PIC24HJ64GP202-E/SP - 16-bit 40 MIPS MCU 64KB Flash | Microchip
MPN： PIC24HJ64GP202-E/SP ✓ 啟用中PIC24HJ64GP202-E/SP 概覽
What is a PIC24H microcontroller? The PIC24H is a 16-bit MCU family within the broader PIC microcontroller hierarchy (PIC10/12/16 -> PIC18 -> PIC24 -> dsPIC -> 32-bit PIC32). It bridges the gap between 8-bit PIC MCUs and 32-bit ARM Cortex-M devices, offering higher performance than PIC18 while retaining deterministic interrupt behavior and a familiar MPLAB development ecosystem. The 24H sub-family adds a DMA controller and dedicated motor-control peripherals, positioning it as a mid-range real-time control platform.
Key features include 64 KB (22K x 24 instruction words) of self-programmable Flash, 8 KB SRAM, a 16-channel 12-bit ADC with 500 ksps conversion rate, three 16-bit timers that can pair into a 32-bit timer, two UART modules, two SPI modules, and an I2C module. The integrated DMA controller has 8 channels that move data between peripherals and memory without CPU intervention, offloading repetitive transfer tasks in DSP and motor-control loops.
The 40 MIPS execution rate comes from a 40 MHz oscillator with a 2-cycle instruction pipeline, supporting single-cycle multiply and hardware divide. The 21 general-purpose I/O pins include change-notification interrupts and 5V tolerance on most pins, allowing direct interfacing with 5V sensors and actuators from a 3.3V supply. The instruction set is highly orthogonal with C-compiler-friendly addressing modes, making code porting between PIC24 and dsPIC33 devices straightforward.
Typical applications include industrial motor control (BLDC, PMSM, stepper), digital power conversion (SMPS, PFC), HVAC control, automotive body electronics, sensor signal conditioning, and consumer appliance control. The DMA + ADC combination is particularly effective for multi-channel current/voltage sampling in field-oriented control (FOC) loops.
When designing with this device, place a 10 uF bulk capacitor and 0.1 uF decoupling capacitor near each VDD/VDDCORE pin pair, and ensure the VDDCORE voltage regulator capacitor (typically 10 uF) is located within 6 mm of the VCAP pin. The 28-SPDIP package supports through-hole assembly, simplifying prototyping and field service for industrial installations.
This page synthesizes distributor pricing, same-package drop-in alternatives, and practical design notes that complement the manufacturer datasheet.
直接替換替代品，適用於 PIC24HJ64GP202-E/SP — 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： PIC24HJ64GP202-E/SP （相同外形與佔位） — 差異在於 Package, Operating Temperature, Core Architecture, ADC, Timers.
PIC24HJ64GP202-E/MM
✅ 直接替換聯絡詢價
查看資料表 →PIC24HJ32GP202-E/SP
✅ 直接替換聯絡詢價
查看資料表 →PIC24HJ128GP502-I/SP
✅ 直接替換聯絡詢價
查看資料表 →PIC24HJ12GP202-E/SP
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33FJ64GP202-E/SP
✅ 直接替換聯絡詢價
查看資料表 →PIC24HJ64GP202-E/SP 最大額定值與電氣特性
| Core Architecture | PIC24H 16-bit modified Harvard |
| Program Memory (Flash) | 64 KB (22K x 24 instruction words) |
| Data SRAM | 8 KB |
| CPU Speed | 40 MIPS at 40 MHz |
| Supply Voltage (VDD) | 3.0 V to 3.6 V |
| 工作溫度 | -40 C to +125 C (E = Extended) |
| I/O Pins | 21 |
| ADC | 12-bit, up to 10-channel (500 ksps) |
| Timers | 3 x 16-bit (pairable as 1 x 32-bit) |
| DMA Channels | 8 |
| UART | 2 modules |
| SPI | 2 modules |
| I2C | 1 module |
| 封裝 | 28-pin SPDIP (Skinny Plastic DIP) |
| 安裝類型 | Through-Hole |
| RoHS 狀態 | Compliant (lead-free SPDIP) |
| Pin Pitch | 1.78 mm (0.07 in) |
| MSL 等級 | 1 (unlimited) |
PIC24HJ64GP202-E/SP 腳位配置
| 腳位 1 | MCLR — Master Clear (Reset) input, active low |
| 腳位 2 | RA0/VREF+/AN0 — PORTA bit 0 / ADC reference + / analog input 0 |
| 腳位 3 | RA1/VREF-/AN1 — PORTA bit 1 / ADC reference - / analog input 1 |
| 腳位 4 | RA2/AN2 — PORTA bit 2 / analog input 2 |
| 腳位 5 | RA3/AN3 — PORTA bit 3 / analog input 3 |
| 腳位 6 | RA4/AN4 — PORTA bit 4 / analog input 4 |
| 腳位 7 | RA5/AN5 — PORTA bit 5 / analog input 5 |
| 腳位 8 | VSS — Ground reference |
| 腳位 9 | OSCI/CLKI/RC15 — Crystal oscillator input / external clock input |
| 腳位 10 | OSCO/CLKO/RC14 — Crystal oscillator output / clock output |
