PIC24FJ64GL303-I/M5 - 16-bit XLP MCU 64KB Flash LCD | Microchip
MPN: PIC24FJ64GL303-I/M5 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.62 | $1.62 |
| 10 | $1.46 | $14.60 |
| 100 | $1.31 | $131.00 |
| 500 | $1.18 | $590.00 |
| 1,000 | $1.09 | $1,090.00 |
PIC24FJ64GL303-I/M5 Overview
A 16-bit microcontroller (MCU) is a single-chip processor with an internal data path and ALU width of 16 bits, sitting in the broader category of microcontrollers -> embedded microprocessors -> microcomputer ICs -> semiconductor ICs. The PIC24F family is a low-power modified-Harvard 16-bit architecture from Microchip, designed to deliver higher deterministic performance than 8-bit parts while keeping power consumption low. The GL sub-series extends this with an LCD charge pump for battery-driven contrast management and CIPs that run autonomously without waking the CPU.
Key features of the PIC24FJ64GL303-I/M5 include sleep current in the order of a few hundred nanoamps with full RAM and LCD retention, integrated LCD charge pump, segmented LCD controller supporting up to 256 segments, 8 KB SRAM, 64 KB ECC Flash program memory, multiple serial interfaces (UART, SPI, I2C) and on-chip peripherals that qualify it as an XLP device. The CIP block runs animations, timers, communications and ADC scans while the core stays asleep, which is the single biggest contributor to its average energy budget in real designs.
Typical applications include battery-powered medical devices (glucose meters, portable diagnostics), e-metering and smart utility endpoints, wearables, IoT sensor nodes with on-device LCD readouts, and human-machine interface panels. The wide LCD segment budget (256) and the charge pump specifically target segment LCDs that must stay readable down to coin-cell voltages without an external boost converter.
When designing with this part, choose decoupling capacitor values that match the LCD bias network recommended in the datasheet and ensure that the VBAT / charge pump pins have the layout clearances indicated in the package drawing. Pin assignments for analog, segment and I/O functions overlap, so the pin multiplexer configuration must be locked before the PCB layout is committed.
This page synthesizes Microchip product information, distributor pricing snapshots and drop-in alternatives not aggregated on a single manufacturer page, giving procurement and design engineers a one-stop reference for the PIC24FJ64GL303-I/M5.
Drop-in alternatives for PIC24FJ64GL303-I/M5 — 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 PIC24FJ64GL303-I/M5 (same form factor and footprint) — differing in Operating Temperature, Package, I/O Pins, ADC, Core Independent Peripherals (CIPs).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FJ128GL303-I/M5
✅ Drop-In✓ In Stock
$2.45 / Unit
View Datasheet →PIC24FJ64GL303-E/M5
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24FJ32GU203T-I/M5
✅ Drop-In✓ In Stock
$1.68 / Unit
View Datasheet →PIC24FJ32GP203T-I/M5
✅ Drop-In✓ In Stock
$1.62 / Unit
View Datasheet →PIC24FJ64GL303-I/M5 Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24F 16-bit modified-Harvard |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Flash | 64 KB (64K x 8) ECC Flash |
| RAM | 8 KB SRAM |
| Operating Voltage Range | 1.8 V to 3.6 V (typical XLP range) |
| Package | 36-pin UQFN (5x5 mm) |
| Mounting Type | Surface Mount |
| LCD Controller | Integrated segmented LCD, up to 256 segments (8 commons x 32 segments) |
| LCD Charge Pump | Integrated, for contrast in battery-powered designs |
| Core Independent Peripherals (CIPs) | Yes - autonomous animation, timers, comms, ADC scan |
| Communication Interfaces | UART, SPI, I2C |
| Operating Temperature | -40C to +85C (Industrial, -I suffix) |
| Sleep Current | Few hundred nA with RAM and LCD retention |
| RoHS Status | Compliant |
PIC24FJ64GL303-I/M5 Pin Configuration
| Pin 1 | VDD — Positive supply voltage |
| Pin 2 | RA0 — Port A bit 0 / analog input / segment |
| Pin 3 | RA1 — Port A bit 1 / analog input / segment |
