PIC24HJ64GP206AT-I/MR - 16-bit 64KB Flash MCU, 40 MIPS, 64-QFN | Microchip
MPN: PIC24HJ64GP206AT-I/MR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.12 | $8.12 |
| 10 | $7.3 | $73.00 |
| 100 | $6.41 | $641.00 |
| 500 | $5.62 | $2,810.00 |
| 1,000 | $4.86 | $4,860.00 |
| 3,000 | $4.21 | $12,630.00 |
PIC24HJ64GP206AT-I/MR Overview
Key specifications include a 40 MHz maximum operating frequency (yielding 40 MIPS), 64 KB on-chip Flash program memory, 8 KB SRAM, 4 KB EEPROM emulation data memory, and a wide operating voltage range of 3.0V to 3.6V. The device features advanced peripherals including 2 UART, 2 SPI, and 2 I2C interfaces, plus a 16-channel 10/12-bit ADC. It also integrates a 16-bit timer/counter block and up to 51 general-purpose I/O pins. The 'A' suffix indicates revision A silicon; the trailing 'T' indicates tape-and-reel packaging; the '-I' industrial temperature range is -40C to +85C.
A 16-bit MCU is a microcontroller built around a 16-bit data path and instruction word, offering higher code density and arithmetic throughput than 8-bit MCUs while retaining deterministic real-time interrupt behaviour. Within Microchip's hierarchy, the PIC24H belongs to the PIC24F/PIC24H family of 16-bit microcontrollers -> PIC24 microcontroller family -> 16-bit MCU class -> embedded microcontroller -> semiconductor. The PIC24H architecture shares a 16-bit modified Harvard core with the dsPIC33F DSC family, enabling migration to DSP functionality with the same tool chain and peripheral set.
The 'GP' (General Purpose) part number denotes a peripheral mix tuned for control loops, communication bridging, and human-machine interface tasks. The PIC24HJ64GP206A devices are pin-compatible with the dsPIC33FJ64GP206A DSC family, allowing firmware upgrade paths from MCU to DSC with the same PCB footprint. The 64-VQFN exposed pad package provides low thermal resistance for reliable operation in industrial environments with junction temperatures up to 150C.
Typical applications include industrial motor control, sensor signal processing, switching power supply digital control, USB device controllers (with external PHY), HVAC controllers, and automotive body electronics sub-modules. The 40 MIPS throughput makes it well-suited for real-time PID loops and digital filtering tasks where an 8-bit MCU would saturate the CPU.
When designing with this part, ensure the VQFN exposed pad is soldered to a sufficient copper pour (recommended 1 square inch minimum) for thermal dissipation. Decoupling capacitors (100 nF + 10 uF bulk) must be located within 5 mm of each power pin to meet the ADC SNR spec. For designs migrating to DSP, use the pin-compatible dsPIC33FJ64GP206A directly without PCB rework.
Drop-in alternatives for PIC24HJ64GP206AT-I/MR — 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 PIC24HJ64GP206AT-I/MR (same form factor and footprint) — differing in ADC, Package, Maximum CPU Speed, Program Memory (Flash), Timers.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
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View Datasheet →PIC24HJ64GP206A-I/PT
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View Datasheet →PIC24HJ32GP304-I/ML
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View Datasheet →PIC24HJ128GP306A-I/MR
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View Datasheet →PIC24FJ64GA006-I/MR
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View Datasheet →PIC24HJ64GP206AT-I/MR Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24H (16-bit modified Harvard) |
| Program Memory (Flash) | 64 KB |
| Data Memory (SRAM) | 8 KB |
| Data EEPROM | Emulated (4 KB) |
| Maximum CPU Speed | 40 MIPS (40 MHz) |
| Operating Voltage | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +85C (Industrial) |
