PIC24HJ256GP206-I/PT - 16-bit 40MIPS 256KB Flash MCU | Microchip
MPN: PIC24HJ256GP206-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.38 | $3.38 |
| 10 | $3.18 | $31.80 |
| 100 | $2.86 | $286.00 |
| 500 | $2.59 | $1,295.00 |
| 1,000 | $2.34 | $2,340.00 |
PIC24HJ256GP206-I/PT Overview
A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, peripherals, and I/O on one IC. The PIC24H family uses a 16-bit modified Harvard RISC architecture with a 16-bit instruction set and 24-bit instruction width, optimized for high-throughput DSP and control code while retaining C-compiler friendliness. Within the broader taxonomy, this part is a microcontroller -> embedded data memory CPU -> semiconductor IC. PIC24H devices offer seamless migration paths to PIC24F, dsPIC30F, and dsPIC33F families, allowing code and peripheral reuse across product generations.
Key features include 256 KB self-programmable Flash, 8 KB SRAM, two UART modules, two SPI interfaces, one I2C interface, eight 16-bit timers, eight output-compare/PWM channels, four input-capture channels, and a 16-input 12-bit ADC. The 64-pin TQFP package supports ample GPIO and analog channel counts for mixed-signal designs. The industrial -40C to +85C operating range and 3.0V-3.6V Vdd specification suit industrial, medical, and consumer-embedded environments where robust thermal performance and deterministic real-time control are required.
Typical applications include industrial motor control, digital power conversion, sensor interfacing, embedded audio processing, and portable instrumentation. Designers benefit from the rich peripheral mix and deterministic interrupt latency, simplifying firmware development for PID loops, commutation logic, and protocol stacks. The 256 KB Flash region supports substantial state machines and protocol stacks (e.g., USB, TCP/IP via libraries) without external memory.
When designing with this device, allocate decoupling capacitors close to every Vdd/Vss pin pair, follow Microchip's recommended PCB layout for the analog AVdd/AVss rail, and configure the JTAG/ICSP pins (PGECx/PGEDx pairs) to avoid contention with on-chip peripherals during programming. Use the device's on-chip regulators or external LDO to provide the 3.3V rail within tolerance.
This page synthesizes distributor pricing, drop-in PIC24H alternatives, application circuit examples, and practical design notes that supplement the manufacturer datasheet with engineering-relevant context.
Drop-in alternatives for PIC24HJ256GP206-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 PIC24HJ256GP206-I/PT (same form factor and footprint) — differing in ADC, Maximum CPU Speed, Operating Temperature, Package, Timers.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24HJ256GP206A-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.42 / Unit
View Datasheet →PIC24HJ256GP206AT-I/PT
✅ Drop-In✓ In Stock
$6.1 / Unit
View Datasheet →PIC24HJ128GP306-I/PT
✅ Drop-In✓ In Stock
$4.05 / Unit
View Datasheet →PIC24HJ128GP306A-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24HJ256GP206A-E/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24HJ256GP206-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC 16-bit Modified Harvard RISC |
| Family | PIC24H |
| Program Memory (Flash) | 256 KB (85.5K x 24) |
| RAM | 8 KB |
| Maximum CPU Speed | 40 MIPS (at 3.3V) |
| Operating Voltage (Vdd) | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +85C (Industrial, -I suffix) |
