PIC24HJ64GP202-I/MM - 16-bit 40 MIPS 64KB Flash MCU | Microchip
MPN: PIC24HJ64GP202-I/MM ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.95 | $5.95 |
| 10 | $5.36 | $53.60 |
| 100 | $4.79 | $479.00 |
| 500 | $4.28 | $2,140.00 |
| 1,000 | $3.85 | $3,850.00 |
PIC24HJ64GP202-I/MM Overview
What is a PIC24H microcontroller? The PIC24H is a high-performance 16-bit MCU family within Microchip's PIC24 portfolio, designed for applications requiring high-speed repetitive computations and real-time control. Architecturally, it sits above the PIC24F and dsPIC30 families but below the dsPIC33F in capability, offering DSP-friendly instruction set features with deterministic interrupt response and Harvard bus architecture.
Key features include 64 KB (22K x 24) self-programmable Flash with ECC, 8 KB SRAM, two UARTs, two SPI ports, two I2C ports, two CAN modules, three 16-bit timers that can pair to form one 32-bit timer, four output-capture and four PWM/compare channels, plus a hardware real-time clock and calendar (RTCC). The 16-bit ADC can be configured for 10-bit at 500 ksps or 12-bit at 200 ksps, supporting precision mixed-signal designs.
The PIC24HJ family uses a modified Harvard architecture with a 16-bit wide data path and 24-bit wide instructions, achieving 40 MIPS at 40 MHz CPU clock. The pin-compatible dsPIC33F family offers DSP extensions for advanced motor-control and power-conversion algorithms. The integrated CAN 2.0B controller, combined with 40 MIPS throughput, enables automotive and industrial networking nodes without external protocol ASICs.
Typical applications include industrial control systems, automotive body and chassis electronics, motor-control boards, sensor-fusion nodes, and medical patient-monitoring devices. The wide operating-temperature range of -40 C to +85 C and integrated peripherals make it well suited for harsh-environment deployment.
When designing with this device, ensure 3.0 V to 3.6 V supply regulation with adequate decoupling near VDD/VSS pairs. Verify unused pin configurations per datasheet recommendations, and review the electrical specification for I/O sink/source limits when driving LEDs or relays directly.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives from the PIC24 family, and practical design considerations not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC24HJ64GP202-I/MM — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC24HJ64GP202-I/MM (same form factor and footprint) — differing in Timers, Package, Operating Temperature, Core Architecture, ADC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24HJ64GP202-E/MM
✅ Drop-In✓ In Stock
$3.36 / Unit
View Datasheet →dsPIC33FJ64GP202-I/MM
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24HJ32GP202-E/MM
✅ Drop-In✓ In Stock
$3.6 / Unit
View Datasheet →PIC24HJ128GP202-I/SO
✅ Drop-In✓ In Stock
$4.62 / Unit
View Datasheet →PIC24HJ12GP202-I/SS
✅ Drop-In✓ In Stock
$3.1 / Unit
View Datasheet →PIC24HJ64GP202-I/MM Maximum Ratings & Electrical Characteristics
| Core | PIC24H 16-bit Harvard |
| CPU Speed | 40 MIPS at 40 MHz |
| Program Memory (Flash) | 64 KB (22K x 24) |
| Data Memory (SRAM) | 8 KB |
| Supply Voltage (VDD) | 3.0 V to 3.6 V |
| I/O Pins | 21 |
| ADC | 16-channel, 10-bit at 500 ksps or 12-bit at 200 ksps |
| Timers | Three 16-bit (pairable to one 32-bit) |
| UART | 2 |
| SPI | 2 |
| I2C | 2 |
| CAN | 2 (CAN 2.0B) |
| Output Compare / PWM | 4 channels |
| Operating Temperature | -40 C to +85 C |