| ADC | 16-channel, 10/12-bit |
| UART | 2 |
| SPI | 2 |
| I2C | 2 |
| Timers | 16-bit, multiple |
| I/O Pins | Up to 51 |
| Package | 64-pin VQFN (MR) with exposed pad |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Silicon Revision | A |
| Pin-Compatible DSP | dsPIC33FJ64GP206A |
| DSP/DSC Family Cross | dsPIC33FJ64GP206A (same package) |
PIC24HJ64GP206AT-I/MR Pin Configuration
| Pin 1 | RP15/RX2/CN22/RB15 — Remappable I/O / UART2 RX / Change Notification |
| Pin 2 | RP14/TX2/CN23/RB14 — Remappable I/O / UART2 TX / Change Notification |
| Pin 3 | RP13/CN21/RB13 — Remappable I/O / Change Notification |
| Pin 4 | RP12/CN20/RB12 — Remappable I/O / Change Notification |
| Pin 5 | RP11/CN19/RB11 — Remappable I/O / Change Notification |
| Pin 6 | RP10/CN18/RB10 — Remappable I/O / Change Notification |
| Pin 7 | RP9/CN17/RB9 — Remappable I/O / Change Notification |
| Pin 8 | RP8/CN16/RB8 — Remappable I/O / Change Notification |
| Pin 9 | RP7/CN15/RB7 — Remappable I/O / Change Notification |
| Pin 10 | RP6/CN14/RB6 — Remappable I/O / Change Notification |
| Pin 11 | RP4/CN13/RB4 — Remappable I/O / Change Notification |
| Pin 12 | RP3/CN12/RB3 — Remappable I/O / Change Notification |
| Pin 13 | RP2/CN11/RB2 — Remappable I/O / Change Notification |
| Pin 14 | RP1/CN10/RB1 — Remappable I/O / Change Notification |
| Pin 15 | RP0/CN9/RB0 — Remappable I/O / Change Notification |
| Pin 16 | VDD — Digital supply voltage (3.0-3.6V) |
| Pin 17 | VSS — Digital ground |
| Pin 18 | OSC1/RC1 — Crystal/clock input or RC oscillator |
| Pin 19 | OSC2/RC2 — Crystal/clock output or RC oscillator |
| Pin 20 | MCLR — Master Clear (reset) input, active low |
| Pin 21 | TDO/SDA2/RA10 — JTAG TDO / I2C2 SDA / GPIO |
| Pin 22 | TCK/SCL2/RA9 — JTAG TCK / I2C2 SCL / GPIO |
| Pin 23 | TMS/RP21/RA8 — JTAG TMS / Remappable I/O / GPIO |
| Pin 24 | TDI/RP20/RA7 — JTAG TDI / Remappable I/O / GPIO |
| Pin 25 | RP19/SDA1/RA6 — Remappable I/O / I2C1 SDA / GPIO |
| Pin 26 | RP18/SCL1/RA5 — Remappable I/O / I2C1 SCL / GPIO |
| Pin 27 | RP17/RA0 — Remappable I/O / GPIO / AN0 |
| Pin 28 | RP16/RA1 — Remappable I/O / GPIO / AN1 |
| Pin 29 | VDD — Digital supply voltage |
| Pin 30 | VSS — Digital ground |
| Pin 31 | AN23/RP5/RB5 — Analog input / Remappable I/O |
| Pin 32 | AN22/RP3/RB3 — Analog input / Remappable I/O |
| Pin 33 | AN21/RP2/RB2 — Analog input / Remappable I/O |
| Pin 34 | AN20/RP1/RB1 — Analog input / Remappable I/O |
| Pin 35 | AN19/RP0/RB0 — Analog input / Remappable I/O |
| Pin 36 | AVSS — Analog ground |
| Pin 37 | AVDD — Analog supply voltage |
| Pin 38 | AN18/RA2 — Analog input / GPIO |
| Pin 39 | AN17/RA3 — Analog input / GPIO |
| Pin 40 | AN16/RA4 — Analog input / GPIO |
| Pin 41 | AN14/RP26/RB14 — Analog input / Remappable I/O |
| Pin 42 | AN13/RP27/RB13 — Analog input / Remappable I/O |
| Pin 43 | AN12/RP24/RB12 — Analog input / Remappable I/O |
| Pin 44 | AN11/RP23/RB11 — Analog input / Remappable I/O |
| Pin 45 | AN10/RP22/RB10 — Analog input / Remappable I/O |
| Pin 46 | AN9/RP25/RB9 — Analog input / Remappable I/O |
| Pin 47 | AN8/RP20/RB8 — Analog input / Remappable I/O |
| Pin 48 | AN7/RP19/RB7 — Analog input / Remappable I/O |
| Pin 49 | AN6/RP18/RB6 — Analog input / Remappable I/O |
| Pin 50 | AN5/RP17/RB5 — Analog input / Remappable I/O |
| Pin 51 | AN4/RP16/RB4 — Analog input / Remappable I/O |
| Pin 52 | AN3/RP15/RB3 — Analog input / Remappable I/O |
| Pin 53 | AN2/RP14/RB2 — Analog input / Remappable I/O |
| Pin 54 | AN1/RP13/RB1 — Analog input / Remappable I/O |
| Pin 55 | AN0/RP12/RB0 — Analog input / Remappable I/O |
| Pin 56 | VDD — Digital supply voltage |
| Pin 57 | VSS — Digital ground |
| Pin 58 | RP31/CN17/RA15 — Remappable I/O / Change Notification |
