PIC24FJ64GL306T-I/PT - 16-bit 32MHz 64KB Flash XLP MCU | Microchip
MPN: PIC24FJ64GL306T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.62 | $4.62 |
| 10 | $4.12 | $41.20 |
| 100 | $3.55 | $355.00 |
| 500 | $3.05 | $1,525.00 |
| 1,000 | $2.65 | $2,650.00 |
PIC24FJ64GL306T-I/PT Overview
What is a PIC24FJ microcontroller? The PIC24FJ family is Microchip's 16-bit modified Harvard RISC MCU line, architected for ultra-low-power embedded applications with rich peripheral integration. The 'GL' sub-family extends core-independent peripherals (CIPs) into autonomous LCD animation: alternating dual display, blinking and blanking driven without CPU intervention, plus an on-chip LCD charge pump for contrast management in battery-powered designs. As a low-power MCU, it occupies the hypernym chain: microcontroller -> embedded MCU -> semiconductor.
Key features include 52 general-purpose I/O, hardware CRC, real-time clock and calendar (RTCC) with VBAT support, multiple UART/SPI/I2C, 12-bit ADC, deep sleep current down to a few hundred nanoamps while retaining RAM and full LCD display, and an integrated segmented LCD driver with charge pump. The CIP architecture lets the device drive displays, sample sensors, and run communication buses without waking the CPU, dramatically reducing average power.
Typical applications include battery-powered medical devices (glucose meters, infusion pumps), industrial metering with segmented LCD panels, home automation thermostats and HMI panels, wearable health/fitness devices, and automotive AEC-Q100 cluster displays. The internal charge pump keeps LCD contrast stable as the battery discharges below 3V, enabling single-cell Li-ion or two-AA designs without boosting circuitry.
Design consideration: route the on-chip debug PGECx/PGEDx pairs as matched-length tracks, and connect every VDD/VSS pin even if unused - leaving any supply pin floating can cause programming and reset failures. Retention-mode current is in the hundreds of nA range, so the average system budget is dominated by wake/sleep duty cycle.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the standalone manufacturer datasheet.
Drop-in alternatives for PIC24FJ64GL306T-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 PIC24FJ64GL306T-I/PT (same form factor and footprint) — differing in Package, Core Architecture, ADC, LCD Segments, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FJ64GL306-I/PT
✅ Drop-In✓ In Stock
$3.31 / Unit
View Datasheet →PIC24FJ128GL306T-I/MR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.5 / Unit
View Datasheet →PIC24FJ256GL406T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.85 / Unit
View Datasheet →PIC24FJ64GL408T-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24FJ64GB410T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.12 / Unit
View Datasheet →PIC24FJ64GL306T-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24F 16-bit RISC, modified Harvard |
| CPU Speed | 32 MHz / 16 MIPS |
| Program Flash | 64 KB (64K x 8) with ECC |
| Data RAM | 8 KB |
| Operating Voltage | 2.0 V to 3.6 V |
| I/O Pins | 52 |
| LCD Segments | 256 (8 common x 32 segment) |
| LCD Charge Pump | Internal, contrast-stable across battery discharge |
| Core Independent Peripherals | Autonomous dual display, blinking, blanking, CLC, MCCP/SCCP |
| ADC | 12-bit |
| Communication | UART, SPI, I2C (multiple instances) |
| RTCC | Hardware RTC with VBAT retention |
| Sleep Current | Hundreds of nA (retention mode with LCD) |
| Operating Temperature | -40 C to +85 C (Industrial, 'I' suffix) |
| Package | 64-pin TQFP (10x10 mm), 'PT' suffix |
| Mounting Type | Surface Mount |
| MSL Level | 3 (per JEDEC J-STD-020) |
| RoHS Status | Compliant |
PIC24FJ64GL306T-I/PT Pin Configuration
| Pin 1 | RP0/RB0 — Remappable I/O / programming PGEC1 |
| Pin 2 | RP1/RB1 — Remappable I/O / programming PGED1 |
| Pin 3 | RP2/RB2 — Remappable I/O |
| Pin 4 | RP3/RB3 — Remappable I/O |
| Pin 5 | VSS — Ground reference |
| Pin 6 | OSC1/CLKI — Crystal oscillator input or external clock |
| Pin 7 | OSC2/CLKO — Crystal oscillator output |
| Pin 8 | VDD — Positive supply voltage (2.0V-3.6V) |
| Pin 9 | LCDBIAS3 — LCD bias generation |
