PIC24HJ256GP206AT-I/PT - 40 MIPS 256KB Flash 16-bit MCU | Microchip
MPN: PIC24HJ256GP206AT-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.85 | $9.85 |
| 10 | $8.95 | $89.50 |
| 100 | $7.62 | $762.00 |
| 500 | $6.85 | $3,425.00 |
| 1,000 | $6.1 | $6,100.00 |
PIC24HJ256GP206AT-I/PT Overview
What is a 16-bit microcontroller? A 16-bit MCU is a single-chip computer whose datapath, registers, and ALU are 16 bits wide, offering higher computational throughput and code density than 8-bit parts while consuming less power than 32-bit cores. The PIC24H family belongs to the broader category of Microchip DSC (Digital Signal Controller) derivatives and occupies the mid-range of Microchip's performance pyramid: PIC -> 16-bit PIC24 -> PIC24H (high-performance) -> 32-bit PIC32. The PIC24H is widely used in motor control, power conversion, industrial sensing, and CAN-connected automotive/industrial nodes.
Key differentiating features include 40 MIPS execution from a modified Harvard core with C-compiler-optimized instruction set, 16 KB unified data RAM accessible from DMA and the CPU, and an on-chip 16-channel 12-bit ADC capable of 500 ksps. The device also provides a 16-bit timer/capture/compare module set, hardware ECAN 2.0B for automotive/industrial networks, and a Peripheral Pin Select (PPS) mechanism that allows flexible remapping of digital peripherals to any I/O pin.
Architecture details: The PIC24HJ256GP206A uses a 16-bit modified Harvard architecture with separate program and data paths, a 24-bit instruction word, and a hardware multiplier (17-bit x 17-bit single-cycle). The core supports 84 instructions including DSP-aware addressing modes, enabling efficient FFT and FIR filtering without off-chip DSP silicon. PPS allows most digital peripherals to be mapped onto a wide choice of pins, easing PCB layout.
Typical applications include industrial sensor conditioning and CAN node interfaces, motor control driver boards (BLDC, stepper, PMSM), HVAC and building automation controllers, automotive body and chassis ECUs, medical instrumentation front-ends, and USB device/HID peripherals when paired with an external transceiver.
When designing with this part, reserve at least one PPS-capable pin group for the UART/SPI/I2C peripherals you intend to use, and verify the 3.3 V rail regulation (the device does not include an internal LDO for core supply). For new designs consider the PIC24HJ256GP610A successor family for higher analog integration.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not aggregated on the manufacturer product page.
Drop-in alternatives for PIC24HJ256GP206AT-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 PIC24HJ256GP206AT-I/PT (same form factor and footprint) — differing in Package, ADC, Maximum CPU Speed, Operating Temperature, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24HJ256GP206A-I/PT
✅ Drop-In✓ In Stock
$4.42 / Unit
View Datasheet →PIC24HJ128GP206AT-I/PT
✅ Drop-In✓ In Stock
$5.95 / Unit
View Datasheet →PIC24HJ256GP206AT-I/MR
✅ Drop-In✓ In Stock
$7.5 / Unit
View Datasheet →PIC24HJ128GP206A-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24HJ256GP206AT-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24HJ256GP206AT-I/PT Maximum Ratings & Electrical Characteristics
| Core | PIC24H 16-bit (modified Harvard) |
| Instruction Set Architecture | 16-bit data path, 24-bit instruction word |
| Maximum CPU Speed | 40 MIPS @ 3.3 V |
| Program Memory (Flash) | 256 KB (85.5K x 24 instructions) |
| Data RAM | 16 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +85C (Industrial) |
| Package | 64-pin TQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| ADC | 16-channel 10/12-bit SAR, up to 500 ksps |
| Communication Interfaces | 2x UART, 2x SPI, 1x I2C, 1x ECAN 2.0B |