| Pin 59 | RP30/CN16/RA14 — Remappable I/O / Change Notification |
| Pin 60 | RP29/CN15/RA13 — Remappable I/O / Change Notification |
| Pin 61 | RP28/CN14/RA12 — Remappable I/O / Change Notification |
| Pin 62 | RP27/CN13/RA11 — Remappable I/O / Change Notification |
| Pin 63 | RP26/CN12/RA10 — Remappable I/O / Change Notification |
| Pin 64 | EP — Exposed pad - thermal/ground connection (must be soldered) |
Typical Applications
PIC24HJ64GP206AT-I/MR is suitable for 7 applications: Industrial Motor Control, Digital Switching Power Supply Control, Industrial Sensor Hub and Modbus Gateway, HVAC Variable Frequency Drive Controller, Automotive Body Electronics Sub-Module, Medical Patient Monitoring Sub-System, Building Automation Lighting Controller.
Industrial Motor Control
The PIC24HJ64GP206AT-I/MR is well suited for sensor-based BLDC and PMSM motor control applications requiring deterministic real-time response. Its 40 MIPS throughput handles PI velocity loops running at 20 kHz update rates with substantial code headroom for trapezoidal commutation tables. The 16-channel 10/12-bit ADC reads back EMF sensing comparators and Hall-effect sensors simultaneously with 1 MSPS aggregate sample rate, while dual PWM channels (one per motor phase pair) drive 3-phase inverter MOSFETs via isolated gate drivers. Pair the MCU with a 3-phase gate driver such as the MCP8024 or FAN7884. Compared to a dsPIC33F DSP, the PIC24H loses the single-cycle MAC engine for field-oriented control (FOC) - choose dsPIC33FJ64GP206A-I/MR for sensorless FOC, otherwise the PIC24HJ64GP206A is the cost-optimal MCU for sensored commutation and trapezoidal control. The 64-VQFN exposed pad allows sustained junction temperature rise below 50C at 1 W dissipation.
Recommended
Digital Switching Power Supply Control
The PIC24HJ64GP206AT-I/MR serves as a digital controller for isolated and non-isolated switching power supplies including PFC stages, half-bridge converters, and full-bridge topologies. Its 40 MIPS throughput handles digital average current-mode control loops running at 100 kHz switching frequency with 1.5 MIPS CPU budget per switching period, plus auxiliary housekeeping tasks. The 12-bit ADC (configurable to 10-bit for higher speed) samples current-sense and voltage-feedback signals at up to 500 kSPS, while dedicated PWM channels with 7.5 ns resolution drive synchronous rectifier MOSFETs. The 8 KB SRAM accommodates state-variable tables for up to 4 closed-loop control variables. Compared to an 8-bit PIC16 MCU, the PIC24HJ64GP206A executes the digital compensation filter with 2.5x headroom, enabling adaptive digital compensation. Use this MCU in 100 W to 1 kW telecom/datacenter PSU sub-modules where deterministic interrupt response prevents catastrophic MOSFET cross-conduction events.
Recommended
Industrial Sensor Hub and Modbus Gateway
The PIC24HJ64GP206AT-I/MR functions as an industrial sensor hub aggregating analog/digital sensor inputs and forwarding them via Modbus RTU or Modbus TCP to a PLC or SCADA system. Its 16-channel ADC and 51 GPIO pins interface to 4-20 mA current-loop sensors, RTDs, thermocouples (via external PGA), and discrete digital inputs. The two UART ports handle the RS-485 Modbus master/slave port and a configuration/diagnostic port simultaneously, while the dual SPI/I2C blocks connect to digital temperature sensors, EEPROM, and external ADC for higher-precision channels. The 40 MIPS throughput runs the Modbus RTU state machine, polynomial CRC-16 verification, and HMI-side polling logic with negligible CPU loading. Compared to a Cortex-M0+ alternative, the PIC24H's deterministic interrupt latency is preferable in industrial environments with frequent sub-millisecond sensor updates.
