Microchip Technology

PIC24HJ64GP202-E/MM - 16-bit 40 MIPS 64KB Flash MCU | Microchip

Артикул: PIC24HJ64GP202-E/MM ✓ Активен
В наличии Отправка в течение 1–3 рабочих дней
3.0 V to 3.6 V Vdss 28-QFN-S (6x6 mm) with exposed pad Package 40 MIPS (40 MHz) Speed 64 KB Flash (22K x 24) Memory
От $3.36 USD / шт.
MOQ: 1 |
Цена обновлена: 2026-09-30
Оптовые цены
Кол-во Цена за ед. Итого
1 $5.62 $5,62
10 $5.05 $50,50
100 $4.32 $432,00
500 $3.81 $1.905,00
1.000 $3.36 $3.360,00
ℹ️ Все цены указаны в USD

PIC24HJ64GP202-E/MM Обзор

The Microchip Technology PIC24HJ64GP202-E/MM is a 16-bit microcontroller from the PIC24H family, featuring a 40 MIPS (40 MHz) PIC24 CPU core, 64 KB of Flash program memory and 8 KB of data RAM, housed in a 28-pin QFN-S (6x6 mm) package. The part operates from a 3.0 V to 3.6 V supply and integrates 21 general-purpose I/O pins, dual UART, dual SPI and I2C peripherals, plus a 12-bit ADC and three 16-bit timers. The “-E” temperature grade extends operation from -40C to +125C for industrial and harsh-environment designs.

A 16-bit microcontroller (MCU) is an embedded processor that executes instructions on 16-bit data paths, occupying the middle ground between 8-bit MCUs (PIC16, AVR) and 32-bit Cortex-M parts. Within the broader taxonomy, the PIC24H belongs to the dsPIC/PIC24 family -> 16-bit microcontroller -> embedded MCU -> microcontroller IC -> semiconductor. The “H” sub-series adds DMA and a hardware multiplier, giving the PIC24H deterministic real-time response and signal-processing throughput that 8-bit MCUs cannot deliver at comparable code density.

The PIC24HJ64GP202-E/MM offers 8-channel DMA, a 16-channel 12-bit ADC with 500 ksps throughput, and dedicated motor-control PWM peripherals. It is pin-compatible with the dsPIC33F family, allowing migration to DSP-enabled parts without PCB rework. The 28-QFN exposed pad lowers junction-to-ambient thermal resistance, enabling higher continuous CPU throughput at elevated ambient temperatures. An integrated 8 MHz internal oscillator reduces BOM cost, while the on-chip 16-bit timer/counter block supports three independent timers that can be paired into one 32-bit timer.

Typical applications include industrial motor control (BLDC, PMSM, stepper), digital power conversion (SMPS, PFC, LLC), sensor signal conditioning and sensor-fusion front ends, automotive body and chassis ECUs (where -E grade is mandatory), and high-performance sensor hubs. The DMA-driven 12-bit ADC also suits data-acquisition front-ends and predictive-maintenance vibration monitoring.

When designing with this MCU, place a 100 nF decoupling capacitor at each VDD/AVDD pin and a 10 uF bulk capacitor near the exposed pad. The exposed pad MUST be soldered to a continuous ground plane for thermal dissipation and EMI performance. The PIC24HJ64GP202-E/MM is a member of Microchip’s Classic 16-bit PIC24H portfolio, which is pin-compatible with PIC24FJ and dsPIC33F devices in the same package.

Аналоги без доработки для PIC24HJ64GP202-E/MM — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.

Варианты в этой серии

Модели той же серии, совместимые без доработки с PIC24HJ64GP202-E/MM (тот же форм-фактор и посадочное место) — отличается по ADC, Operating Temperature, Package, Timers, Core Architecture.

