supply Voltage Range | 3 V to 3.6 V |
| General Purpose I/O | 85 |
| 封裝 | 100-TQFP (12x12 mm) |
| 安裝類型 | Surface Mount |
| 工作溫度 | -40C to +125C (E grade) |
| Qualification | AEC-Q100 (automotive) |
| Product Family | dsPIC33FJ256GP710A (General Purpose) |
| Packaging | Tray |
| Programming Interface | ICSP/ICD via PGECx/PGEDx pin pairs |
| Communication Peripherals | SPI, I2C, UART, codec interfaces |
| Typical Applications | Speech and audio processing, automotive, motor control |
DSPIC33FJ256GP710A-E/PT 100-tqfp (12x12 mm) 腳位配置指南
DSPIC33FJ256GP710A-E/PT（100-tqfp (12x12 mm) 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： DSPIC33FJ256GP710A-E/PT.
請參閱 資料表 以查看完整腳位配置。
典型應用
DSPIC33FJ256GP710A-E/PT 適用於 6 應用s: Speech and Audio Processing, Automotive Control Modules, Digital Power Conversion, Industrial Control and Automation, Motor Control, Test and Measurement Instrumentation.
Speech and Audio Processing
The DSPIC33FJ256GP710A-E/PT is well-suited to speech and audio processing because, per Future Electronics, this controller with codec interfaces was designed for exactly this class of workload. The 40 MIPS 16-bit DSP core executes single-cycle MAC and DSP multiply instructions needed for FIR/IIR filtering, echo cancellation, and audio compression, while 30 KB SRAM holds filter states and delay lines. Integrated codec interfaces connect directly to audio front ends, and two UARTs plus SPI/I2C bridge to host processors. Placed as the local audio DSP with a 3.3 V rail, it removes the need for a separate external DSP chip, reducing BOM cost and board area in intercom, conferencing, and voice-recognition front-end designs.
推薦
Automotive Control Modules
With AEC-Q100 qualification and the /E extended temperature grade of -40C to +125C, the DSPIC33FJ256GP710A-E/PT targets automotive body, comfort, and sensor-fusion modules. The 85 GPIO pins drive relays, lamps, and LIN-style networks, while the 40 MIPS DSP engine runs sensor filtering and closed-loop control concurrently with communication stacks on two SPI, two I2C, and two UART peripherals. The 3.0 V to 3.6 V supply matches standard automotive 3.3 V logic domains regulated from the 12 V battery rail. Deployed as the module's main controller, it provides 256 KB Flash for calibration tables and firmware growth, and ICSP programming via matched PGECx/PGEDx pairs supports in-line reprogramming on the production line.
推薦
Digital Power Conversion
In digital power supplies, PFC stages, and DC-DC converters, the DSPIC33FJ256GP710A-E/PT provides the 40 MIPS throughput and DSP multiply capability required to execute proportional-integral control loops at switching frequencies in the tens of kilohertz with per-cycle current sampling. The 16-bit core computes loop compensation in single-cycle MAC operations, while high GPIO count (85 pins) supervises fault flags, fan control, and telemetry interfaces over UART or SPI. Operating from a tightly regulated 3.3 V rail derived from the auxiliary bias supply, the controller interfaces with gate drivers and ADC front ends across the PCB. Using the same 100-TQFP family across product power tiers lets one firmware base scale from low-power to high-power variants.
推薦
Industrial Control and Automation
Factory automation nodes benefit from the DSPIC33FJ256GP710A-E/PT combination of 85 I/O, dual SPI/I2C/UART sets, and DSP-class math for vibration monitoring, sensor conditioning, and actuator sequencing. The 100-pin TQFP provides enough pins to drive displays, keypads, and limit switches without port expanders, while 256 KB Flash retains multiple firmware configurations and logging tables in the field. The -40C to +125C rating tolerates cabinet-mounted environments near drives and heaters, and AEC-Q100 qualification provides headroom margin for industrial reliability screening. Firmware developed with the MPLAB XC-DSC compiler ports directly across the dsPIC33F 100-pin family, protecting software investment when I/O or memory requirements shift between machine variants.
