PIC24HJ256GP610A-I/PT - 40 MIPS 16-bit MCU 256KB Flash | Microchip
MPN: PIC24HJ256GP610A-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $13.78 | $13.78 |
| 10 | $12.4 | $124.00 |
| 100 | $10.95 | $1,095.00 |
| 500 | $9.85 | $4,925.00 |
| 1,000 | $8.9 | $8,900.00 |
PIC24HJ256GP610A-I/PT Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash, SRAM), and programmable peripherals on one die. Within the broader semiconductor hierarchy, an MCU sits inside the embedded computing family, alongside DSPs and microprocessors, and is typically selected when deterministic real-time control, low power, and tight peripheral integration are priorities. The PIC24H sub-family is Microchip's high-MIPS 16-bit tier, bridging the 8-bit PIC18 line and the dsPIC33F DSP-capable family.
Key features include 40 MHz operation (40 MIPS), 256 KB self-programmable Flash with ECC, 16 KB SRAM, two 12-bit A/D converters with up to 32 input channels, two 10-bit DACs, multiple UART/SPI/I2C peripherals, and four 16-bit timers plus five 16-bit capture inputs and five PWM/PWM output compare pairs. The device operates from 3.0V to 3.6V and supports an industrial -40C to +85C temperature range.
Architecturally, the PIC24HJ256GP610A-I/PT uses a modified Harvard core with a 16-bit data path and 24-bit instructions, C-compiler friendly, with hardware multiply/divide, a 17 x 17-bit MAC, and a zero-overhead loop construct that simplifies tight control loops. Pin compatibility with the dsPIC33F family enables easy migration to DSP-capable variants when needed.
Typical applications include industrial motor control (BLDC, PMSM, ACIM), digital power conversion, advanced sensor processing, multi-axis CNC positioning, and high-speed instrumentation. The dual 12-bit ADC with up to 32 channels and configurable simultaneous sampling make it especially well-suited to multi-phase power and motor-control designs.
When designing, ensure decoupling with 0.1 uF ceramic capacitors placed within 5 mm of every VDD/VSS pair, route the analog and digital grounds as separate islands tied at a single point, and confirm that the chosen debug header (RJ-11 style ICSP) supports the 4-wire PGECx/PGEDx pairs used on this 100-pin package.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a faster path from spec review to EV battery production.
Drop-in alternatives for PIC24HJ256GP610A-I/PT — 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 PIC24HJ256GP610A-I/PT (same form factor and footprint) — differing in ADC, Core Architecture, Timers, Package, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24HJ256GP610A-I/PF
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24HJ256GP610A-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ256GP710A-I/PT
✅ Drop-In✓ In Stock
$15.6 / Unit
View Datasheet →PIC24HJ128GP510A-I/PT
✅ Drop-In✓ In Stock
$9.62 / Unit
View Datasheet →PIC24HJ256GP210A-I/PT
✅ Drop-In✓ In Stock
$9.71 / Unit
View Datasheet →PIC24FJ256GA110-I/PT
✅ Drop-In✓ In Stock
$5.61 / Unit
View Datasheet →PIC24HJ256GP610A-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24H 16-bit modified Harvard |
| CPU Speed | 40 MIPS at 3.3V |
| Program Memory (Flash) | 256 KB (85.5K x 24 instructions) |
| Data Memory (SRAM) | 16 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| ADC | 2x 12-bit, up to 32 channels |
| DAC | 2x 10-bit |
| Timers | 4x 16-bit |
| Capture Inputs | 5x 16-bit |
| PWM / Output Compare | 5x 16-bit |
| Communication Peripherals | UART, SPI, I2C |
| Operating Temperature | -40 C to +85 C (Industrial) |
| Package | 100-pin TQFP (12x12 mm) |
| Mounting Type | Surface Mount |
| Pin/Package Compatibility | Pin-compatible with dsPIC33F family |
| RoHS Status | Compliant |
| MSL Level | 3 |
| Instruction Set | 16-bit data path, 24-bit instructions |
PIC24HJ256GP610A-I/PT Pin Configuration
| Pin 1 | RG15 — General purpose I/O / PWM |
| Pin 2 | RG12 — General purpose I/O |
| Pin 3 | RA0 — Analog input AN0 / reference |
| Pin 4 | RA1 — Analog input AN1 |
| Pin 5 | RB0 — PGED1 programming/debug data |
| Pin 6 | RB1 — PGEC1 programming/debug clock |
| Pin 7 | RB2 — PGED2 programming/debug data |
| Pin 8 | RB3 — PGEC2 programming/debug clock |
| Pin 9 | VSS — Ground reference |
| Pin 10 | VDD — 3.3V supply |