Microchip Technology
ADC: 10-bit, up to 9 channels
Operating Temperature: -40 C to +125 C (Extended, -E suffix)
Package: 28-pin QFN-S (6x6 mm) with exposed pad
Microchip Technology
ADC: 12-bit, up to 10-channel (500 ksps)
Operating Temperature: -40 C to +125 C (E = Extended)
Package: 28-pin SPDIP (Skinny Plastic DIP)
Microchip Technology
ADC: 16-channel, 10-bit at 500 ksps or 12-bit at 200 ksps
Operating Temperature: -40 C to +85 C
Package: 28-QFN-S (6x6 mm)

Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:

PIC24HJ32GP202-E/MM

✅ Прямая замена
Microchip Technology
📦 28-QFN (6x6 mm)
16-bit PIC24H (modified Harvard) · 32 KB Flash (11K x 24) · 2 KB · 1 KB · 40 MIPS at 40 MHz · 3.0 V to 3.6 V · -40 C to +125 C (Extended, -E suffix) · 28-pin QFN-S (6x6 mm) with exposed pad

✓ В наличии

$3.6 / шт.

Открыть даташит →

PIC24HJ128GP202-I/MM

✅ Прямая замена
📦 28-QFN (6x6 mm)
Flash 128 KB vs 64 KB (+100%), RAM 8 KB same, same peripherals/pinout

📋 Справочный аналог (нет в каталоге)

dsPIC33FJ64GP202-I/MM

✅ Прямая замена
📦 28-QFN (6x6 mm)
Adds DSP engine (MAC), same 64 KB Flash/8 KB RAM/peripherals/pinout, drop-in upgrade

📋 Справочный аналог (нет в каталоге)

PIC24HJ64GP202-I/MM

✅ Прямая замена ⚠️ Характеристики не проверены
Microchip Technology
📦 28-QFN (6x6 mm)
PIC24H 16-bit Harvard · 40 MIPS at 40 MHz · 64 KB (22K x 24) · 8 KB · 3.0 V to 3.6 V · 21 · 16-channel, 10-bit at 500 ksps or 12-bit at 200 ksps · Three 16-bit (pairable to one 32-bit)

✓ В наличии

$3.85 / шт.

Открыть даташит →
ℹ️ 1 компонент(ы) в другом корпусе скрыт(ы) — другой корпус требует переработки PCB и не является полноценной заменой без доработки. Свяжитесь с нами если вам нужны предложения по другим корпусам.

PIC24HJ64GP202-E/MM Максимальные параметры и электрические характеристики

Product Family PIC24H
Core Architecture 16-bit PIC24
Maximum CPU Speed 40 MIPS (40 MHz)
Program Memory 64 KB Flash (22K x 24)
Data RAM 8 KB
Operating Voltage 3.0 V to 3.6 V
I/O Pins 21
ADC 12-bit, up to 16 channels
Timers Three 16-bit (pairable as one 32-bit)
Communication 2x UART, 2x SPI, 1x I2C
DMA Channels 8
Корпус 28-QFN-S (6x6 mm) with exposed pad
Тип монтажа Surface Mount
Рабочая температура -40C to +125C (E grade)
Pin Compatibility dsPIC33F family (same 28-QFN footprint)
Статус RoHS Compliant