| Package | 28-QFN-S (6x6 mm) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC24HJ64GP202-I/MM Pin Configuration
| Pin 1 | RA0 — PORTA bit 0 / analog input / UART1 RX |
| Pin 2 | RA1 — PORTA bit 1 / analog input / UART1 TX |
| Pin 3 | RA2 — PORTA bit 2 / analog input / VREF- |
| Pin 4 | RA3 — PORTA bit 3 / analog input / VREF+ |
| Pin 5 | RA4 — PORTA bit 4 / analog input / OC1 |
| Pin 6 | RA5 — PORTA bit 5 / analog input |
| Pin 7 | RA6 — PORTA bit 6 / oscillator |
| Pin 8 | VDD — Positive supply 3.0-3.6 V |
| Pin 9 | OSC1 — Crystal oscillator input |
| Pin 10 | OSC2 — Crystal oscillator output |
| Pin 11 | RB0 — PORTB bit 0 / programming |
| Pin 12 | RB1 — PORTB bit 1 |
| Pin 13 | VSS — Ground reference |
| Pin 14 | RB2 — PORTB bit 2 |
| Pin 15 | RB3 — PORTB bit 3 |
| Pin 16 | RB4 — PORTB bit 4 |
| Pin 17 | RB5 — PORTB bit 5 |
| Pin 18 | RB6 — PORTB bit 6 / ICS CLK |
| Pin 19 | VDD — Positive supply 3.0-3.6 V |
| Pin 20 | RB7 — PORTB bit 7 / ICS DAT |
| Pin 21 | RC0 — PORTC bit 0 |
| Pin 22 | RC1 — PORTC bit 1 |
| Pin 23 | RC2 — PORTC bit 2 / CAN1 RX |
| Pin 24 | RC3 — PORTC bit 3 / CAN1 TX |
| Pin 25 | RC4 — PORTC bit 4 / CAN2 RX |
| Pin 26 | RC5 — PORTC bit 5 / CAN2 TX |
| Pin 27 | RC6 — PORTC bit 6 |
| Pin 28 | VSS — Ground reference |
Typical Applications
PIC24HJ64GP202-I/MM is suitable for 6 applications: Industrial CAN Networking Node, Automotive Body Electronics, Sensor Fusion and Data Acquisition, BLDC Motor Control Board, Medical Patient Monitoring Peripheral, Smart Sensor Hub with UART/SPI Bridge.
Industrial CAN Networking Node
The PIC24HJ64GP202-I/MM is purpose-built for industrial CAN 2.0B nodes thanks to its dual integrated CAN controllers and 40 MIPS throughput per the Microchip PIC24H datasheet. Running CANopen or DeviceNet stacks at 1 Mbaud leaves CPU headroom for application logic and diagnostics. The 28-QFN-S footprint keeps the BOM compact for DIN-rail mounted I/O slices.
Recommended
Automotive Body Electronics
The PIC24HJ64GP202-I/MM suits body controllers, lighting modules, and seat-control ECUs where -40 C to +85 C operation and 40 MIPS throughput are required per the Microchip datasheet. Dual CAN enables gateway bridging between body and chassis networks. Automotive EMC and transient immunity must be validated externally per OEM standards.
Recommended
Sensor Fusion and Data Acquisition
The PIC24HJ64GP202-I/MM offers a 16-channel 12-bit ADC at 200 ksps that pairs well with sensor arrays in industrial instrumentation per the Microchip datasheet. With 40 MIPS throughput, on-chip averaging and digital filtering run without burdening the main loop. The 8 KB SRAM buffer supports local data logging before uplink.
Recommended
BLDC Motor Control Board
The PIC24HJ64GP202-I/MM can drive BLDC or trapezoidal commutation loops using its four PWM channels, three 16-bit timers, and 40 MIPS throughput per the Microchip datasheet. For more demanding FOC algorithms migrate to dsPIC33FJ64GP202 which adds a DSP engine. The 28-QFN-S 6x6 footprint fits compact driver PCBAs.
Recommended
Medical Patient Monitoring Peripheral
The PIC24HJ64GP202-I/MM provides the compute, ADC, and communication peripherals required for portable patient-monitoring peripherals like pulse-oximeter or infusion-pump sub-systems per the Microchip datasheet. Its 64 KB Flash accommodates wireless protocol stacks plus application logic. IEC 60730 Class B firmware self-test is achievable with care.