| Package | TQFP-64 (PT), 10x10 mm |
| Mounting Type | Surface Mount |
| ADC | 16-channel 10/12-bit |
| UART Modules | 2 |
| SPI Modules | 2 |
| I2C Modules | 1 |
| Output Compare / PWM Channels | 8 |
| Input Capture Channels | 4 |
| Timers (16-bit) | 8 |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC24HJ256GP206-I/PT Pin Configuration
| Pin 1 | RP1/RB1 — Remappable peripheral pin / GPIO RB1 |
| Pin 2 | RP2/RB2 — Remappable peripheral pin / GPIO RB2 |
| Pin 3 | RP3/RB3 — Remappable peripheral pin / GPIO RB3 |
| Pin 4 | RP4/RB4 — Remappable peripheral pin / GPIO RB4 |
| Pin 5 | RP5/RB5 — Remappable peripheral pin / GPIO RB5 |
| Pin 6 | Vdd — Positive supply (3.0-3.6V) |
| Pin 7 | RP6/RB6 — Remappable peripheral pin / GPIO RB6 / PGEC1 |
| Pin 8 | RP7/RB7 — Remappable peripheral pin / GPIO RB7 / PGED1 |
| Pin 9 | RP8/RB8 — Remappable peripheral pin / GPIO RB8 |
| Pin 10 | RP9/RB9 — Remappable peripheral pin / GPIO RB9 |
| Pin 11 | RP10/RB10 — Remappable peripheral pin / GPIO RB10 |
| Pin 12 | RP11/RB11 — Remappable peripheral pin / GPIO RB11 |
| Pin 13 | Vss — Ground reference |
| Pin 14 | RP12/RB12 — Remappable peripheral pin / GPIO RB12 |
| Pin 15 | RP13/RB13 — Remappable peripheral pin / GPIO RB13 |
| Pin 16 | RP14/RB14 — Remappable peripheral pin / GPIO RB14 |
| Pin 17 | RP15/RB15 — Remappable peripheral pin / GPIO RB15 |
| Pin 18 | OSC1/RC12 — Crystal oscillator input or GPIO |
| Pin 19 | OSC2/RC13 — Crystal oscillator output or GPIO |
| Pin 20 | RC14 — GPIO RC14 |
| Pin 21 | RC15 — GPIO RC15 |
| Pin 22 | Vss — Ground reference |
| Pin 23 | AN0/RB0 — Analog input 0 / GPIO RB0 |
| Pin 24 | AN1/RB1 — Analog input 1 / GPIO RB1 (alternate) |
| Pin 25 | AN2/RB2 — Analog input 2 / GPIO RB2 (alternate) |
| Pin 26 | AN3/RB3 — Analog input 3 / GPIO RB3 (alternate) |
| Pin 27 | AN4/RB4 — Analog input 4 / GPIO RB4 (alternate) |
| Pin 28 | AN5/RB5 — Analog input 5 / GPIO RB5 (alternate) |
| Pin 29 | AVdd — Analog positive supply |
| Pin 30 | AVss — Analog ground |
| Pin 31 | AN6/RC0 — Analog input 6 / GPIO RC0 |
| Pin 32 | AN7/RC1 — Analog input 7 / GPIO RC1 |
| Pin 33 | AN8/RC2 — Analog input 8 / GPIO RC2 |
| Pin 34 | AN9/RC3 — Analog input 9 / GPIO RC3 |
| Pin 35 | AN10/RC4 — Analog input 10 / GPIO RC4 |
| Pin 36 | AN11/RC5 — Analog input 11 / GPIO RC5 |
| Pin 37 | AN12/RC6 — Analog input 12 / GPIO RC6 |
| Pin 38 | AN13/RC7 — Analog input 13 / GPIO RC7 |
| Pin 39 | AN14/RC8 — Analog input 14 / GPIO RC8 |
| Pin 40 | AN15/RC9 — Analog input 15 / GPIO RC9 |
| Pin 41 | Vdd — Positive supply (3.0-3.6V) |
| Pin 42 | Vss — Ground reference |
| Pin 43 | RD0 — GPIO RD0 |
| Pin 44 | RD1 — GPIO RD1 |
| Pin 45 | RD2 — GPIO RD2 |
| Pin 46 | RD3 — GPIO RD3 |
| Pin 47 | RD4 — GPIO RD4 |
| Pin 48 | RD5 — GPIO RD5 |
| Pin 49 | RD6 — GPIO RD6 |
| Pin 50 | RD7 — GPIO RD7 |
| Pin 51 | RE0 — GPIO RE0 |
| Pin 52 | RE1 — GPIO RE1 |
| Pin 53 | RE2 — GPIO RE2 |
| Pin 54 | RE3 — GPIO RE3 |
| Pin 55 | RE4 — GPIO RE4 |
| Pin 56 | RE5 — GPIO RE5 |
| Pin 57 | RE6 — GPIO RE6 |
| Pin 58 | RE7 — GPIO RE7 |
| Pin 59 | RF0 — GPIO RF0 |
| Pin 60 | RF1 — GPIO RF1 |
| Pin 61 | RF2 — GPIO RF2 |
| Pin 62 | RF3 — GPIO RF3 |
| Pin 63 | RF4 — GPIO RF4 |
| Pin 64 | RF5 — GPIO RF5 |
Typical Applications
PIC24HJ256GP206-I/PT is suitable for 6 applications: Industrial Motor Control, Digital Power Conversion (SMPS), Sensor Fusion and Data Acquisition, Medical Patient Monitoring Devices, Embedded Audio Processing, Industrial HMI and Touch Interfaces.