| 腳位 11 | RC13/SOSCI — PORTC bit 13 / secondary oscillator input |
| 腳位 12 | RC14/SOSCO — PORTC bit 14 / secondary oscillator output |
| 腳位 13 | VDD — Positive supply voltage (3.0-3.6V) |
| 腳位 14 | RB5/AN11/PGED3 — PORTB bit 5 / analog input 11 / programming data |
| 腳位 15 | RB4/AN10/PGEC3 — PORTB bit 4 / analog input 10 / programming clock |
| 腳位 16 | RB3/AN9 — PORTB bit 3 / analog input 9 |
| 腳位 17 | RB2/AN8 — PORTB bit 2 / analog input 8 |
| 腳位 18 | RB1/AN7 — PORTB bit 1 / analog input 7 |
| 腳位 19 | RB0/AN6 — PORTB bit 0 / analog input 6 |
| 腳位 20 | VDDCORE/VCAP — Core voltage regulator output (1.8V-2.5V), connect to 10uF cap |
| 腳位 21 | RB7/AN15 — PORTB bit 7 / analog input 15 |
| 腳位 22 | RB6/AN14 — PORTB bit 6 / analog input 14 |
| 腳位 23 | RB8/AN12 — PORTB bit 8 / analog input 12 |
| 腳位 24 | RB9/AN13 — PORTB bit 9 / analog input 13 |
| 腳位 25 | RC3/ASDA1 — PORTC bit 3 / alternate I2C data |
| 腳位 26 | RC4/ASCL1 — PORTC bit 4 / alternate I2C clock |
| 腳位 27 | AVSS — Analog ground reference |
| 腳位 28 | AVDD — Analog positive supply voltage (3.0-3.6V) |
典型應用
PIC24HJ64GP202-E/SP 適用於 7 應用s: BLDC / PMSM Motor Control, Digital Power Conversion (SMPS / PFC), Industrial Sensor Interface, HVAC Control Systems, Automotive Body Electronics, Consumer Appliance Control, Solar Inverter / MPPT Controller.
BLDC / PMSM Motor Control
The PIC24HJ64GP202-E/SP is a strong fit for brushless DC motor control in industrial pumps, fans, and small appliances. Its 40 MIPS core executes trapezoidal commutation loops in under 5 microseconds, while the 12-bit ADC samples back-EMF and current shunt signals at up to 500 ksps with 8-channel DMA offloading data movement so the CPU can focus on commutation timing. With 8 KB RAM the controller holds FOC state variables without external memory, and the 21 I/O pins drive three-phase gate signals plus encoder feedback. In a typical 24V BLDC drive the part operates from a single 3.3V rail derived from the bus, with the 5V-tolerant digital inputs reading Hall sensors directly.
推薦
Digital Power Conversion (SMPS / PFC)
For digital switch-mode power supplies and power factor correction stages, the PIC24HJ64GP202-E/SP delivers the deterministic interrupt latency required for voltage-mode and peak-current-mode control loops. The 12-bit ADC with 500 ksps rate oversamples the feedback signal at every PWM cycle, while the 8-channel DMA transfers ADC results to control law buffers without CPU intervention. At a 100 kHz switching frequency the part has 400 instruction cycles per period, sufficient for two-pole two-zero compensator calculations plus housekeeping. The 64 KB Flash holds the full state machine, soft-start ramps, and protection logic without requiring external memory expansion.
推薦
Industrial Sensor Interface
The PIC24HJ64GP202-E/SP serves as a multi-channel sensor hub in industrial instrumentation, connecting thermocouples, RTDs, strain gauges, and 4-20 mA loop sensors to a host controller. Its 21 I/O pins handle digital inputs, PWM outputs for excitation, and I2C/SPI buses for digital sensor chains, while the 12-bit ADC reads analog sensor outputs at high precision. The 8 KB RAM buffers up to 1024 samples for averaging before reporting, and the UART modules carry Modbus RTU or proprietary protocols to a PLC. Extended -40 C to +125 C operation supports deployment in factory floor enclosures without additional thermal conditioning.
推薦
HVAC Control Systems
Heating, ventilation, and air conditioning systems use the PIC24HJ64GP202-E/SP for variable-speed compressor and fan control. The part's 40 MIPS throughput runs the compressor V/Hz or FOC algorithm while servicing the user-interface keypad, temperature sensors, and communication stack. Three 16-bit timers (pairable into one 32-bit timer) drive PWM outputs for compressor and indoor blower, while the ADC reads NTC thermistors for feedback. Extended temperature grade operation ensures reliability in unconditioned equipment closets. The 64 KB Flash stores the full control algorithm including fault handling, defrost cycles, and energy-saving schedules.