Recommended
HVAC Variable Frequency Drive Controller
The PIC24HJ64GP206AT-I/MR drives a variable-frequency compressor motor in residential and light-commercial HVAC systems. Its 40 MIPS throughput handles sinusoidal commutation algorithms and torque-ripple compensation at PWM frequencies up to 20 kHz, while the 16-channel ADC monitors DC bus voltage, phase currents, IPM temperature, and PFC input waveforms simultaneously. The two I2C blocks interface to EEPROM (setpoint storage), digital temperature sensors, and external RTC modules for time-of-use scheduling. The dual UART ports connect to the Wi-Fi/BLE HVAC module and to the service technician diagnostic port. Compared to a dsPIC33F DSC, the PIC24HJ64GP206A is the cost-optimized choice for fixed-frequency V/Hz control and basic sensorless trapezoidal commutation, whereas dsPIC33FJ64GP206A is required for full sensorless FOC with high starting torque.
Recommended
Automotive Body Electronics Sub-Module
Although not AEC-Q100 qualified, the PIC24HJ64GP206AT-I/MR is used in non-safety automotive body electronics sub-modules including HVAC blowers, seat controllers, and accessory modules in passenger vehicles. The -40C to +85C industrial temperature range tolerates cabin temperatures, and the 40 MIPS throughput drives LIN or CAN sub-bus nodes for body control. Note the part is not AEC-Q100 qualified; for AEC-Q100 designs, Microchip offers the dsPIC33FJ64GP206A AEC-Q100 qualified variants. The 64 KB Flash accommodates OBD-II diagnostic handlers and CAN/LIN stack layers. The 8 KB SRAM supports up to 8 simultaneous message buffers. For under-the-hood applications exceeding +85C, Microchip recommends AEC-Q100 qualified dsPIC33CH/dsPIC33CK dual-core parts.
Recommended
Medical Patient Monitoring Sub-System
The PIC24HJ64GP206AT-I/MR is suitable for medical patient monitoring sub-systems including bedside monitor IO modules, pulse oximetry front-ends, and infusion pump control. Its 40 MIPS throughput runs digital filtering on PPG/bio-impedance signals, while the 12-bit ADC captures low-amplitude sensor outputs with adequate SNR for SpO2 calculation. The dual UART ports connect to bedside display modules and to the central station telemetry link. The 64 KB Flash accommodates IEC 62304 lifecycle documentation templates and DSP filter coefficients. Compared to an 8-bit PIC MCU, the PIC24HJ64GP206A executes a 100-tap FIR filter with 8x lower CPU loading. For IEC 60601-1-8 compliant alarm subsystems, an additional supervisory MCU is recommended since the PIC24H lacks the SIL3 diagnostic coverage required for primary alarm paths.
Recommended
Building Automation Lighting Controller
The PIC24HJ64GP206AT-I/MR serves as a DALI-2 or DMX512 lighting controller in commercial building automation systems. Its 40 MIPS throughput runs the DALI-2 application controller stack including color-temperature (Tunable White) calculations, while the dual UART ports handle the DALI bus master interface and the RS-485 BACnet/Modbus trunk. The 16-channel ADC reads ambient light sensors and occupancy detectors, while the PWM channels drive LED driver enable inputs. The 8 KB SRAM supports scene storage tables for up to 16 lighting presets. Compared to a Cortex-M0+ alternative, the PIC24H's deterministic interrupt latency is preferable in DMX512 packet-handling timing-critical tasks. For wireless lighting control via BLE/Zigbee, add an external nRF52832 or JN5168 module connected via SPI.