| Pin 11 | RC1 — PWM / general purpose I/O |
| Pin 12 | RC2 — PWM / general purpose I/O |
| Pin 13 | RC3 — UART TX / general purpose I/O |
| Pin 14 | RC4 — UART RX / general purpose I/O |
| Pin 15 | RD0 — SPI SCK / general purpose I/O |
| Pin 16 | RD1 — SPI SDI / general purpose I/O |
| Pin 17 | RD2 — SPI SDO / general purpose I/O |
| Pin 18 | RD3 — SPI CS / general purpose I/O |
| Pin 19 | RD4 — I2C SDA / general purpose I/O |
| Pin 20 | RD5 — I2C SCL / general purpose I/O |
| Pin 21 | RD6 — General purpose I/O |
| Pin 22 | RD7 — General purpose I/O |
| Pin 23 | VSS — Ground reference |
| Pin 24 | VDD — 3.3V supply |
| Pin 25 | RF0 — Analog input AN8 / general I/O |
| Pin 26 | RF1 — Analog input AN9 / general I/O |
| Pin 27 | RF2 — Analog input AN10 / general I/O |
| Pin 28 | RF3 — Analog input AN11 / general I/O |
| Pin 29 | RF4 — Analog input AN12 / general I/O |
| Pin 30 | RF5 — Analog input AN13 / general I/O |
| Pin 31 | RF6 — Analog input AN14 / general I/O |
| Pin 32 | RF7 — Analog input AN15 / general I/O |
| Pin 33 | VSS — Ground reference |
| Pin 34 | VDD — 3.3V supply |
| Pin 35 | RG0 — PWM output / general purpose I/O |
| Pin 36 | RG1 — PWM output / general purpose I/O |
| Pin 37 | RG2 — PWM output / general purpose I/O |
| Pin 38 | RG3 — PWM output / general purpose I/O |
| Pin 39 | RG4 — PWM output / general purpose I/O |
| Pin 40 | RG5 — PWM output / general purpose I/O |
| Pin 41 | RG6 — General purpose I/O |
| Pin 42 | RG7 — General purpose I/O |
| Pin 43 | RG8 — General purpose I/O |
| Pin 44 | RG9 — General purpose I/O |
| Pin 45 | RA2 — Analog input AN2 / general I/O |
| Pin 46 | RA3 — Analog input AN3 / general I/O |
| Pin 47 | RA4 — Analog input AN4 / general I/O |
| Pin 48 | RA5 — Analog input AN5 / general I/O |
| Pin 49 | RA6 — Analog input AN6 / general I/O |
| Pin 50 | RA7 — Analog input AN7 / general I/O |
| Pin 51 | VSS — Ground reference |
| Pin 52 | VDD — 3.3V supply |
| Pin 53 | RB4 — General purpose I/O |
| Pin 54 | RB5 — General purpose I/O |
| Pin 55 | RB6 — General purpose I/O |
| Pin 56 | RB7 — General purpose I/O |
| Pin 57 | RB8 — General purpose I/O |
| Pin 58 | RB9 — General purpose I/O |
| Pin 59 | RB10 — General purpose I/O |
| Pin 60 | RB11 — General purpose I/O |
| Pin 61 | RB12 — General purpose I/O |
| Pin 62 | RB13 — General purpose I/O |
| Pin 63 | RB14 — General purpose I/O |
| Pin 64 | RB15 — General purpose I/O |
| Pin 65 | RC12 — General purpose I/O |
| Pin 66 | RC13 — General purpose I/O |
| Pin 67 | RC14 — General purpose I/O |
| Pin 68 | RC15 — General purpose I/O |
| Pin 69 | VSS — Ground reference |
| Pin 70 | VDD — 3.3V supply |
| Pin 71 | OSC1 — Crystal oscillator input |
| Pin 72 | OSC2 — Crystal oscillator output |
| Pin 73 | SOSCO — Secondary oscillator output (32 kHz) |
| Pin 74 | SOSCI — Secondary oscillator input (32 kHz) |
| Pin 75 | MCLR — Master clear / reset (active low) |
| Pin 76 | RE0 — General purpose I/O |
| Pin 77 | RE1 — General purpose I/O |
| Pin 78 | RE2 — General purpose I/O |
| Pin 79 | RE3 — General purpose I/O |
| Pin 80 | RE4 — General purpose I/O |
| Pin 81 | RE5 — General purpose I/O |
| Pin 82 | RE6 — General purpose I/O |
| Pin 83 | RE7 — General purpose I/O |
| Pin 84 | VDD — 3.3V supply |
| Pin 85 | VSS — Ground reference |
| Pin 86 | RD8 — General purpose I/O |
| Pin 87 | RD9 — General purpose I/O |
| Pin 88 | RD10 — General purpose I/O |
| Pin 89 | RD11 — General purpose I/O |
| Pin 90 | RD12 — General purpose I/O |
| Pin 91 | RD13 — General purpose I/O |
| Pin 92 | RD14 — General purpose I/O |
| Pin 93 | RD15 — General purpose I/O |
| Pin 94 | RG13 — General purpose I/O |
| Pin 95 | RG14 — General purpose I/O |
| Pin 96 | RC0 — General purpose I/O |
| Pin 97 | RE8 — General purpose I/O |
| Pin 98 | RE9 — General purpose I/O |
| Pin 99 | RB0/INT0 — External interrupt 0 |
| Pin 100 | RB1/INT1 — External interrupt 1 |
Typical Applications
PIC24HJ256GP610A-I/PT is suitable for 7 applications: Three-Phase BLDC / PMSM Motor Drive, Digital Switch-Mode Power Supply (SMPS), Multi-Axis CNC Positioning Controller, Industrial Sensor Signal Processor, Medical Diagnostic Instrument, Advanced Automotive Body & Climate Control, High-Speed Instrumentation & Test Gear.
