PIC24HJ64GP506T-I/PT - 16-bit 40MIPS MCU 64KB Flash 64-TQFP | Microchip
MPN: PIC24HJ64GP506T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.31 | $7.31 |
| 10 | $6.58 | $65.80 |
| 100 | $5.85 | $585.00 |
| 500 | $5.2 | $2,600.00 |
| 1,000 | $4.65 | $4,650.00 |
PIC24HJ64GP506T-I/PT Overview
A microcontroller (MCU) is a single-chip computer containing a processor core, program and data memory, peripherals, and I/O. The PIC24H family sits in Microchip's 16-bit dsPIC-compatible tier, offering seamless migration paths to/from PIC24F, dsPIC30F, and dsPIC33F devices. In the broader taxonomy, PIC24HJ64GP506 belongs to the PIC24H 16-bit MCU family, which itself is a subclass of microcontroller -> embedded processor -> semiconductor. This hierarchy ensures that the device integrates cleanly with existing PIC ecosystem toolchains (MPLAB X IDE, XC16 compiler) and evaluation platforms.
Key features of the PIC24HJ64GP506T-I/PT include 64KB (22K x 24) Flash, 8KB SRAM, two UART/SPI/I2C peripherals, a 16-channel 10-bit ADC with 500 ksps conversion rate, five 16-bit timers, and 53 general-purpose I/O pins. The industrial-temperature grade (-40C to +85C) and the 64-pin TQFP package make it suited for harsh-environment embedded designs requiring visible status LEDs or system expandability. An integrated 8 MHz internal oscillator and flexible clock-switching circuitry further simplify BOM cost.
The PIC24H CPU core uses a modified Harvard architecture with a 16-bit datapath and 24-bit instruction word, supporting C-compiled firmware with deterministic interrupt latency. The device's peripheral set maps cleanly to motor control, industrial sensing, and human-machine interface (HMI) boards, while its 3.3V core voltage aligns with modern low-power logic. Per the datasheet 70175H, all PIC24HJ64GPX06/64/128/256 variants are pin-compatible within the 64-pin TQFP footprint, supporting drop-in migration to higher-memory or lower-cost SKUs as production needs evolve.
Typical uses cover industrial motor control (BLDC/PMSM), sensor data acquisition nodes, HMI displays with LCD or keypad, USB-aware embedded peripherals, and automotive accessory controllers. The device's 53 I/O pins and 16 ADC channels support front-panel button arrays, rotary encoders, and multi-loop analog sensing. The "T" suffix indicates tape-and-reel packaging for high-volume SMT assembly, while the "I/PT" suffix indicates industrial temperature grade and 64-pin TQFP package.
When designing with this MCU, ensure that the 3.3V regulator can source the worst-case active current (approximately 60 mA at full MIPS) and that decoupling capacitors are placed within 5 mm of each VDD/VSS pair. For new designs, consider the PIC24HJ128GP506 as a memory-scalable drop-in upgrade, or the PIC24FJ64GA006 if lower power is required.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, including cross-brand comparisons and pin-compatibility guidance.
Drop-in alternatives for PIC24HJ64GP506T-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 PIC24HJ64GP506T-I/PT (same form factor and footprint) — differing in Package, ADC, Operating Temperature, Mounting Type, Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24HJ64GP506-I/PT
✅ Drop-In✓ In Stock
$6.16 / Unit
View Datasheet →PIC24HJ128GP506T-I/PT
✅ Drop-In✓ In Stock
$4.38 / Unit
View Datasheet →PIC24HJ64GP506AT-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24HJ64GP506A-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24HJ64GP506A-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24HJ128GP506AT-I/PT