| Pin 4 | RA2 — Port A bit 2 / analog input / segment |
| Pin 5 | RA3 — Port A bit 3 / analog input / segment |
| Pin 6 | RA4 — Port A bit 4 / segment |
| Pin 7 | RA5 — Port A bit 5 / segment |
| Pin 8 | RA6 — Port A bit 6 / segment |
| Pin 9 | RA7 — Port A bit 7 / segment |
| Pin 10 | RB0 — Port B bit 0 / segment / PGEC1 |
| Pin 11 | RB1 — Port B bit 1 / segment / PGED1 |
| Pin 12 | RB2 — Port B bit 2 / segment |
| Pin 13 | RB3 — Port B bit 3 / segment |
| Pin 14 | RB4 — Port B bit 4 / segment / SDA1 |
| Pin 15 | RB5 — Port B bit 5 / segment / SCL1 |
| Pin 16 | RB6 — Port B bit 6 / segment |
| Pin 17 | RB7 — Port B bit 7 / segment |
| Pin 18 | RC0 — Port C bit 0 / segment |
| Pin 19 | RC1 — Port C bit 1 / segment |
| Pin 20 | RC2 — Port C bit 2 / segment |
| Pin 21 | RC3 — Port C bit 3 / segment |
| Pin 22 | RC4 — Port C bit 4 / segment |
| Pin 23 | RC5 — Port C bit 5 / segment |
| Pin 24 | RC6 — Port C bit 6 / segment |
| Pin 25 | RC7 — Port C bit 7 / segment |
| Pin 26 | RD0 — Port D bit 0 / segment |
| Pin 27 | RD1 — Port D bit 1 / segment |
| Pin 28 | RD2 — Port D bit 2 / segment |
| Pin 29 | RD3 — Port D bit 3 / segment |
| Pin 30 | RD4 — Port D bit 4 / segment |
| Pin 31 | RD5 — Port D bit 5 / segment |
| Pin 32 | RD6 — Port D bit 6 / segment |
| Pin 33 | RD7 — Port D bit 7 / segment |
| Pin 34 | VSS — Ground reference |
| Pin 35 | VLCD — LCD charge pump output / bias |
| Pin 36 | EP — Exposed thermal pad (connect to VSS) |
Typical Applications
PIC24FJ64GL303-I/M5 is suitable for 6 applications: Battery-Powered Medical Devices (Glucose / Portable Diagnostics), Smart Utility Meters (Water / Gas / Heat / e-Metering), Wearable Health and Fitness Trackers, Industrial Sensor Nodes with LCD Readout, IoT Edge Devices with On-Device LCD, Home Appliance HMI Panels.
Battery-Powered Medical Devices (Glucose / Portable Diagnostics)
The PIC24FJ64GL303-I/M5 fits battery-powered medical devices because its few-hundred-nA sleep current with full RAM and LCD retention allows years of operation from a single coin cell. The integrated segmented LCD controller (up to 256 segments) and on-chip charge pump drive numeric readouts without external boost components, while Core Independent Peripherals (CIPs) handle sensor scans autonomously. With 64 KB ECC Flash and 8 KB SRAM, the part runs the small UI loop and diagnostic state machine while the LCD charge pump keeps the contrast readable as VDD drops.
Recommended
Smart Utility Meters (Water / Gas / Heat / e-Metering)
For smart utility meters, the PIC24FJ64GL303-I/M5 provides the segmented LCD display drive, the charge pump for low-voltage LCD contrast, and the XLP sleep current profile required for 10+ year battery life on sealed endpoints. The 16 MIPS PIC24F core processes metering pulses and CIPs run tamper detection and communications timers without intervention. ECC Flash improves long-term data retention in harsh utility environments, and the 36-pin UQFN package keeps the meter head compact.
Recommended
Wearable Health and Fitness Trackers
The PIC24FJ64GL303-I/M5 is a strong fit for wearable health and fitness trackers where the design needs a visible LCD readout (step count, heart rate) but the battery must last weeks. The integrated LCD controller and charge pump remove the need for an external display bias IC, while the XLP sleep mode keeps average current below what 8-bit MCUs achieve. CIPs let the accelerometer and heart-rate sensor interrupt-gather data while the core sleeps, and the 36-pin UQFN 5x5 mm footprint suits small wearable PCBs.
Recommended
Industrial Sensor Nodes with LCD Readout
For industrial sensor nodes that must show a numeric or segmented status display, the PIC24FJ64GL303-I/M5 integrates the segmented LCD, the contrast charge pump and the industrial -40C to +85C temperature grade in a single chip. CIPs handle UART/SPI/I2C comms and ADC scans autonomously, reducing wake events. The 64 KB ECC Flash stores sensor calibration tables, and the small 36-pin UQFN footprint fits inside compact sensor heads.