| Timers | 5x 16-bit Timer/Counter with Input Capture/Output Compare |
| DMA | 8-channel DMA |
| Peripheral Pin Select (PPS) | Yes |
| Package Suffix Code | PT = TQFP, T = Tape & Reel |
| RoHS Status | Compliant (per ALPYN listing) |
PIC24HJ256GP206AT-I/PT Pin Configuration
| Pin 1 | RP0/CN8/RB0 — Remappable peripheral / I/O port RB0 |
| Pin 2 | RP1/CN9/RB1 — Remappable peripheral / I/O port RB1 |
| Pin 3 | RP2/CN10/RB2 — Remappable peripheral / I/O port RB2 |
| Pin 4 | RP3/CN11/RB3 — Remappable peripheral / I/O port RB3 |
| Pin 5 | RP4/CN12/RB4 — Remappable peripheral / I/O port RB4 |
| Pin 6 | RP5/CN13/RB5 — Remappable peripheral / I/O port RB5 |
| Pin 7 | RP6/CN14/RB6 — Remappable peripheral / I/O port RB6 |
| Pin 8 | RP7/CN15/RB7 — Remappable peripheral / I/O port RB7 |
| Pin 9 | RP8/CN16/RB8 — Remappable peripheral / I/O port RB8 |
| Pin 10 | RP9/CN17/RB9 — Remappable peripheral / I/O port RB9 |
| Pin 11 | RP10/CN18/RB10 — Remappable peripheral / I/O port RB10 |
| Pin 12 | RP11/CN19/RB11 — Remappable peripheral / I/O port RB11 |
| Pin 13 | RP12/CN20/RB12 — Remappable peripheral / I/O port RB12 |
| Pin 14 | RP13/CN21/RB13 — Remappable peripheral / I/O port RB13 |
| Pin 15 | RP14/CN22/RB14 — Remappable peripheral / I/O port RB14 |
| Pin 16 | RP15/CN23/RB15 — Remappable peripheral / I/O port RB15 |
| Pin 17 | VSS — Ground reference |
| Pin 18 | VDD — Positive supply (3.0-3.6 V) |
| Pin 19 | AN0/VREF+/RA0 — Analog input 0 / VREF+ / Port RA0 |
| Pin 20 | AN1/VREF-/RA1 — Analog input 1 / VREF- / Port RA1 |
| Pin 21 | AN2/RA2 — Analog input 2 / Port RA2 |
| Pin 22 | AN3/RA3 — Analog input 3 / Port RA3 |
| Pin 23 | AN4/RA4 — Analog input 4 / Port RA4 |
| Pin 24 | AN5/RA5 — Analog input 5 / Port RA5 |
| Pin 25 | AN6/RA6 — Analog input 6 / Port RA6 |
| Pin 26 | AN7/RA7 — Analog input 7 / Port RA7 |
| Pin 27 | AN8/RB0 — Analog input 8 / shared with RB0 |
| Pin 28 | AN9/RB1 — Analog input 9 / shared with RB1 |
| Pin 29 | AN10/RB2 — Analog input 10 / shared with RB2 |
| Pin 30 | AN11/RB3 — Analog input 11 / shared with RB3 |
| Pin 31 | AN12/RB4 — Analog input 12 / shared with RB4 |
| Pin 32 | AN13/RB5 — Analog input 13 / shared with RB5 |
| Pin 33 | AN14/RB6 — Analog input 14 / shared with RB6 |
| Pin 34 | AN15/RB7 — Analog input 15 / shared with RB7 |
| Pin 35 | VSS — Ground reference |
| Pin 36 | VDD — Positive supply (3.0-3.6 V) |
| Pin 37 | OSC1/RC12 — Crystal oscillator input or external clock |
| Pin 38 | OSC2/RC13 — Crystal oscillator output |
| Pin 39 | RC14/SOSC1 — Secondary oscillator / I/O RC14 |
| Pin 40 | RC15/SOSCO — Secondary oscillator / I/O RC15 |
| Pin 41 | RC0 — I/O port RC0 |
| Pin 42 | RC1 — I/O port RC1 |
| Pin 43 | RC2 — I/O port RC2 |
| Pin 44 | RC3 — I/O port RC3 |
| Pin 45 | RC4 — I/O port RC4 |
| Pin 46 | RC5 — I/O port RC5 |
| Pin 47 | RC6 — I/O port RC6 |
| Pin 48 | RC7 — I/O port RC7 |
| Pin 49 | RC8 — I/O port RC8 |
| Pin 50 | RC9 — I/O port RC9 |
| Pin 51 | RD0 — I/O port RD0 |
| Pin 52 | RD1 — I/O port RD1 |
| Pin 53 | RD2 — I/O port RD2 |
| Pin 54 | RD3 — I/O port RD3 |
| Pin 55 | RD4 — I/O port RD4 |
| Pin 56 | RD5 — I/O port RD5 |
| Pin 57 | RD6 — I/O port RD6 |
| Pin 58 | RD7 — I/O port RD7 |
| Pin 59 | VSS — Ground reference |
| Pin 60 | VDD — Positive supply (3.0-3.6 V) |
| Pin 61 | RF0 — I/O port RF0 |
| Pin 62 | RF1 — I/O port RF1 |
| Pin 63 | RF2 — I/O port RF2 |
| Pin 64 | MCLR — Master Clear reset input (active low) |
Typical Applications
PIC24HJ256GP206AT-I/PT is suitable for 7 applications: Industrial Sensor Conditioning and CAN Node, BLDC / PMSM Motor Control Drive, HVAC and Building Automation Controller, Automotive Body and Chassis ECU, Medical Instrumentation Front-End, USB Device/HID Peripheral, Power Conversion Digital Controller.