✅ Drop-In✓ In Stock
$4.8 / Unit
View Datasheet →PIC24HJ64GP510-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ64GP306-I/PT
✅ Drop-In✓ In Stock
$4.05 / Unit
View Datasheet →PIC24HJ64GP506T-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24H (16-bit modified Harvard) |
| Maximum CPU Speed | 40 MIPS (at 3.0V-3.6V) |
| Program Memory | 64 KB Flash (22K x 24) |
| Data Memory (SRAM) | 8 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| I/O Pins | 53 |
| ADC | 10-bit, 16 channels, 500 ksps |
| Timers | 5 x 16-bit |
| UART | 2 |
| SPI | 2 |
| I2C | 1 |
| Package | 64-pin TQFP (10x10 mm) |
| Operating Temperature | -40C to +85C (industrial) |
| Mounting Type | Surface Mount (Tape & Reel) |
| RoHS Status | Compliant |
PIC24HJ64GP506T-I/PT Pin Configuration
| Pin 1 | RP15/CN15/RB15 — Remappable I/O / Change notification |
| Pin 2 | RP14/CN14/RB14 — Remappable I/O / Change notification |
| Pin 3 | RP13/CN13/RB13 — Remappable I/O / Change notification |
| Pin 4 | RP12/CN12/RB12 — Remappable I/O / Change notification |
| Pin 5 | RP11/CN11/RB11 — Remappable I/O / Change notification |
| Pin 6 | RP10/CN10/RB10 — Remappable I/O / Change notification |
| Pin 7 | RP9/CN9/RB9 — Remappable I/O / Change notification |
| Pin 8 | RP8/CN8/RB8 — Remappable I/O / Change notification |
| Pin 9 | RP7/CN7/RB7 — Remappable I/O / Change notification |
| Pin 10 | RP6/CN6/RB6 — Remappable I/O / Change notification |
| Pin 11 | RP5/CN5/RB5 — Remappable I/O / Change notification |
| Pin 12 | RP4/CN4/RB4 — Remappable I/O / Change notification |
| Pin 13 | RP3/CN3/RB3 — Remappable I/O / Change notification |
| Pin 14 | RP2/CN2/RB2 — Remappable I/O / Change notification |
| Pin 15 | RP1/CN1/RB1 — Remappable I/O / Change notification |
| Pin 16 | RP0/CN0/RB0 — Remappable I/O / Change notification |
| Pin 17 | VDD — Positive supply voltage (3.3V) |
| Pin 18 | VSS — Ground reference |
| Pin 19 | OSC1/RC12 — Crystal oscillator input / GPIO |
| Pin 20 | OSC2/RC15 — Crystal oscillator output / GPIO |
| Pin 21 | FLTA/RA0 — PWM fault input / GPIO |
| Pin 22 | RA1 — GPIO |
| Pin 23 | RA2 — GPIO |
| Pin 24 | RA3 — GPIO |
| Pin 25 | RA4 — GPIO |
| Pin 26 | RA5 — GPIO |
| Pin 27 | RA6 — GPIO |
| Pin 28 | RA7 — GPIO |
| Pin 29 | RA8 — GPIO |
| Pin 30 | RA9 — GPIO |
| Pin 31 | RA10 — GPIO |
| Pin 32 | RA11 — GPIO |
| Pin 33 | RA12 — GPIO |
| Pin 34 | RA13 — GPIO |
| Pin 35 | RA14 — GPIO |
| Pin 36 | RA15 — GPIO |
| Pin 37 | VDD — Positive supply voltage (3.3V) |
| Pin 38 | VSS — Ground reference |
| Pin 39 | RC0 — GPIO |
| Pin 40 | RC1 — GPIO |
| Pin 41 | RC2 — GPIO |
| Pin 42 | RC3 — GPIO |
| Pin 43 | RC4 — GPIO |
| Pin 44 | RC5 — GPIO |
| Pin 45 | RC6 — GPIO |
| Pin 46 | RC7 — GPIO |
| Pin 47 | RC8 — GPIO |
| Pin 48 | RC9 — GPIO |
| Pin 49 | RC10 — GPIO |
| Pin 50 | RC11 — GPIO |
| Pin 51 | RC13 — GPIO |
| Pin 52 | RC14 — GPIO |
| Pin 53 | RD0 — GPIO |
| Pin 54 | RD1 — GPIO |
| Pin 55 | RD2 — GPIO |
| Pin 56 | RD3 — GPIO |
| Pin 57 | RD4 — GPIO |
| Pin 58 | RD5 — GPIO |
| Pin 59 | RD6 — GPIO |
| Pin 60 | RD7 — GPIO |
| Pin 61 | RD8 — GPIO |
| Pin 62 | RD9 — GPIO |
| Pin 63 | RD10 — GPIO |
| Pin 64 | RD11 — GPIO |
Typical Applications
PIC24HJ64GP506T-I/PT is suitable for 7 applications: BLDC / PMSM Motor Control, Industrial Sensor Data Acquisition, Human-Machine Interface (HMI) Controllers, USB-to-UART Bridge Peripherals, Automotive Accessory Modules, Battery-Powered IoT Edge Nodes, Power Supply Monitoring & Control.