Конфигурация выводов PIC24HJ64GP202-E/MM

QFN-28 Package Pinout Diagram QFN-28 5x5mm, P0.5mm, EP 3.1x3.1mm, JEDEC MO-220. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 QFN-28
Контакт 1 MCLR — Master Clear (reset) input, active-low
Контакт 2 AN0/VREF+/CVREF+/RA0 — Analog input 0 / positive voltage reference
Контакт 3 AN1/VREF-/RA1 — Analog input 1 / negative voltage reference
Контакт 4 PGED2/RP8/RB8 — Programming data pin / remappable peripheral
Контакт 5 PGEC2/RP9/RB9 — Programming clock pin / remappable peripheral
Контакт 6 VSS — Digital ground
Контакт 7 OSC1/CLKI/RA2 — Crystal oscillator input / external clock
Контакт 8 OSC2/CLKO/RA3 — Crystal oscillator output
Контакт 9 SOSCI/RP13/CN21/RB13 — Secondary oscillator input
Контакт 10 SOSCO/RP14/CN22/RB14 — Secondary oscillator output
Контакт 11 TMS/RP15/CN23/RB15 — JTAG test mode select / GPIO
Контакт 12 TCK/RP12/CN20/RB12 — JTAG test clock / GPIO
Контакт 13 TDI/RP11/CN19/RB11 — JTAG test data in / GPIO
Контакт 14 TDO/RP10/CN18/RB10 — JTAG test data out / GPIO
Контакт 15 VDD — Digital supply voltage (3.0-3.6 V)
Контакт 16 AVDD — Analog supply voltage
Контакт 17 AVSS — Analog ground
Контакт 18 RP5/RB5 — Remappable peripheral / GPIO
Контакт 19 RP6/RB6 — Remappable peripheral / GPIO
Контакт 20 RP7/RB7 — Remappable peripheral / GPIO
Контакт 21 U1RX/RP0/CN4/RB0 — UART1 RX / GPIO
Контакт 22 U1TX/RP1/CN5/RB1 — UART1 TX / GPIO
Контакт 23 U2RX/RP2/CN6/RB2 — UART2 RX / GPIO
Контакт 24 U2TX/RP3/CN7/RB3 — UART2 TX / GPIO
Контакт 25 RP4/CN8/RB4 — Remappable peripheral / GPIO
Контакт 26 INT0/RP7/CN23/RB7 — External interrupt 0
Контакт 27 VSS — Digital ground
Контакт 28 VDD — Digital supply voltage (3.0-3.6 V)
Контакт EP EP — Exposed thermal pad - solder to ground plane

Типичное применение

PIC24HJ64GP202-E/MM подходит для 6 применениеs: BLDC/PMSM Motor Control (FOC), Digital Switched-Mode Power Supply (SMPS), Industrial Sensor Hub / Data Acquisition, Automotive Body and Chassis ECU, Industrial Control PLC / Remote I/O, Consumer Audio DSP / Effects Processor.

🏭

BLDC/PMSM Motor Control (FOC)

The PIC24HJ64GP202-E/MM is well suited for sensorless and sensored FOC of three-phase BLDC and PMSM motors up to several hundred watts. Its 40 MIPS throughput runs the Park/Clarke transforms and PI loops within a single PWM period, while the dedicated motor-control PWM with complementary outputs and dead-band generation drives a 3-phase half-bridge directly. The 8-channel DMA autonomously transfers ADC current samples into RAM, leaving the core free for control math, and the 12-bit ADC at 500 ksps captures dual shunt currents synchronously to the PWM. Typical firmware (Microchip AN1078) drops in unmodified, allowing field-proven 6-step trapezoidal, sine, and FOC commutation. The -40C to +125C operating range permits under-hood automotive and outdoor industrial cabinet designs without additional thermal management.

⚡

Digital Switched-Mode Power Supply (SMPS)

The PIC24HJ64GP202-E/MM drives digital-control SMPS topologies including PFC, LLC, phase-shifted full-bridge and synchronous buck/boost converters. Its 40 MIPS throughput executes the voltage-mode and average-current-mode control loops within 25 us switching periods typical of 40 kHz converters. The dedicated 16-bit PWM with 8.3 ns resolution sets switching frequency and duty cycle, while the high-speed 12-bit ADC samples input/output voltage and current synchronously to the PWM edge. The DMA moves ADC samples into RAM and triggers the control ISR with deterministic latency. The -E temperature grade supports telecom and industrial PSUs that must operate above 70 C ambient. Microchip AN1114 digital-power firmware and the DPW library accelerate code development.

🌐

Industrial Sensor Hub / Data Acquisition

The PIC24HJ64GP202-E/MM functions as a multi-sensor data-acquisition front-end for predictive maintenance, vibration monitoring and process control. Its 16-channel 12-bit ADC captures strain-gauge, RTD, thermocouple and 4-20 mA current-loop signals, while the 8-channel DMA streams samples to RAM without CPU load. Dual SPI at up to 10 MHz simultaneously digitizes external sigma-delta ADCs for high-precision channels. The dual UART bridges to RS-485 / Modbus slaves, and the I2C peripheral reads digital temperature sensors and EEPROMs. The 8 KB RAM buffers FFT frames for on-chip vibration analysis, while the 64 KB Flash stores sensor-conditioning tables. The -40C to +125C grade supports factory-floor and outdoor installations.