Industrial Sensor Conditioning and CAN Node
The PIC24HJ256GP206AT-I/PT is well suited for industrial 4-20 mA and 0-10 V sensor conditioning nodes connected via ECAN 2.0B. Its 16-channel 12-bit ADC at 500 ksps captures multi-sensor data simultaneously, while hardware ECAN offloads the protocol stack from the CPU. The 40 MIPS core executes filtering and linearization in real time, and the 256 KB Flash accommodates full Modbus/CANopen protocol libraries. Industrial temperature grade (-40C to +85C) and 3.3 V operation match PLC and field-transmitter rails.
Recommended
BLDC / PMSM Motor Control Drive
The PIC24HJ256GP206AT-I/PT serves as the main controller in BLDC, PMSM, and stepper motor drives. Five 16-bit timers provide up to 7.5 ns PWM resolution at 40 MIPS, supporting field-oriented control (FOC) at 20-40 kHz switching. The 12-bit ADC at 500 ksps synchronizes current sensing with PWM center, while the hardware multiplier accelerates Clarke/Park transforms. 256 KB Flash stores vector tables and speed-loop firmware, and 16 KB RAM buffers trajectory lookups without external memory.
Recommended
HVAC and Building Automation Controller
HVAC and building automation controllers benefit from the PIC24HJ256GP206AT-I/PT's 16 KB RAM (for Modbus/BACnet stacks), ECAN interface (for BACnet MS-TP), and dual UART/SPI for sensor and display buses. The 40 MIPS core runs proportional-integral climate loops with sub-millisecond period, and 256 KB Flash supports full BACnet/IP or LonWorks stacks. Industrial -40C to +85C temperature rating covers mechanical room environments with no additional conditioning.
Recommended
Automotive Body and Chassis ECU
The PIC24HJ256GP206AT-I/PT is used in non-safety automotive body and chassis ECUs such as HVAC controls, lighting modules, and seat controllers. Hardware ECAN 2.0B interfaces to the vehicle CAN bus at 500 kbps, while the 12-bit ADC reads potentiometers, thermistors, and current shunts. 256 KB Flash supports AUTOSAR-lite stacks and OEM-specific diagnostic services. For under-hood or safety applications, select the PIC24HJ256GP206AT-E/PT extended-temperature variant (-40C to +125C).
Recommended
Medical Instrumentation Front-End
Medical instruments such as portable pulse oximeters, spirometers, and patient-monitoring front-ends leverage the PIC24HJ256GP206AT-I/PT's 12-bit ADC for analog signal acquisition and DSP-class 16-bit core for FIR/IIR filtering. The hardware multiplier accelerates FFT-based heart-rate variability algorithms, while PPS allows flexible signal routing on dense analog boards. The 3.3 V low-voltage operation suits battery-powered portable devices, and 16 KB RAM buffers sample windows without external memory.
Recommended
USB Device/HID Peripheral
USB device-class peripherals (HID, CDC, vendor-specific) pair well with the PIC24HJ256GP206AT-I/PT and an external USB3300 or PIC18 USB transceiver. The 40 MIPS core handles USB interrupt latency comfortably, and the 16 KB RAM accommodates HID report buffers and USB descriptors. 256 KB Flash stores full USB stacks plus application code. PPS remaps USB-attached peripherals to convenient I/O pins, easing PCB layout on small form-factor boards.
Recommended
Power Conversion Digital Controller
Digital control of switch-mode power supplies (SMPS) such as PFC, LLC, and full-bridge converters is a strong fit for the PIC24HJ256GP206AT-I/PT. The 12-bit ADC samples voltage and current mode signals at 500 ksps with sub-microsecond latency, while the 16-bit timers generate high-resolution PWM for the power stage. Hardware ECAN enables digital-loop telemetry to the host controller. Industrial temperature rating supports telecom and industrial PSU environments.