Recommended
Smart Sensor Hub with UART/SPI Bridge
The PIC24HJ64GP202-I/MM aggregates UART, SPI, and I2C sensor data and forwards it over CAN or USB-TTL bridges at 40 MIPS per the Microchip datasheet. Its dual peripheral sets let designers avoid external multiplexer ICs. The 28-QFN-S package is footprint-compatible with other PIC24HJ64GP2xx variants for scalable SKUs.
Recommended
Recommended Products Summary
Engineering reference data for PIC24HJ64GP202-I/MM — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24HJ64GP202-E/MM | dsPIC33FJ64GP202-I/MM | PIC24HJ32GP202-E/MM | PIC24HJ128GP202-I/SO | PIC24HJ12GP202-I/SS |
|---|---|---|---|---|---|---|
| Package | 28-QFN-S (6x6) | 28-QFN-S (6x6) - same | 28-QFN-S (6x6) - same | 28-QFN-S (6x6) - same | 28-SOIC - different | 28-SSOP - different |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | PIC24H 16-bit | PIC24H 16-bit | dsPIC33F 16-bit + DSP | PIC24H 16-bit | PIC24H 16-bit | PIC24H 16-bit |
| CPU Speed (MIPS) | 40 MIPS | 40 MIPS | 40 MIPS + DSP MAC | 40 MIPS | 40 MIPS | 40 MIPS |
| Flash Memory | 64 KB | 64 KB | 64 KB | 32 KB (-50%) | 128 KB (+100%) | 12 KB (-81%) |
| SRAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 1 KB (-87%) |
| Operating Temperature | -40 C to +85 C | -40 C to +125 C | -40 C to +85 C | -40 C to +125 C | -40 C to +85 C | -40 C to +85 C |
| CAN Controllers | 2 | 2 | 2 | 2 | 2 | 0 |
| ADC Channels | 16 | 16 | 16 | 16 | 16 | 10 |
Key Differentiators
- Dual integrated CAN 2.0B controllers (vs PIC24HJ12GP202-I/SS)
- DSP upgrade path with same footprint (vs dsPIC33FJ64GP202-I/MM)
- Extended-temperature variant available (vs PIC24HJ64GP202-E/MM)
Design Notes
Use a low-noise LDO such as MCP1700-3302E for the 3.3 V VDD rail and place 100 nF X7R bypass capacitors on every VDD/VSS pair as close to the pins as the layout allows per the Microchip PIC24H datasheet decoupling guidance. Add a 10 uF bulk tantalum or ceramic capacitor at the regulator output. Estimated: at 40 MIPS with all peripherals active, core current reaches approximately 35-50 mA, so the LDO must supply at least 80 mA to handle transients and I/O switching.
The 28-QFN-S package relies on the exposed thermal pad for heat dissipation. The pad is internally bonded to VSS and MUST be soldered to a sufficient copper pour on the PCB per the Microchip datasheet. Without thermal pad soldering, theta_JA rises sharply and long-term reliability suffers. Estimated: for typical industrial current draw, junction-to-ambient rise is below 25 C on a 1 square inch 2-oz copper pour.
Route the crystal traces for OSC1/OSC2 short and symmetric, with a guard ground around the oscillator cell to reduce EMI pickup per the Microchip PIC24H datasheet layout notes. Keep CAN bus traces short and impedance-controlled at 120 ohms differential, and place the MCP2551 transceiver within 50 mm of the CAN pins to minimize stubs.
Do not leave unused I/O pins floating; configure them as outputs or inputs with internal pull-ups per datasheet recommendations to avoid shoot-through current. Never exceed 3.6 V on any pin including ADC analog inputs. Brown-out reset (BOR) must be enabled to protect Flash integrity during power-up and power-down events.
For SPI interfaces running above 10 MHz, add 33 ohm series resistors near the source pin to dampen ringing per typical Microchip reference design practice. CAN signals should be AC-terminated with 120 ohms at each end of the bus. Keep analog and digital ground returns separated under the ADC region to preserve 12-bit ADC linearity.
Compliance Information
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - choose dsPIC33F automotive grade for AEC-Q100 requirements. Halogen-free status not explicitly stated in available data.