BLDC / PMSM Motor Control
The PIC24HJ64GP506T-I/PT's 40 MIPS DSP-capable core executes 50-microsecond FOC control loops with sub-microsecond ADC sampling for sensorless and sensored BLDC motor control. Its 16-channel 10-bit ADC at 500 ksps samples three-phase back-EMF and DC-bus current simultaneously, while 5 16-bit timers generate complementary PWM with programmable dead-time insertion up to 50 kHz switching frequency. The 53 digital I/O support quadrature encoder interfaces, Hall sensors, and brake-control signals, making the device suitable for appliance motors, HVAC fans, and small industrial drives running from 3.3V regulated rails.
Recommended
Industrial Sensor Data Acquisition
Deploy the PIC24HJ64GP506T-I/PT as a multi-channel sensor hub aggregating analog signals from thermocouples, RTDs, pressure transducers, and 4-20 mA loop-powered sensors via its 16-channel 10-bit ADC. The 40 MIPS throughput runs linearization algorithms, digital filtering, and Modbus RTU master communication over one of the two UART peripherals. 53 digital I/O handle limit-switch inputs, relay outputs, and status LEDs, while the 8 KB SRAM buffers measurement logs before periodic uplink. The -40C to +85C industrial temperature grade supports factory-floor and outdoor cabinet installations.
Recommended
Human-Machine Interface (HMI) Controllers
Use the PIC24HJ64GP506T-I/PT to drive character LCDs, 7-segment displays, and matrix keypads in industrial control panels and appliance front panels. The 53 I/O easily handle 4x4 key matrices (8 pins) plus 8-digit 7-segment multiplexed displays (16 pins), with the remaining pins reserved for serial communication and status LEDs. SPI peripherals support external graphics LCDs or LED-driver ICs, while I2C connects to capacitive-touch controllers and EEPROM memory. The 40 MIPS headroom runs anti-ghosting logic and backlight control PWM simultaneously without CPU stalls.
Recommended
USB-to-UART Bridge Peripherals
Although the PIC24HJ64GP506T-I/PT lacks native USB, it pairs with the MCP2200 or MCP2210 USB bridge ICs to implement USB CDC class devices with up to 12 Mbps Full-Speed throughput. The MCU's two UART peripherals support concurrent USB-to-UART plus RS-485 half-duplex bridging, while the 53 I/O handle status LEDs, GPIO control, and configuration switches. Industrial firmware update is straightforward via bootloader over USB-to-UART using the ICSP pins. The 64 KB Flash accommodates multi-protocol bridging firmware with command parsers and configuration persistence.
Recommended
Automotive Accessory Modules
The PIC24HJ64GP506T-I/PT's industrial temperature range (-40C to +85C) and 53 I/O are well-suited for non-safety automotive accessories: interior lighting controllers, seat-position memory modules, headlight leveling, and aftermarket gauge clusters. Its CAN-ready timers and UARTs interface to vehicle body-bus networks via external MCP2515 or MCP2551 CAN controllers. The 40 MIPS handles LIN slave protocols with bit-banging or via UART auto-baud detection. For AEC-Q100 qualified parts, upgrade to PIC24HJ64GP506A-E/PT (extended temperature variant) which adds +125C operation.
Recommended
Battery-Powered IoT Edge Nodes
While not the lowest-power PIC24F variant, the PIC24HJ64GP506T-I/PT still supports sleep, idle, and doze modes with sub-50 microampere currents, sufficient for mains-recharged or lithium-battery-powered IoT edge nodes. Its 64 KB Flash hosts MQTT-SN or CoAP client stacks, and its 8 KB SRAM buffers sensor data between network transmissions. The two UART peripherals support concurrent GPS+NEMA parsing and cellular modem AT-command control, while I2C connects to environmental sensors (temperature, humidity, accelerometer). The 40 MIPS runs edge-compression algorithms before cellular uplink.
Recommended
Power Supply Monitoring & Control
Deploy the PIC24HJ64GP506T-I/PT as a digital supervisor for telecom or industrial DC-DC converters, AC-DC front-end power supplies, and battery management systems. Its 16-channel 10-bit ADC monitors output voltage, output current, and temperature simultaneously via dedicated amplifier outputs, while the 40 MIPS implements digital compensators for adaptive voltage positioning or constant-on-time modulation. The PWM-driven 5 timers drive synchronous rectifier MOSFETs via gate-driver transformers, and the UART peripheral links to a host controller for telemetry reporting.