Recommended
Recommended Products Summary
Engineering reference data for PIC24HJ256GP206AT-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24HJ256GP206A-I/PT | PIC24HJ128GP206AT-I/PT | PIC24HJ256GP206AT-I/MR | PIC24HJ128GP206A-I/PT | PIC24HJ256GP206AT-E/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) - same | 64-pin TQFP (10x10 mm) - same | 64-pin VQFN (9x9 mm) - same family | 64-pin TQFP (10x10 mm) - same | 64-pin TQFP (10x10 mm) - same |
| Flash Memory | 256 KB | 256 KB | 128 KB (-50%) | 256 KB | 128 KB (-50%) | 256 KB |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| Maximum CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C (Extended) |
| ECAN 2.0B | Yes | Yes | Yes | Yes | Yes | Yes |
| Packaging Style | Tape & Reel (T suffix) | Tray (no T suffix) | Tape & Reel | Tape & Reel, QFN package | Tray | Tape & Reel, Extended temp |
Key Differentiators
- Industrial-grade temperature rating with full peripheral set (vs PIC24HJ128GP206AT-I/PT)
- Tape & Reel packaging optimized for SMT production (vs PIC24HJ256GP206A-I/PT)
- Hardware ECAN 2.0B and 12-bit ADC on the same die (vs PIC24FJ256GB206 (F-series, not H))
- Same 64-pin TQFP footprint across Flash densities for BOM reuse (vs PIC24HJ256GP206AT-I/MR)
Design Notes
The PIC24HJ256GP206AT-I/PT operates from a single 3.0-3.6 V supply on pins 18, 36, and 60. Place 100 nF decoupling capacitors within 5 mm of each VDD/VSS pair, plus a bulk 10 uF tantalum or ceramic on the main 3.3 V rail. The core has no internal LDO, so any ripple above 100 mVpk-pk on VDD can couple into the ADC - use a low-noise LDO such as MCP1700 rather than switching regulators for analog signal-chain designs. Estimated: with 40 MIPS core active and all peripherals enabled, IDD is approximately 70 mA; verify with the datasheet IDD vs. frequency curve for your specific configuration.
Use a 4-layer PCB with continuous ground plane beneath the TQFP-64 footprint for best ADC performance and EMI. Route analog signals (AN0-AN15) on the top layer only, with the analog ground plane (kept separate from digital ground) joined at a single point under the MCU. Keep crystal traces (OSC1/OSC2) shorter than 10 mm and guard them with a ground ring. The 64-pin TQFP at 0.5 mm pitch requires 0.2 mm trace/space - standard 4-layer fab processes handle this comfortably.
Three common pitfalls with PIC24H designs: (1) forgetting to configure Peripheral Pin Select (PPS) before first use of any remappable peripheral - remappable pins default to GPIO input only, so UART/SPI will appear silent. (2) leaving the AVDD/VREF+ pin unconnected when using the ADC - VREF+ must be tied to AVDD or a precision reference, otherwise ADC readings drift. (3) Overclocking past 40 MIPS with an external clock outside the PLL range - the PLL requires a 4-8 MHz reference and will fail to lock above this range, causing silent CPU execution at wrong frequency.
Estimated: the 64-pin TQFP package has a theta_JA of approximately 50 C/W on a standard 4-layer JEDEC test board (per Microchip package thermal data). At 70 mA IDD and 3.3 V supply, internal dissipation is approximately 231 mW, yielding a 12 C junction temperature rise above ambient. For enclosed industrial designs operating at 85 C ambient, the junction reaches 97 C - well within the 125 C maximum. No heatsink is required. Always validate the thermal model against your specific PCB copper area.
Reserve PPS-capable pins (RP0-RP15, and remappable RC pins) for peripherals that must move during PCB layout. PPS allows UART, SPI, and other digital peripherals to be mapped to a wide range of pins after PCB layout is complete - this is invaluable when a critical analog pin conflicts with a digital function. Document the PPS mapping in a header file so that firmware changes do not silently break peripheral assignments. Include a 100 kOhm pull-up on MCLR (pin 64) for reliable reset behavior.
Compliance Information
RoHS Compliant and Lead-Free per ALPYN listing (2026-09-30). REACH marked Non-Compliant in the ALPYN listing - verify with manufacturer if REACH declaration is required. The /PT package suffix on Microchip parts denotes TQFP, and the T preceding suffix denotes Tape & Reel.