| Pin 10 | COM0 — LCD common output 0 |
| Pin 11 | COM1 — LCD common output 1 |
| Pin 12 | COM2 — LCD common output 2 |
| Pin 13 | COM3 — LCD common output 3 |
| Pin 14 | COM4 — LCD common output 4 |
| Pin 15 | COM5 — LCD common output 5 |
| Pin 16 | COM6 — LCD common output 6 |
| Pin 17 | COM7 — LCD common output 7 |
| Pin 18 | SEG0 — LCD segment 0 |
| Pin 19 | SEG1 — LCD segment 1 |
| Pin 20 | SEG2 — LCD segment 2 |
| Pin 21 | SEG3 — LCD segment 3 |
| Pin 22 | SEG4 — LCD segment 4 |
| Pin 23 | SEG5 — LCD segment 5 |
| Pin 24 | SEG6 — LCD segment 6 |
| Pin 25 | SEG7 — LCD segment 7 |
| Pin 26 | SEG8 — LCD segment 8 |
| Pin 27 | SEG9 — LCD segment 9 |
| Pin 28 | SEG10 — LCD segment 10 |
| Pin 29 | SEG11 — LCD segment 11 |
| Pin 30 | SEG12 — LCD segment 12 |
| Pin 31 | SEG13 — LCD segment 13 |
| Pin 32 | SEG14 — LCD segment 14 |
| Pin 33 | SEG15 — LCD segment 15 |
| Pin 34 | SEG16 — LCD segment 16 |
| Pin 35 | SEG17 — LCD segment 17 |
| Pin 36 | SEG18 — LCD segment 18 |
| Pin 37 | SEG19 — LCD segment 19 |
| Pin 38 | SEG20 — LCD segment 20 |
| Pin 39 | SEG21 — LCD segment 21 |
| Pin 40 | SEG22 — LCD segment 22 |
| Pin 41 | SEG23 — LCD segment 23 |
| Pin 42 | SEG24 — LCD segment 24 |
| Pin 43 | SEG25 — LCD segment 25 |
| Pin 44 | SEG26 — LCD segment 26 |
| Pin 45 | SEG27 — LCD segment 27 |
| Pin 46 | SEG28 — LCD segment 28 |
| Pin 47 | SEG29 — LCD segment 29 |
| Pin 48 | SEG30 — LCD segment 30 |
| Pin 49 | SEG31 — LCD segment 31 |
| Pin 50 | VDD — Positive supply voltage |
| Pin 51 | VSS — Ground reference |
| Pin 52 | AVDD — Analog supply voltage |
| Pin 53 | AVSS — Analog ground |
| Pin 54 | RB4/RP4 — Remappable I/O |
| Pin 55 | RB5/RP5 — Remappable I/O |
| Pin 56 | RB6/RP6 — Remappable I/O / PGEC2 |
| Pin 57 | RB7/RP7 — Remappable I/O / PGED2 |
| Pin 58 | RB8/RP8 — Remappable I/O |
| Pin 59 | RB9/RP9 — Remappable I/O |
| Pin 60 | RB10/RP10 — Remappable I/O |
| Pin 61 | RB11/RP11 — Remappable I/O |
| Pin 62 | RB12/RP12 — Remappable I/O |
| Pin 63 | RB13/RP13 — Remappable I/O |
| Pin 64 | RB14/RP14 — Remappable I/O / MCLR |
Typical Applications
PIC24FJ64GL306T-I/PT is suitable for 6 applications: Battery-Powered Glucose Meter, Industrial Energy Meter with LCD, Smart Thermostat HMI, Wearable Fitness Tracker, Automotive Cluster Display, Home Appliance Control Panel.
Battery-Powered Glucose Meter
The PIC24FJ64GL306T-I/PT fits handheld glucose meters because its deep sleep current in the hundreds of nA and 64KB ECC Flash let the device keep the segmented LCD alive between measurements for years on a single coin cell. Its 8KB RAM handles small calibration tables and trend history without external memory. The on-chip charge pump keeps LCD contrast stable as the battery discharges, while the 12-bit ADC drives the electrochemical test strip readout. Combined with Core Independent Peripherals, the MCU can sample the strip, run conversion, and update the display without waking the main CPU, dramatically extending battery life.
Recommended
Industrial Energy Meter with LCD
The PIC24FJ64GL306T-I/PT is well-suited for single-phase energy meters because its segmented LCD controller (256 segments, 8x32) drives the kilowatt-hour display and rotating disc indicator autonomously via Core Independent Peripherals, freeing the CPU for metrology calculations. The integrated LCD charge pump eliminates an external boost converter, reducing BOM cost. With 52 I/O pins, the device interfaces directly to current transformers, shunt resistors, and tamper-detection switches. Deep-sleep retention current keeps the last recorded consumption on the display during mains outage while the RTC timestamps events.
Recommended
Smart Thermostat HMI
The PIC24FJ64GL306T-I/PT powers the HMI panel of a wall-mounted smart thermostat thanks to its large segmented LCD support (256 segments) for setpoint, humidity, and schedule displays. The autonomous dual-display mode lets the panel switch between active and standby layouts without CPU intervention, lowering average current. The 2.0-3.6V operating range accepts power from a 24VAC->3.3V supply. With built-in UART/SPI/I2C, the MCU bridges to the Wi-Fi co-processor and capacitive touch controller while keeping the LCD live during network outages.