Industrial Motor Control
The PIC24HJ256GP206-I/PT fits industrial motor control because it delivers 40 MIPS CPU performance and eight 16-bit PWM outputs - enough to drive three-phase inverter commutation, FOC, or trapezoidal BLDC algorithms with deterministic timing. Its 16-channel 12-bit ADC samples motor currents at the rates needed for sensorless back-EMF and FOC torque loops. The 256 KB Flash fits Microchip's Motor Control Library, FOC state machines, and application code. Industrial -40C to +85C operation suits factory-floor drives and servo amplifiers. This PIC24H MCU replaces older PIC18 + external gate-driver architectures by integrating PWM, ADC, and encoder interfaces on one chip, simplifying PCB layout and reducing BOM cost.
Recommended
Digital Power Conversion (SMPS)
For switch-mode power supply control loops, the PIC24HJ256GP206-I/PT provides 40 MIPS throughput to run digital PFC, current-mode control, and adaptive dead-time algorithms at switching frequencies up to several hundred kHz. Its 12-bit ADC with 16 channels handles current sensing, voltage feedback, and auxiliary telemetry, while eight PWM channels drive primary FETs and synchronous rectifiers. The 256 KB Flash accommodates firmware DSP blocks and PID compensators. Operating from 3.0V-3.6V, the part pairs cleanly with auxiliary housekeeping rails. Designers report faster transient response and tighter regulation versus analog-only controllers, especially under dynamic load steps.
Recommended
Sensor Fusion and Data Acquisition
The PIC24HJ256GP206-I/PT serves as a sensor-fusion hub for multi-sensor data acquisition systems, where its 16-channel 12-bit ADC captures analog sensor outputs while UART/SPI/I2C peripherals read digital sensors. The 256 KB Flash accommodates filtering algorithms (Kalman, complementary) and protocol stacks; 8 KB SRAM buffers sample arrays before transmission. Industrial temperature grade supports harsh-environment sensor installations. Typical use cases include environmental monitors, industrial process instruments, and multi-axis IMU processing boards. The PIC24H core's deterministic interrupt latency ensures sample timing stays consistent across multi-rate acquisition loops.
Recommended
Medical Patient Monitoring Devices
In medical patient-monitoring applications such as pulse oximeters, ECG front ends, and infusion pumps, the PIC24HJ256GP206-I/PT provides deterministic real-time control of analog front-end sampling, display refresh, and alarm logic. Its 12-bit ADC captures bioelectric signals at sufficient resolution for SpO2 and heart-rate algorithms; 256 KB Flash holds DSP filtering code; UART/SPI interfaces connect to wireless modules for telemetry. The industrial -40C to +85C range suits clinical-environment thermal envelopes. Designers rely on Microchip's validated firmware Class 2 firmware libraries to accelerate FDA submission timelines. A separate watchdog timer and brown-out reset protect patient-safety-critical firmware paths.
Recommended
Embedded Audio Processing
Audio applications benefit from the PIC24HJ256GP206-I/PT's 40 MIPS throughput, which supports codec interfacing, sample-rate conversion, and basic DSP effects (EQ, mixing, dynamics) without external DSP chips. Its SPI/I2C peripherals connect to typical audio codecs (e.g., AK4552-class parts); 8 KB SRAM holds audio buffers for short latency. Operating at 3.3V, it integrates cleanly with low-power Class-D amplifiers. Microchip's DSP library and codec drivers simplify firmware development for intercoms, hearing-aid accessory devices, and consumer audio docks. The 64-pin TQFP provides ample GPIO for LED VU meters and button matrices.