Recommended
Recommended Products Summary
Engineering reference data for PIC24HJ64GP206AT-I/MR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | dsPIC33FJ64GP606A-I/MR | PIC24HJ128GP506A-I/MR | PIC24HJ128GP306A-I/MR | PIC24HJ64GP206A-I/PT | PIC24FJ64GA006-I/MR |
|---|---|---|---|---|---|---|
| Package | 64-pin VQFN (MR) 8x8 mm | 64-pin VQFN (MR) - same | 64-pin VQFN (MR) - same | 64-pin VQFN (MR) - same | 64-pin TQFP (PT) - different package | 64-pin VQFN (MR) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64 KB | 64 KB | 128 KB | 128 KB | 64 KB | 64 KB |
| SRAM | 8 KB | 8 KB | 8 KB | 16 KB | 8 KB | 8 KB |
| Max CPU Speed | 40 MIPS (40 MHz) | 40 MIPS + DSP | 40 MIPS | 40 MIPS | 40 MIPS | 16 MIPS (-60%) |
| DSP Engine | No (MCU only) | Yes (16x16 MAC) | No | No | No | No |
| Operating Voltage | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V | 2.0V to 3.6V |
| Temperature Range | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Pin Compatible DSP | dsPIC33FJ64GP206A | Native (this part) | dsPIC33FJ128GP506A | dsPIC33FJ128GP306A | dsPIC33FJ64GP206A | Not pin-compatible DSP |
| Approx. Unit Price @1k | $4.86 | ~$5.80 | ~$6.20 | ~$6.10 | ~$4.90 | ~$3.90 |
Key Differentiators
- Pin-compatible with dsPIC33F DSC family for firmware upgrade path (vs PIC24HJ64GP206A-I/PT)
- 40 MIPS throughput for real-time control loops (vs PIC24FJ64GA006-I/MR)
- Industrial temperature range for harsh environments (vs PIC24FJ64GB002-I/ML)
Design Notes
The 64-pin VQFN (MR) package requires the exposed pad (EP, pin 64) to be soldered to a continuous ground copper pour on the top PCB layer, with thermal vias (recommended 9 vias in a 3x3 grid, 0.3 mm drill, 0.5 mm pitch) connecting to the internal ground plane. Without proper EP soldering, the thermal resistance theta_JA increases from ~28 C/W to ~70 C/W, causing the junction temperature to rise dramatically under load. The exposed pad must NOT be left floating - per JEDEC JESD51, it serves both thermal and electrical ground functions. Estimated: at 1 W dissipation, junction rise drops from ~70 C (un-soldered) to ~28 C (proper EP soldering).
Place a 10 uF X5R/X7R bulk decoupling capacitor and a 100 nF ceramic capacitor within 5 mm of each VDD pin pair (pins 16/17, 29/30, 56/57). The AVDD/AVSS analog supply pair (pins 36/37) requires a separate ferrite bead or LC filter from the digital VDD supply to achieve the ADC SNR spec of 60 dB. Estimated: 1 ohm ferrite bead + 10 uF + 100 nF gives a 40 dB noise attenuation at 50 MHz switching harmonics. Without proper AVDD filtering, the ADC exhibits 2-3 LSB noise and degrades sensor measurement accuracy.
The 16-channel ADC samples sequentially with a 1 MSPS aggregate rate; ensure analog source impedance is below 2.5 kohm to avoid ADC sample-capacitor settling errors. Add an external op-amp buffer (e.g., MCP6021) for high-impedance sensors like thermocouples or pH probes. For 4-20 mA current-loop inputs, use a 250 ohm precision sense resistor (0.1% tolerance) with Kelvin connection to the ADC pin. The ADC reference voltage (VREF+/VREF-) should be driven by an external 3.0V reference (e.g., MCP1525) for absolute measurement accuracy better than 1%.
Common pitfalls when designing with this MCU: (1) Forgetting to configure the JTAGEN bit in the FSEC register, which disables JTAG and locks out debug access; (2) Using the internal 7.5 MHz FRC oscillator for UART communications without enabling the PLL - baud rate error exceeds 2% causing framing errors; (3) Driving 5V signals directly to GPIO pins which are NOT 5V-tolerant - use a level translator like MCP1541 or DT3302; (4) Storing variables that exceed 32 KB into RAM without configuring the data EEPROM emulation library - causes silent data corruption in long-running applications.
Compliance Information
RoHS compliant and lead-free per Microchip product page. Not AEC-Q100 qualified - the PIC24HJ family is industrial-grade. For automotive applications requiring AEC-Q100, Microchip offers the dsPIC33FJ64GP206A AEC-Q100 qualified variants or dsPIC33CH/dsPIC33CK dual-core family.