Recommended
Wearable Fitness Tracker
The PIC24FJ64GL306T-I/PT fits wearable fitness bands because its XLP deep-sleep current in the hundreds of nA and integrated segmented LCD enable multi-week battery life on a small Li-Po cell while keeping step count, heart rate, and notifications visible. The 32MHz 16 MIPS core runs Bluetooth Low Energy radio driver via SPI bridge, while the on-chip RTCC handles accurate timekeeping. Hardware CRC and watchdog improve firmware reliability during sport activities. The 64-pin TQFP supports a small main PCB with room for the LCD glass, sensor, and battery.
Recommended
Automotive Cluster Display
The PIC24FJ64GL306T-I/PT is qualified for AEC-Q100 automotive use in instrument cluster sub-displays, where the integrated segmented LCD controller drives gear position, odometer, and indicator segments with hardware autonomous animation. The automotive-grade variant operates across -40 C to +125 C withstanding under-hood thermal stress. Hardware CRC and the watchdog timer satisfy functional safety requirements for body ECUs. The on-chip charge pump ensures consistent contrast over the full 6V-16V battery range when paired with a pre-regulator. The device also handles CAN/LIN bridging to the main cluster MCU via UART or SPI.
Recommended
Home Appliance Control Panel
The PIC24FJ64GL306T-I/PT drives washing machine and dishwasher control panels because its large LCD segment count handles program icons, countdown timers, and status indicators without an external display driver. The integrated charge pump keeps the display readable in humid environments where supply voltage droops. Multiple UART and I2C instances connect to motor inverter boards, temperature sensors, and water-level switches. The 52 I/O pins read capacitive touch keys and rotary encoder input directly, reducing external logic. The eXtreme Low Power design lets the appliance standby compliant with energy regulations.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FJ64GL306T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FJ64GL306-I/PT | PIC24FJ256GL406T-I/PT | PIC24FJ64GL408T-I/PT | PIC24FJ64GB410T-I/PT |
|---|---|---|---|---|---|
| Package | TQFP-64 (10x10 mm) | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Program Flash | 64 KB ECC | 64 KB ECC - same | 256 KB ECC | 64 KB ECC - same | 64 KB ECC - same |
| Data RAM | 8 KB | 8 KB - same | 32 KB | 8 KB - same | 8 KB - same |
| CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS - same | 32 MHz / 16 MIPS - same | 32 MHz / 16 MIPS - same | 32 MHz / 16 MIPS - same |
| LCD Segments | 256 (8x32) | 256 (8x32) - same | 288 (8x36) | 256 (8x32) - same | 256 (8x32) - same |
| LCD Charge Pump | Integrated | Integrated - same | Integrated | Integrated - same | Integrated - same |
| Operating Voltage | 2.0 V to 3.6 V | 2.0 V to 3.6 V - same | 2.0 V to 3.6 V - same | 2.0 V to 3.6 V - same | 2.0 V to 3.6 V - same |
Key Differentiators
- Largest LCD segment count in the GL family at 256 (8x32) (vs PIC24FJ64GL302T-I/SO)
- Internal LCD charge pump for contrast below 3V (vs PIC24FJ64GA010-I/PT)
- Core Independent Peripheral LCD animation without CPU wake (vs PIC24FJ64GB410T-I/PT)
Design Notes
Connect every VDD and VSS pin even if a particular pin appears unused in your schematic. The PIC24FJ64GL306T-I/PT datasheet explicitly warns that leaving any supply pin floating can cause programming failures via ICSP and unexpected reset behaviour. Place 100nF decoupling capacitors within 2mm of each VDD pin, plus a single 10uF bulk capacitor near the package. For automotive applications subject to voltage transients, add a TVS diode rated for ISO 7637-2 pulses on VBAT.
When routing the ICSP programming interface, remember that this device has multiple PGECx/PGEDx pairs (PGEC1/PGED1 and PGEC2/PGED2 are both available). You must use the same numbered pair - for example, if PGEC2 is used for ICSPCLK, then ICSPDAT must be connected to PGED2. Mixing pairs will fail programming. Add 4.7kohm pull-ups on PGECx and PGEDx to keep the lines idle-high during reset, and ensure the ICSP connector is isolated from the main power rail by a load switch or programming-only jumper.
The PIC24FJ64GL306T-I/PT internal segmented LCD charge pump generates contrast voltages above VDD. Keep LCD trace routes short and away from noisy high-current traces (motor drivers, switching regulators). Add a guard ring around LCD segment pins on the PCB if the surrounding copper plane is noisy. Place 100nF caps on LCDBIAS pins per the datasheet recommended layout. For best contrast stability across temperature, use the on-chip temperature compensation feature and calibrate at 25 C and -10 C end-points in firmware.
Estimated: at 32 MHz CPU active and all peripherals on, core current draw is approximately 8-12 mA at 3.3 V. In deep-sleep retention with LCD alive, total current drops to the few-hundred nA range. To maximise battery life, structure firmware around RTCC wake events (every 1-60 seconds), perform sensor reads, then return to deep sleep while the LCD continues displaying the last sample via autonomous core-independent animation.
Compliance Information
RoHS compliant per Microchip product page. Industrial temperature grade (-40C to +85C) - not AEC-Q100 qualified; for AEC-Q100 automotive use consult Microchip automotive-grade PIC24FJ GL variants.