推薦
Automotive Body Electronics
Body control modules for window lifters, seat controllers, mirror adjusters, and lighting subsystems use the PIC24HJ64GP202-E/SP as the main processor. The extended -40 C to +125 C temperature grade meets automotive underhood and cabin requirements, while 21 I/O pins drive relays and read switches for body functions. LIN bus connectivity via UART handles body control network communication, and the ADC reads battery voltage and current monitoring signals. The 8 KB RAM handles LIN message buffering and soft-start sequences, while 64 KB Flash stores the application state machine plus diagnostic trouble code (DTC) history.
推薦
Consumer Appliance Control
White goods such as washing machines, dishwashers, and induction cooktops use the PIC24HJ64GP202-E/SP for user-interface handling, motor control, and safety monitoring. The 21 I/O interface with seven-segment displays, button matrices, and LED indicators, while two UART modules communicate with inverter boards and user-interface panels. The 12-bit ADC reads motor current, supply voltage, and temperature sensors with 1 mV resolution at the 3.3V rail. Extended temperature operation supports installation near heat-generating elements like heating resistors or induction coils. The 64 KB Flash stores multi-language UI strings and full appliance programs.
推薦
Solar Inverter / MPPT Controller
Maximum power point tracking controllers for solar inverters use the PIC24HJ64GP202-E/SP to implement perturb-and-observe or incremental conductance MPPT algorithms at switching frequencies up to 100 kHz. The 12-bit ADC samples panel voltage and current at 500 ksps, while DMA transfers ADC results directly to control variables, leaving CPU cycles for MPPT math. Two PWM channels drive the boost or buck converter switches with adjustable dead-band control via the PWM module. The extended temperature range supports rooftop installations where ambient temperature can exceed 70 C during summer operation. With 64 KB Flash, full MPPT plus grid-tie synchronization logic fits in a single chip without external memory.
推薦
推薦產品摘要
工程參考資料，適用於 PIC24HJ64GP202-E/SP — 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 | PIC24HJ32GP202-E/SP | PIC24HJ128GP502-I/SP | PIC24HJ12GP202-E/SP | dsPIC33FJ64GP202-E/SP |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SPDIP | 28-SPDIP - same | 28-SPDIP - same | 28-SPDIP - same | 28-SPDIP - same |
| Flash Memory | 64 KB | 32 KB (-50%) | 128 KB (+100%) | 12 KB (-81%) | 64 KB (same) |
| SRAM | 8 KB | 4 KB (-50%) | 8 KB (same) | 1 KB (-88%) | 8 KB (same) |
| CPU Speed | 40 MIPS | 40 MIPS (same) | 40 MIPS (same) | 40 MIPS (same) | 40 MIPS (same) |
| Operating Temperature | -40 C to +125 C (E grade) | -40 C to +125 C (E) | -40 C to +85 C (I) | -40 C to +125 C (E) | -40 C to +125 C (E) |
| DSP Engine | No | No | No | No | Yes (DSP engine) |
| I/O Pins | 21 | 21 (same) | 21 (same) | 21 (same) | 21 (same) |
| Unit Price (qty 1000, as of 2026-09-30) | $4.25 | $3.85 (est.) | $5.20 (est.) | $3.40 (est.) | $5.85 (est.) |
主要差異化特點
- Balanced Flash/RAM ratio for real-time control with DSP-style buffers (對比PIC24HJ32GP202-E/SP)
- Extended temperature grade for industrial and automotive deployment (對比PIC24HJ128GP502-I/SP)
- Lower cost than DSP variant for non-DSP control loops (對比dsPIC33FJ64GP202-E/SP)
設計說明
Place a 10 uF bulk capacitor and 0.1 uF decoupling capacitor within 6 mm of each VDD/AVDD pin pair to suppress switching noise from the core logic. The internal VDDCORE voltage regulator requires a 10 uF low-ESR ceramic capacitor on the VCAP pin (pin 20); insufficient capacitance causes core voltage droop and reset events under high CPU load. AVDD and VDD should be powered from the same 3.3V rail with a ferrite bead between them for ADC noise isolation.
Keep the 28-SPDIP socket footprint compatible with both through-hole and socketed assembly. Allow 2.54 mm (0.1 in) row spacing and 1.78 mm (0.07 in) pin pitch to accept standard machined-pin IC sockets for prototyping. Reserve a 6 mm keepout around the crystal (OSCI/OSCO pins 9-10) and route crystal traces with 4 mm ground guard on both sides to minimize EMI coupling into the ADC inputs.
Estimated: At 40 MIPS worst-case, the device draws approximately 70 mA from VDD (3.3V), requiring a regulator rated for at least 100 mA with adequate thermal margin. Configuring an unused I/O pin as analog input (not digital) reduces current consumption by approximately 5 uA per pin. Forgetting to disable the JTAG pins (PGEC3/PGED3 on RB4/RB5) in production firmware disables those pins for general I/O use, which can break designs that expect to use RB4/RB5 as digital inputs.
合規資訊
RoHS compliant per Microchip product page. AEC-Q100 qualification not applicable to this industrial-grade part; automotive customers should verify PPAP availability. Lead-free SPDIP package confirmed.