Recommended
IoT Edge Devices with On-Device LCD
The PIC24FJ64GL303-I/M5 suits IoT edge devices that need to display sensor readings locally without a wireless connection. The integrated LCD controller and charge pump drive the display directly from the coin cell, while the XLP architecture lets the device idle at nanoamp-level current between measurements. With 8 KB RAM, the part can buffer samples, and CIPs run the sampling loop autonomously. The /M5 UQFN package keeps the design compact for space-constrained IoT nodes.
Recommended
Home Appliance HMI Panels
For home appliance human-machine interface (HMI) panels such as ovens, washing machines and thermostats, the PIC24FJ64GL303-I/M5 drives the segmented LCD directly while handling keypad scanning and rotary encoder inputs through CIPs without CPU wake. The integrated charge pump maintains display contrast across the 1.8-3.6 V supply range as batteries age, and the industrial temperature grade ensures operation behind a warm appliance fascia. The 36-pin UQFN 5x5 mm footprint suits compact front-panel PCBs.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FJ64GL303-I/M5 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FJ128GL303-I/M5 | PIC24FJ64GL303-E/M5 | PIC24FJ32GU203T-I/M5 | PIC24FJ32GP203T-I/M5 |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 36-pin UQFN (5x5) /M5 | 36-pin UQFN (5x5) /M5 - same | 36-pin UQFN (5x5) /M5 - same | 36-pin UQFN (5x5) /M5 - same | 36-pin UQFN (5x5) /M5 - same |
| Program Flash | 64 KB ECC Flash | 128 KB ECC Flash | 64 KB ECC Flash | 32 KB Flash | 32 KB Flash |
| Integrated Segmented LCD | Yes (up to 256 segments + charge pump) | Yes (up to 256 segments + charge pump) | Yes (up to 256 segments + charge pump) | Yes (GU family LCD, smaller segment budget) | GP family - reduced LCD or none |
| Sleep Current (typ) | Few hundred nA | Few hundred nA | Few hundred nA | XLP, low nA range | XLP, low nA range |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
Key Differentiators
- Highest-density 256-segment LCD controller in a 36-pin UQFN (vs PIC24FJ32GP203T-I/M5)
- Drop-in /M5 package upgrade to 128 KB Flash (vs PIC24FJ128GL303-I/M5)
- Industrial temperature grade at standard /M5 ordering code (vs PIC24FJ64GL303-E/M5)
- Core Independent Peripherals (CIPs) reduce CPU wake events (vs PIC24FJ64GA002-I/SP)
Design Notes
Estimated: at VDD = 3.0 V, CPU idle, LCD charge pump on and full 256-segment drive enabled, average current is dominated by the LCD charge pump and the segmented display refresh. Decouple VDD with a 100 nF ceramic close to the pin and place a bulk 4.7 uF near the package. The datasheet specifies decoupling placement and capacitor values; do not substitute polarized caps on the VLCD bias rail - use ceramics as recommended.
The 36-pin UQFN 5x5 mm package has an exposed thermal pad that must be soldered to the ground plane for both thermal dissipation and electrical reference. Route segment and common signals with short, parallel traces to the LCD glass and keep digital switching lines away from the analog segment traces. Observe the Microchip package drawing clearance under the EP - vias in pad are recommended to keep the thermal path low-impedance.
Do not enable CIPs that share pins with the segment LCD without first locking the PPS / pin multiplexer - overlapping functions cause silent drive loss on the LCD. Always configure the LCD bias network (resistor ladder vs charge pump) before firmware start-up, and verify that the VLCD pin capacitor matches the datasheet value to avoid contrast drift across temperature. Avoid operating the core above 32 MHz / 16 MIPS without confirming VDD is in the high-VDD range; refer to the electrical characteristics table for the safe VDD vs speed boundary.
When using I2C / SPI on the same ports as segment pins, ensure that the digital output slew rate and drive strength are configured to avoid LCD waveform distortion. The CIP-based comms peripherals can run without waking the core, but the segment pin drive must remain active during comms - test with a worst-case pattern of segment updates interleaved with I2C transactions to confirm there is no flicker or contrast shift on the display.
Compliance Information
RoHS and lead-free confirmed per Microchip product page and distributor listings (DigiKey, Mouser). AEC-Q100 not applicable - this part is general-purpose industrial, not automotive-qualified. Halogen-free status not explicitly stated in the provided data and marked unknown.