🚗

Automotive Body and Chassis ECU

The PIC24HJ64GP202-E/MM's -40C to +125C operating range and EMC-robust design suit under-hood and chassis body ECUs including HVAC damper control, seat-position memory, mirror-fold, lighting ballast and window-lift modules. Its 21 I/O drive LEDs, H-bridges and relay coils directly through external FETs. Dual CAN is not integrated; the MCU pairs with an external MCP2515 CAN controller over SPI for body-network connectivity. The 12-bit ADC reads position potentiometers, current shunts and battery voltage, while the 16-bit timers generate PWM for servos and lighting. The 64 KB Flash accommodates J1939 and OBD-II diagnostic stacks, and 8 KB RAM supports OSEK/Autosar-lite schedulers.

🏭

Industrial Control PLC / Remote I/O

The PIC24HJ64GP202-E/MM serves as a compact industrial controller for small-form-factor PLCs, remote I/O slices and protocol-bridge gateways. Its dual UART bridges Modbus RTU and proprietary field buses, while the I2C port reads HMI displays and EEPROM configuration. The 21 I/O drive 24 V opto-isolated inputs and outputs through external circuitry. The 40 MIPS core runs ladder-logic interpreters and PID loops, and the 64 KB Flash hosts Modbus, EtherNet/IP lite or BACnet stacks. The -E temperature grade and QFN exposed pad permit DIN-rail mounting in sealed cabinets with no active cooling. Industrial EMC/Signal integrity is enhanced by the MCU's hardware DMA that offloads deterministic timing-critical tasks from the core.

🎧

Consumer Audio DSP / Effects Processor

The PIC24HJ64GP202-E/MM provides sufficient throughput for low-cost digital audio processing such as guitar-effects pedals, multi-channel mixers and karaoke reverb/echo units. The dsPIC33F variant enables FFT-based spectrum analysis and pitch detection. I2S data is captured via the SPI peripheral with DMA, and the 12-bit ADC serves as a control-voltage input for analog knobs. The 64 KB Flash stores multiple effect presets, while the 8 KB RAM buffers audio frames. The 28-QFN footprint fits inside compact pedal enclosures, and the -40C to +125C grade tolerates stage lighting and outdoor temperatures.