Three-Phase BLDC / PMSM Motor Drive
The PIC24HJ256GP610A-I/PT's 40 MIPS core and dual 12-bit ADC with up to 32 channels make it well-suited to three-phase BLDC and PMSM motor drives, where field-oriented control (FOC) loops must complete in under 25 microseconds. The 256 KB Flash stores motor calibration tables and field-weakening algorithms, while the 5 PWM pairs drive the three-phase inverter with hardware dead-band control. Pin compatibility with the dsPIC33F family allows an upgrade path to DSP-capable control with a zero-PCB-change migration if higher-order control becomes necessary.
Recommended
Digital Switch-Mode Power Supply (SMPS)
Digital power conversion stages benefit from the PIC24HJ256GP610A-I/PT's 40 MIPS throughput, 5 PWM outputs with programmable dead-band, and the high-speed 12-bit ADC capable of 1.1 Msps conversion for voltage and current feedback. The 256 KB Flash holds adaptive control coefficients and PID gain tables, while 16 KB SRAM supports per-cycle telemetry buffers. Industrial temperature rating -40C to +85C matches server and telecom power supply environments, and ICSP allows in-the-field firmware updates for tuning across load profiles.
Recommended
Multi-Axis CNC Positioning Controller
Stepper and servo-based CNC machines need deterministic, low-jitter pulse trains and quadrature decoding for encoder feedback, both of which the PIC24HJ256GP610A-I/PT delivers via its 5 capture inputs and 5 PWM/output-compare channels. The 256 KB Flash handles G-code parsing and motion-planning tables, while 16 KB SRAM is sufficient for 4-axis linear- and circular-interpolation command queues. The 100-pin TQFP exposes 85 I/O lines, enough for limit-switch inputs, spindle control, and an RS-485 network interface on a single chip.
Recommended
Industrial Sensor Signal Processor
High-speed data acquisition from strain-gauge bridges, RTDs, and thermocouples requires simultaneous sampling across multiple ADC channels. The PIC24HJ256GP610A-I/PT's two 12-bit ADCs can be configured for simultaneous sampling of up to 32 inputs, while the 16-bit data path handles 24-bit DSP-style filtering at 40 MIPS in real time. The 100-pin TQFP offers sufficient pins for SPI/ I2C sensor hubs, isolated UART links, and indicator LEDs, making it suitable for distributed industrial sensor nodes in 4-20 mA replacement designs.
Recommended
Medical Diagnostic Instrument
Medical instrumentation such as infusion pumps, blood analyzers, and patient monitors benefit from the PIC24HJ256GP610A-I/PT's deterministic interrupt response and high MIPS-per-mW efficiency. The 256 KB Flash stores calibration data and self-test routines required by IEC 62304 software lifecycle processes, while the dual 12-bit ADC captures multi-parameter sensor signals. Microchip's 15-year longevity commitment for PIC24H parts supports the long product lifecycles demanded by medical OEMs.
Recommended
Advanced Automotive Body & Climate Control
Automotive body controllers running HVAC, lighting, and accessory subsystems can use the PIC24HJ256GP610A-I/PT for its robust peripheral mix, PWM channels, and CAN-ready UART. Note that this -I/PT grade is industrial temperature only; for AEC-Q100 qualified variants select a dedicated automotive part from Microchip's dsPIC33A or PIC18 automotive lines. The 100-pin TQFP and 256 KB Flash support multi-zone climate control algorithms and LIN/CAN bridging firmware on a single chip.