Recommended
Recommended Products Summary
Engineering reference data for PIC24HJ64GP506T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24HJ64GP506-I/PT | PIC24HJ128GP506T-I/PT | PIC24HJ64GP506AT-I/PT | PIC24HJ64GP506A-I/PT | PIC24HJ64GP506A-E/PT | dsPIC33FJ64GP306-I/PT |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | 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 TQFP (10x10 mm) - same | 64-pin TQFP (10x10 mm) - same | 64-pin TQFP (10x10 mm) - same | 64-pin TQFP (10x10 mm) - same |
| Program Memory (Flash) | 64 KB | 64 KB | 128 KB (+100%) | 64 KB | 64 KB | 64 KB | 64 KB |
| Maximum CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Data SRAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 16 KB (+100%) |
| I/O Pins | 53 | 53 | 53 | 53 | 53 | 53 | 53 |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C (extended) | -40C to +85C |
| DSP Engine | MAC, ED, EDAC instructions | MAC, ED, EDAC instructions | MAC, ED, EDAC instructions | MAC, ED, EDAC instructions | MAC, ED, EDAC instructions | MAC, ED, EDAC instructions | Full DSP engine (dsPIC33) |
| Silicon Revision | Original | Original | Original | Revision A | Revision A | Revision A | dsPIC33 family |
Key Differentiators
- Highest memory density in pin-compatible PIC24H 64-TQFP family (vs PIC24HJ32GP304-I/PT)
- DSP instructions included for motor control and signal processing (vs PIC24FJ64GA006-I/PT)
- Seamless migration path to dsPIC33F for advanced DSP workloads (vs PIC24HJ64GP506A-E/PT (extended temp variant))
- More GPIO than smaller TQFP-44 PIC24HJ64GP204 variants (vs PIC24HJ64GP204-I/PT)
Design Notes
Estimated: At 40 MIPS full-speed operation with VDD=3.3V, the PIC24HJ64GP506T-I/PT draws approximately 60 mA typical. Place a 10 uF bulk tantalum capacitor plus a 0.1 uF ceramic decoupling capacitor within 5 mm of each VDD/VSS pair (pin 17/18 and pin 37/38). For USB or wireless companion ICs drawing >100 mA peaks, add a 22 uF bulk capacitor on the 3.3V rail to absorb load transients and prevent MCU brown-out resets.
Route the ICSP programming pins (PGEC1/PGED1 on RP0/RP1, or PGEC2/PGED2 on RP2/RP3) directly to a 6-pin header or test pad for in-circuit programming and debugging. Keep programming traces short (<50 mm) and avoid routing noisy PWM or switching signals across them. The 64-pin TQFP land pattern is identical across all PIC24HJ64GPX06/X08/X10 family members per datasheet 70175H, allowing the same PCB to accept any drop-in upgrade without rework.
Do not assume all PIC24H devices ship with silicon revision A; the original PIC24HJ64GP506 (without the A suffix) has known errata documented in the device silicon errata file. For new designs, prefer revision A parts (PIC24HJ64GP506A-xxx) or PIC24HJ128GP506A-xxx to avoid the original-silicon bugs. Also note the 'T' suffix denotes tape-and-reel packaging while non-T parts ship in trays; both are electrically identical. Last, the 'I' temperature grade is -40C to +85C, NOT +125C; choose the 'E' extended grade for automotive under-hood.
Estimated: Place the 16 MHz or 32 MHz crystal within 10 mm of the OSC1/OSC2 pins (pin 19/20), with short traces and a ground guard ring to minimize EMI susceptibility. Add 22 pF loading capacitors from each crystal pin to ground, tuned to the crystal's load capacitance specification. For high-noise motor-control boards, route sensitive analog signals (AN0-AN15 ADC inputs) away from PWM outputs, and use a separate analog ground island joined to digital ground at a single point near the MCU's VSS pins.
Compliance Information
RoHS and lead-free compliant per Microchip product page. AEC-Q100 not qualified; for automotive use, evaluate PIC24HJ64GP506A-E/PT (extended temperature) or dsPIC33FJ64GP306-I/PT. Note that the 'I' temperature grade is -40C to +85C industrial; the 'E' grade is -40C to +125C extended.