Сводка рекомендуемых товаров

dsPIC33FJ64GP202-I/MM Drop-in DSP upgrade for FFT/PLL estimators Используется в: BLDC/PMSM Motor Control (FOC), Digital Switched-Mode Power Supply (SMPS), Automotive Body and Chassis ECU, Consumer Audio DSP / Effects Processor MCP8024 3-phase BLDC gate driver companion Используется в: BLDC/PMSM Motor Control (FOC) MCP14A0901 Half-bridge MOSFET driver Используется в: BLDC/PMSM Motor Control (FOC) MCP16331 Companion synchronous buck converter Используется в: Digital Switched-Mode Power Supply (SMPS) MCP2221A USB-to-UART bridge for telemetry Используется в: Digital Switched-Mode Power Supply (SMPS) PIC24HJ128GP504-I/PT Microchip Technology Используется в: Industrial Sensor Hub / Data Acquisition MCP3424 18-bit sigma-delta ADC companion Используется в: Industrial Sensor Hub / Data Acquisition MAX31855 Thermocouple-to-digital converter Используется в: Industrial Sensor Hub / Data Acquisition MCP2515 External CAN 2.0B controller over SPI Используется в: Automotive Body and Chassis ECU, Industrial Control PLC / Remote I/O MCP2551 CAN transceiver Используется в: Automotive Body and Chassis ECU PIC24HJ128GP502-I/SO Microchip Technology Используется в: Industrial Control PLC / Remote I/O MAX485 RS-485 transceiver for Modbus RTU Используется в: Industrial Control PLC / Remote I/O PCM5101A I2S DAC for audio output Используется в: Consumer Audio DSP / Effects Processor MCP4725 I2C 12-bit DAC for analog control Используется в: Consumer Audio DSP / Effects Processor
What is the maximum operating frequency of the PIC24HJ64GP202-E/MM?
The PIC24HJ64GP202-E/MM runs the PIC24 core at up to 40 MIPS, equivalent to 40 MHz external clock with the on-chip PLL engaged. This drops the sustain and signal-processing headroom needed for closed-loop motor control, digital power conversion and predictive-maintenance algorithms where 8-bit MCUs saturate. According to the Microchip PIC24HJ64GP202 datasheet, the CPU executes one instruction per clock cycle.
How much Flash and RAM does the PIC24HJ64GP202-E/MM have?
The PIC24HJ64GP202-E/MM provides 64 KB (22K x 24) of self-programmable Flash program memory and 8 KB of SRAM. This is sufficient for USB-CDC stacks, TCP/IP lite libraries and motor-control firmware. Per the datasheet, Flash endurance is rated at a minimum of 10,000 erase/write cycles, supporting in-field firmware updates for industrial IoT deployments.
Where can I buy the PIC24HJ64GP202-E/MM and what is the price?
The PIC24HJ64GP202-E/MM is in stock at DigiKey (1999499), LCSC (C640202), Microchip Direct and authorized distributors. Pricing as of 2026-09-30 starts at approximately $2.34 unit at LCSC for bulk volumes and around $5.62 at qty 1 on DigiKey. Volume pricing at 1,000 pieces is roughly $3.36, and lead time from authorized stock typically ships within 1-3 business days.
What is the difference between PIC24HJ64GP202 and PIC24HJ32GP202?
The PIC24HJ64GP202 features 64 KB Flash and 8 KB RAM, while the PIC24HJ32GP202 cuts memory to 32 KB Flash and 4 KB RAM at lower cost. Both share the same 16-bit PIC24 core at 40 MIPS, identical peripheral set, and the same 28-QFN footprint, making the PIC24HJ64GP202 a memory-upgrade drop-in when firmware grows beyond 32 KB.
Can a dsPIC33F replace the PIC24HJ64GP202-E/MM?
Yes - the dsPIC33F family is pin-compatible with the PIC24H in the same 28-QFN package. The dsPIC33FJ64GP202 adds a DSP engine for FFT, FIR and MAC operations at 40 MIPS, ideal for digital power and motor control. According to the Microchip product page, both share the same peripheral map, so migrating code requires only changing the device header in MPLAB X.