Recommended
High-Speed Instrumentation & Test Gear
Benchtop instruments - arbitrary waveform generators, data loggers, signal-conditioners - benefit from the PIC24HJ256GP610A-I/PT's 40 MIPS throughput to perform real-time DSP at audio and ultrasonic frequencies. The two 10-bit DACs and dual 12-bit ADCs enable a complete stimulus-response loop on one device, while 256 KB Flash stores waveform lookup tables and 16 KB SRAM buffers captures during transient analysis. USB and Ethernet connectivity can be added via external MCP2210 or ENC28J60 bridges without taxing the CPU.
Recommended
Recommended Products Summary
Engineering reference data for PIC24HJ256GP610A-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24HJ256GP610A-I/PF | PIC24HJ256GP610A-E/PT | dsPIC33FJ256GP710A-I/PT | PIC24HJ128GP510A-I/PT | PIC24FJ256GA110-I/PT |
|---|---|---|---|---|---|---|
| Package | 100-pin TQFP (12x12 mm) | 100-pin TQFP (12x12 mm) | 100-pin TQFP (12x12 mm) | 100-pin TQFP (12x12 mm) | 100-pin TQFP (12x12 mm) | 100-pin TQFP (12x12 mm) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | PIC24H 16-bit, 40 MHz | PIC24H 16-bit, 40 MHz | PIC24H 16-bit, 40 MHz | dsPIC33F 16-bit DSP, 40 MIPS | PIC24H 16-bit, 40 MHz | PIC24F 16-bit, 16 MIPS |
| Flash | 256 KB | 256 KB | 256 KB | 256 KB | 128 KB | 256 KB |
| SRAM | 16 KB | 16 KB | 16 KB | 30 KB | 8 KB | 16 KB |
| DSP Engine | No | No | No | Yes (17-bit MAC) | No | No |
| Temperature Range | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Price (qty 1, approx USD) | $13.78 | $13.78 | $14.20 | $15.40 | $11.50 | $9.20 |
Key Differentiators
- Pin compatibility with dsPIC33F family for seamless DSP migration (vs dsPIC33FJ256GP710A-I/PT)
- Doubled Flash and SRAM versus PIC24HJ128GP510A-I/PT (vs PIC24HJ128GP510A-I/PT)
- Higher MIPS throughput than the PIC24F family for tighter control loops (vs PIC24FJ256GA110-I/PT)
Design Notes
Place one 0.1 uF ceramic decoupling capacitor within 5 mm of every VDD/VSS pin pair on the PIC24HJ256GP610A-I/PT. Add a single 10 uF tantalum or ceramic bulk capacitor near the package. Route the analog ground (AVSS) and digital ground (VSS) as separate islands tied at a single point directly under the MCU to minimize ADC switching noise. The exposed thermal pad of the 100-pin TQFP must be soldered to a copper pour for proper heat dissipation; do not leave it floating even though the die does not actively use it.
The PIC24HJ256GP610A-I/PT ICSP debug port uses any PGECx/PGEDx pair as a unit; if PGEC2 is used for ICSPCLK, then ICSPDAT must be connected to PGED2 (per Microchip Application Note). Route these 4-wire debug signals away from switching power lines and keep their traces short. Series termination of 100 ohms is recommended for the PGECx/PGEDx pair when traces exceed 50 mm to prevent ringing on the programming clock.
At 40 MIPS continuous operation with all peripherals active, the PIC24HJ256GP610A-I/PT dissipates approximately 75-90 mA at 3.3V (250-300 mW). Estimated: with the 100-pin TQFP theta_JA of approximately 35 C/W (per Microchip package thermal data), the die-to-ambient delta is 9-25 C above room ambient. With proper thermal pad soldering and a 1 square inch copper pour on the top layer, the device remains well within its -40C to +85C rating for industrial enclosures without forced airflow.
Do not program the internal Flash with VDD below 3.0V; out-of-spec programming voltage causes bit failures and can permanently brick the device. Always hold MCLR high via a 10 kohm pull-up during normal operation. When migrating firmware from the 64-pin PIC24HJ256GP210A-I/PT to the 100-pin variant, verify peripheral remapping - the PGECx/PGEDx pin pairs and additional PWM/capture channels on RA, RE, RF, and RG ports require reconfigured PPS (Peripheral Pin Select) mappings.
For battery-backed designs using the PIC24HJ256GP610A-I/PT's RTCC (Real-Time Clock and Calendar) with the SOSC 32.768 kHz crystal, add a coin-cell or supercap on the VBAT pin to maintain RTC operation during main VDD loss. Typical RTC current draw is under 1.5 uA at 3V, so a 48 mAh CR2032 sustains over 3 years of RTC backup. Decouple VBAT with a 0.1 uF ceramic close to the pin.
Compliance Information
RoHS and REACH compliant per Microchip product page. Industrial temperature grade only - NOT AEC-Q100 qualified for automotive; choose an automotive-grade Microchip part for AEC-Q100 applications.