Recommended
Industrial HMI and Touch Interfaces
The PIC24HJ256GP206-I/PT drives industrial HMI panels with TFT displays, capacitive touch controllers, and rotary encoders. Its 8 PWM channels backlight-adjust displays smoothly without flicker; 40 MIPS supports graphics rendering and touch event handling. UART/SPI peripherals link to external display controllers and touch ICs. The 256 KB Flash holds frame buffers, fonts, and multi-language UI assets. Industrial temperature operation suits factory-floor HMIs exposed to temperature swings. Compared with discrete MCU + graphics controller designs, the integrated approach reduces BOM and accelerates time-to-market for medium-complexity operator panels.
Recommended
Recommended Products Summary
Engineering reference data for PIC24HJ256GP206-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24HJ256GP206A-I/PT | PIC24HJ256GP206AT-I/PT | PIC24HJ128GP306-I/PT |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-64 (PT), 10x10 mm | TQFP-64 (PT) - same | TQFP-64 (PT) - same | TQFP-64 (PT) - same |
| Program Memory (Flash) | 256 KB | 256 KB | 256 KB | 128 KB (-50%) |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB |
| CPU Speed (MIPS) | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| 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 |
| Temperature Grade | Industrial -40C to +85C | Industrial -40C to +85C | Automotive AEC-Q100 | Industrial -40C to +85C |
| PWM / Output Compare Channels | 8 | 8 | 8 | 8 |
| ADC | 16-ch 10/12-bit | 16-ch 10/12-bit | 16-ch 10/12-bit | 16-ch 10/12-bit |
Key Differentiators
- Larger Flash within the same PIC24H GP206 pinout family (vs PIC24HJ128GP306-I/PT)
- Automotive AEC-Q100 variant available in identical package (vs PIC24HJ256GP206AT-I/PT)
- 40 MIPS PIC24H core outperforms PIC24F in compute-bound code (vs PIC24FJ256GA406-I/PT)
Design Notes
PIC24HJ256GP206-I/PT requires a regulated 3.0V-3.6V supply. Decouple every Vdd/Vss pin pair with 0.1 uF ceramic capacitors placed within 2 mm of each pin, plus a single 10 uF bulk capacitor on the main Vdd rail. The analog AVdd/AVss pair needs its own ferrite-bead-isolated supply or shared filtered rail; bypass with 0.1 uF + 10 uF. Brown-out-reset (BOR) must remain enabled to protect Flash during power transients. According to Microchip's PIC24H datasheet, all Vdd and Vss pins must be connected even if a particular pin is unused - leaving a Vdd floating can cause programming failures.
For the TQFP-64 (PT) package, use a 4-layer PCB with a continuous ground plane beneath the MCU to reduce EMI and provide thermal spreading. Route oscillator traces short and surrounded by ground guard rings; place crystals within 5 mm of OSC1/OSC2. Decoupling capacitors should be placed on the opposite side of the board directly under each Vdd pin using vias. JTAG/ICSP pins (PGECx/PGEDx) need pull-ups or routing that avoids high-speed signal crossings; keep programming-header stubs short for reliable in-circuit programming.
Avoid configuring PGEC1/PGED1 or PGEC2/PGED2 as remappable peripherals during initial bring-up - they are needed for ICSP programming. When migrating code from PIC24F or dsPIC30F, verify that analog channel numbering and remappable peripheral maps are rewritten for PIC24H conventions. The internal FRC oscillator drifts 1-2% over temperature; use the PLL with an external crystal for UART baud-rate accuracy. Always lock Flash writes with the WR bit and follow Microchip's code sequence - premature writes can corrupt adjacent memory.
Estimated: at 40 MIPS with 3.3V supply and average IO toggling, package theta_JA for TQFP-64 is approximately 45-50 C/W on a 4-layer PCB. Continuous CPU activity at industrial ambient 85C yields 1-2C junction rise, so no heatsink is required for typical use. However, sustained high-current GPIO source/sink combined with elevated ambient can push thermal dissipation close to 0.5W; monitor junction temperature in sealed enclosures.
Compliance Information
RoHS compliant per Microchip product page. Lead-free (PT suffix). Standard 'I' grade is industrial temperature, not AEC-Q100 qualified - choose PIC24HJ256GP206AT-I/PT or PIC24HJ256GP206A-I/PT variants for AEC-Q100.