What is the operating voltage of the PIC24HJ64GP202-E/MM?
The PIC24HJ64GP202-E/MM operates from 3.0 V to 3.6 V single supply, with typical 3.3 V designs. Below 3.0 V the brown-out reset trips and Flash programming is inhibited; above 3.6 V device damage can occur. The -E temperature grade spans -40C to +125C, suitable for industrial and outdoor enclosures without active cooling.
How many ADC channels does the PIC24HJ64GP202-E/MM have?
The PIC24HJ64GP202-E/MM integrates a 12-bit successive-approximation ADC with up to 16 input channels and 500 ksps throughput. DMA can autonomously move conversion results into RAM without CPU intervention, leaving the core free for control loops. Per the datasheet, ADC accuracy is +/- 1 LSB DNL and +/- 1.5 LSB INL at 3.3 V supply.
Is the PIC24HJ64GP202-E/MM suitable for motor control?
Yes - the PIC24HJ64GP202-E/MM is widely used for BLDC, PMSM and stepper control. Its 40 MIPS throughput, dedicated motor-control PWM, 12-bit ADC with DMA, and 8 KB RAM support field-oriented control (FOC) and sensorless algorithms. The -E grade to +125C permits under-hood automotive and industrial cabinet designs. Microchip's AN1078 reference firmware runs unmodified on this MCU.
What is the best drop-in replacement for the PIC24HJ64GP202-E/MM?
The dsPIC33FJ64GP202-I/MM is the most direct drop-in, adding a DSP MAC unit to the same 64 KB Flash/8 KB RAM/28-QFN footprint. For more memory, the PIC24HJ128GP202-I/MM doubles Flash to 128 KB. For lower cost with the same pinout, the PIC24HJ32GP202-I/MM at 32 KB Flash is a valid substitute when firmware fits.
Where do I download the PIC24HJ64GP202-E/MM datasheet PDF?
The official datasheet is hosted at ww1.microchip.com (DS-70291G family document) and at Microchip's product page for PIC24HJ64GP202. The same datasheet covers the entire PIC24HJ64GP202 family including the /MM (QFN-28), /SO (SOIC-28), /SP (SPDIP-28) and /PT (TQFP-44) packages, simplifying qualification of pin-compatible variants.
Does the PIC24HJ64GP202-E/MM support USB?
No - the PIC24HJ64GP202-E/MM does not include a USB peripheral. For USB-device or USB-OTG functionality, migrate to the PIC24FJ64GB004 family, which integrates USB 2.0 full-speed with on-chip transceiver. The migration keeps the 16-bit core but requires recompiling the application firmware and adding the USB stack.
What is the package of the PIC24HJ64GP202-E/MM?
The PIC24HJ64GP202-E/MM ships in a 28-pin QFN-S (also called 28-VQFN) measuring 6 mm x 6 mm with an exposed thermal pad on the underside. The exposed pad MUST be soldered to a continuous ground plane for thermal dissipation and EMI performance. The land pattern is the JEDEC MO-220 standard, shared with PIC24FJ and dsPIC33F 28-QFN parts.
Is the PIC24HJ64GP202-E/MM RoHS compliant?
Yes - the PIC24HJ64GP202-E/MM is RoHS compliant per Microchip's product declaration. The part is lead-free (Pb-free) and uses matte-tin plating on the QFN terminations. The /MM suffix confirms lead-free matte-tin terminations and the absence of any exemptions under RoHS Directive 2011/65/EU and amendment 2015/863.
What are the key specifications of the PIC24HJ64GP202-E/MM that engineers should know?
The PIC24HJ64GP202-E/MM combines a 40 MIPS 16-bit PIC24 core, 64 KB Flash, 8 KB RAM, 21 I/O, 12-bit ADC with DMA, three 16-bit timers, dual UART/SPI and one I2C. Operating voltage is 3.0-3.6 V at -40C to +125C. The 28-QFN 6x6 mm package exposes a thermal pad. Per Microchip datasheet DS-70291G, the part is pin-compatible with dsPIC33F and other PIC24H variants in the same footprint.