推薦
Motor Control
The dsPIC33F architecture's DSP engine makes the DSPIC33FJ256GP710A-E/PT effective for field-oriented control of PMSM and BLDC motors, computing Clarke/Park transforms and PI current loops at 40 MIPS with deterministic single-cycle multiply-accumulate timing. The broad 85-pin GPIO budget accommodates gate-driver PWM outputs, encoder or hall inputs, and safety interlocks on one device, while the 30 KB SRAM holds current-loop histories and trajectory tables. The /E temperature grade suits motor-adjacent mounting where ambient can approach +125C. Note that Microchip also offers the dedicated MC (Motor Control) family in the identical 100-pin TQFP footprint, such as the dsPIC33FJ128MC710, if your design prioritizes motor peripherals over codec interfaces.
推薦
Test and Measurement Instrumentation
Bench and portable instruments use the DSPIC33FJ256GP710A-E/PT as a front-end signal-processing controller: the 40 MIPS DSP core performs FFT windowing, averaging, and calibration math on sampled data, while the dual UART and SPI interfaces stream results to a display or host PC. The 256 KB Flash stores lookup tables, unit calibration constants, and multi-protocol firmware; 30 KB SRAM buffers acquisition records. The extended -40C to +125C rating supports handheld instruments left in vehicles or used near heat sources, and AEC-Q100 qualification adds component-reliability margin valued in professional equipment. Development on the Explorer 16/32 board with a 100-pin PIM accelerates prototyping of the instrument's control subsystem.
推薦
推薦產品摘要
工程參考資料，適用於 DSPIC33FJ256GP710A-E/PT — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | DSPIC33FJ256GP710A-I/PT | DSPIC33FJ256GP710A-H/PT | DSPIC33FJ256GP510-I/PF | DSPIC33FJ128MC710-I/PT |
|---|---|---|---|---|---|
| Package | 100-TQFP (12x12 mm) | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 256 KB | 256 KB | 256 KB | 256 KB | 128 KB |
| Max CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
主要差異化特點
- Extended temperature with automotive qualification (對比DSPIC33FJ256GP710A-I/PT)
- A-variant codec interfaces for audio (對比DSPIC33FJ256GP710 (non-A))
- Double the flash of the MC-family footprint twin (對比DSPIC33FJ128MC710-I/PT)
設計說明
Supply the DSPIC33FJ256GP710A-E/PT from a regulated 3.0 V to 3.6 V rail; the dsPIC33F family has narrow absolute-maximum margins, so a 3.3 V LDO or buck with tight transient response is required. Decouple every VDD/VSS pin pair with 100 nF ceramic capacitors placed within 2 mm of the pins, plus bulk capacitance near the regulator. On automotive rails, add a load-dump-rated upstream regulator and reverse-polarity protection before the 3.3 V point.
The 100-pin TQFP (0.5 mm pitch) requires careful fan-out: use 0.2 mm traces with via-in-pad avoided on signal pins, and reserve a solid ground plane on layer 2 for analog peripherals. Route at least one complete PGECx/PGEDx pair to a 5-pin programming header (MCLR, VDD, GND, PGEC, PGED) for ICSP; mixing pins from different pairs breaks programming. Keep crystal traces short and guard them with ground pour.
The device has multiple PGECx/PGEDx pairs and any pair works for ICSP, but pins must be used as a matched pair (PGEC2 with PGED2, for example) - a common bring-up failure is crossing pairs. Also do not assume the /I grade part substitutes for the /E in +85C to +125C environments: the E grade's AEC-Q100 qualification and 125C ceiling are the reasons to specify this exact MPN.
At 40 MIPS with fast edge rates, keep clock and high-toggle I/O away from analog inputs, and series-terminate long traces to reduce ringing. The A-variant codec interfaces carry audio-rate serial data; route these as matched-length pairs with ground guards to minimize jitter-induced artifacts.
合規資訊
Distributor data (Master Electronics, FindIC) lists 'Automotive, AEC-Q100' qualification and the /E temperature grade. RoHS/REACH/lead-free status not stated in the provided web data - verify on the Microchip product page.