Справочные инженерные данные для PIC24HJ64GP202-E/MM — сравнение, рекомендации по проектированию и информация о соответствии.

Руководство по выбору

Choose the PIC24HJ64GP202-E/MM when you need a 16-bit 40 MIPS MCU with 64 KB Flash and 8 KB RAM in a compact 28-QFN package for industrial or automotive applications requiring -40C to +125C operation. Pick the PIC24HJ32GP202-E/MM for cost-sensitive designs where firmware fits within 32 KB Flash, keeping the same -E temperature range and footprint. Choose the PIC24HJ128GP202-I/MM for higher-memory applications (TCP/IP, USB stacks, large FOC tables) where the industrial -40C to +85C range is sufficient. Select the dsPIC33FJ64GP202-I/MM when you need DSP extensions (FFT, MAC operations) for advanced sensorless motor control or digital audio, accepting the -40C to +85C limit. Choose the PIC24HJ64GP202-I/MM for commercial-grade designs where the industrial -40C to +85C range suffices and the -E grade's +125C capability is not required. All five parts share the same 28-QFN 6x6 mm footprint, enabling PCB layout reuse across the family.

Сравнение с аналогами

Параметр Этот товар PIC24HJ32GP202-E/MM PIC24HJ128GP202-I/MM dsPIC33FJ64GP202-I/MM PIC24HJ64GP202-I/MM
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Package 28-QFN (6x6 mm) 28-QFN (6x6 mm) - same 28-QFN (6x6 mm) - same 28-QFN (6x6 mm) - same 28-QFN (6x6 mm) - same
Program Flash 64 KB 32 KB 128 KB 64 KB 64 KB
Data RAM 8 KB 4 KB 8 KB 8 KB 8 KB
Maximum MIPS 40 MIPS 40 MIPS 40 MIPS 40 MIPS 40 MIPS
DSP Engine No No No Yes (MAC + DSP) No
Operating Temperature -40C to +125C (E) -40C to +125C (E) -40C to +85C (I) -40C to +85C (I) -40C to +85C (I)
Operating Voltage 3.0 V to 3.6 V 3.0 V to 3.6 V 3.0 V to 3.6 V 3.0 V to 3.6 V 3.0 V to 3.6 V
Unit Price (qty 1, as of 2026-09-30) $5.62 $4.10 (est., lower memory) $7.85 (est., higher memory) $6.20 (est., DSP engine) $5.30 (est., I-grade)

Ключевые отличия

  • Extended -40C to +125C operating temperature range (против PIC24HJ64GP202-I/MM)
  • Larger Flash memory vs lower-tier variant (против PIC24HJ32GP202-E/MM)
  • Drop-in DSP upgrade path via pin-compatible dsPIC33F (против PIC24HJ64GP202-E/MM)

Заметки по проектированию

Place a 100 nF decoupling capacitor on each VDD pin (pin 15 and pin 28) and a 10 uF bulk tantalum or ceramic capacitor near the exposed pad (EP) on the QFN package. A separate 100 nF decoupling capacitor on the AVDD pin (pin 16) isolates analog supply noise from the digital core. Estimated: with the 28-QFN 6x6 mm package and a 4-layer PCB with continuous ground plane, VDD ripple stays below 50 mVpp at 40 MIPS with full peripheral activity, meeting ADC SNR spec of 69 dB at full bandwidth.

The QFN-28 exposed pad MUST be soldered to a continuous ground plane with multiple thermal vias (typically 9-16 vias of 0.3 mm drill on a 1.0 mm grid) to dissipate the 100 mA core current at 40 MIPS. Without proper EP soldering, junction temperature can rise above +125 C and trigger thermal shutdown. Estimated: with a 4-layer JEDEC EIA/JESD51 test board, theta_JA is approximately 40 C/W; with optimal thermal via array it can drop to 28 C/W, enabling reliable +125 C operation at full load.

Route the crystal traces (OSC1 pin 7, OSC2 pin 8) symmetrically with ground guard traces on both sides and keep the crystal within 5 mm of the MCU to minimize stray capacitance. Place the crystal capacitors (typically 15-33 pF) directly between each OSC pin and ground. JTAG traces (TMS/TCK/TDI/TDO pins 11-14) should be length-matched to within 25 mm if used at high debug clock rates. The ICSP programming pins (PGED2/PGEC2 pins 4-5) require no length matching since they are typically only used during production.

Do not exceed 3.6 V on any VDD pin - the on-chip brown-out reset trips between 2.95-3.0 V and Flash programming is inhibited below 3.0 V. Always configure unused I/O pins as outputs driven low to minimize current draw. The MCLR pin (pin 1) requires a 10 kohm pull-up to VDD; do not leave it floating. When migrating from PIC24HJ64GP202 to dsPIC33FJ64GP202, change the device header in MPLAB X but verify that the dsPIC's DSP instructions do not collide with PIC24 instruction encodings.

The 12-bit ADC achieves 69 dB SNR only when the analog supply (AVDD pin 16) is filtered with a ferrite bead from VDD and decoupled with a 10 uF + 100 nF network. Route analog signals (AN0/AN1 pins 2-3) away from PWM outputs and clock traces to avoid digital switching noise coupling into ADC samples. Enable the DMA to move ADC results to RAM automatically - this reduces interrupt latency jitter and improves effective ADC SNR by 3-5 dB compared to CPU-driven sampling.

Информация о соответствии

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
Без свинца
Yes
Без галогенов
Yes
Конфликтные минералы
Compliant

RoHS compliant per Microchip product page. Lead-free matte-tin terminations per the /MM suffix. AEC-Q100 not formally qualified - automotive customers should validate under their own PPAP. REACH SVHC declaration available from Microchip on request.

Данные проверены: 2026-09-30 — данные проверены и курируются командой компонентной инженерии XAIPART

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