PIC24FJ128GL306-E/PT - 16-bit XLP MCU 128KB Flash LCD 64-TQFP
MPN: PIC24FJ128GL306-E/PT ✓ Hoạt độngPIC24FJ128GL306-E/PT Tóm tắt
An XLP microcontroller is a class of ultra-low-power MCU designed to operate for years on a single battery by combining multiple low-power modes (Sleep, Deep Sleep, Retention), nano-amp quiescent currents, and autonomous peripherals that keep functioning while the CPU is off. The PIC24FJ128GL306 belongs to the PIC24F family within Microchip's broader 16-bit microcontroller portfolio, which sits hierarchically above 8-bit PIC MCUs and below 32-bit ARM Cortex-M parts in terms of computational performance and code density. The 'GL' suffix denotes the addition of Core Independent Animation features that let the segmented LCD run blinking, alternating, and blanking patterns without any CPU intervention, which is critical for always-on user displays.
Key features include 128 KB ECC Flash, 8 KB RAM, 4 KB EEPROM emulation, an integrated segmented LCD driver with on-chip charge pump, a 32 MHz internal oscillator (16 MIPS CPU throughput), multiple serial interfaces (UART, SPI, I2C), a 12-bit ADC, multiple timers, and the standard PIC24F CIP set including Configurable Logic Cells and numerically controlled oscillators. The hardware charge pump generates the LCD bias voltages internally, eliminating the external resistor ladder and enabling stable contrast even as the battery voltage drops below the Vlcd threshold. Extended temperature support makes it suitable for outdoor, industrial, and automotive interior applications.
Architecturally, the device uses a 16-bit modified Harvard core with separate instruction and data paths, hardware multiplier, and zero-overhead loop control. The CIPs (CLC, MCCP, UART with IrDA, timers, and PWM) operate independently of the core, allowing complex waveform generation, signal conditioning, and communication events to occur while the CPU remains asleep. The combination of hardware encryption, true RNG, and secure boot options provides a foundation for connected low-power nodes.
Typical applications include battery-powered medical devices such as glucose meters and infusion pumps, IoT sensor nodes with on-board segmented LCD displays, HVAC thermostat controllers, industrial metering (gas, water, electricity) with multi-segment displays, e-bike and appliance user interfaces, and portable consumer products requiring years of battery life. The extended -40C to +125C temperature range also makes it attractive for outdoor signage and asset tracking tags.
When designing with this MCU, choose decoupling capacitors and follow Microchip's recommended PCB layout for the LCD charge pump; improper layout can introduce display flicker. The internal 32 MHz oscillator is sufficient for most 16 MIPS tasks, and the dedicated RTCC pin allows sub-microamp real-time clock operation across all low-power modes.
This page synthesizes distributor pricing, drop-in same-package alternatives drawn from the same PIC24FJ family, and practical design notes that complement the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho PIC24FJ128GL306-E/PT — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC24FJ128GL306-E/PT (cùng hình factor và footprint) — khác nhau ở Package, Program Flash, RoHS Status, ADC, Core Architecture.
PIC24FJ128GL306-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ128GL306-H/PT
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ128GA306-E/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ128GA310-I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC24FJ128GB406-I/MR
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC24FJ128GL306-E/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC24F 16-bit modified Harvard |
| Maximum CPU Speed | 16 MIPS at 32 MHz |
| Program Flash | 128 KB with ECC |
| Data RAM | 8 KB |
| EEPROM (emulated) | 4 KB |
| LCD Segments | Up to 256 (8 commons x 32 segments) |
| LCD Charge Pump | Integrated, internal contrast bias |
| Serial Interfaces | UART, SPI, I2C |
| Core Independent Peripherals (CIPs) | CLC, MCCP, NCO, Configurable Logic |
| Sleep Current | Down to a few hundred nA (XLP) |
| Khoảng nhiệt độ hoạt động | -40C to +125C (E-Temp, Extended) |
| Hộp | 64-pin TQFP (PT) 10x10 mm |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC24FJ128GL306-E/PT
| Chân 1 | RB0 — General purpose I/O, remappable peripheral |
| Chân 2 | RB1 — General purpose I/O, remappable peripheral |
| Chân 3 | RB2 — General purpose I/O, remappable peripheral |
| Chân 4 | RB3 — General purpose I/O, remappable peripheral |
| Chân 5 | Vss — Ground |
| Chân 6 | RA0 — General purpose I/O, ADC input |
| Chân 7 | RA1 — General purpose I/O, ADC input |
| Chân 8 | RA2 — General purpose I/O, ADC input |
| Chân 9 | RA3 — General purpose I/O, ADC input |
| Chân 10 | RA4 — General purpose I/O |
| Chân 11 | RA5 — General purpose I/O |
| Chân 12 | RA6 — General purpose I/O |
| Chân 13 | RA7 — General purpose I/O |
| Chân 14 | AVdd — Analog supply |
| Chân 15 | AVss — Analog ground |
| Chân 16 | RA8 — General purpose I/O |
| Chân 17 | RA9 — General purpose I/O |
| Chân 18 | RA10 — General purpose I/O |
| Chân 19 | RA11 — General purpose I/O |
| Chân 20 | Vss — Ground |
| Chân 21 | RA12 — General purpose I/O |
| Chân 22 | RA13 — General purpose I/O |
| Chân 23 | RA14 — General purpose I/O |
| Chân 24 | RA15 — General purpose I/O |
| Chân 25 | Vdd — Digital supply |
| Chân 26 | RB4 — General purpose I/O |
| Chân 27 | RB5 — General purpose I/O |
| Chân 28 | RB6 — General purpose I/O, ICS PGC |
| Chân 29 | RB7 — General purpose I/O, ICS PGD |
| Chân 30 | RB8 — General purpose I/O |
| Chân 31 | RB9 — General purpose I/O |
| Chân 32 | RB10 — General purpose I/O |
| Chân 33 | RB11 — General purpose I/O |
| Chân 34 | Vss — Ground |
| Chân 35 | RC0 — General purpose I/O |
| Chân 36 | RC1 — General purpose I/O |
| Chân 37 | RC2 — General purpose I/O |
| Chân 38 | RC3 — General purpose I/O |
| Chân 39 | RC4 — General purpose I/O |
| Chân 40 | RC5 — General purpose I/O |
| Chân 41 | RC6 — General purpose I/O |
| Chân 42 | RC7 — General purpose I/O |
| Chân 43 | RC8 — General purpose I/O |
| Chân 44 | RC9 — General purpose I/O |
| Chân 45 | Vss — Ground |
| Chân 46 | RD0 — General purpose I/O / LCD SEG |
| Chân 47 | RD1 — General purpose I/O / LCD SEG |
| Chân 48 | RD2 — General purpose I/O / LCD SEG |
| Chân 49 | RD3 — General purpose I/O / LCD SEG |
| Chân 50 | RD4 — General purpose I/O / LCD SEG |
| Chân 51 | RD5 — General purpose I/O / LCD SEG |
| Chân 52 | RD6 — General purpose I/O / LCD SEG |
| Chân 53 | RD7 — General purpose I/O / LCD SEG |
| Chân 54 | Vdd — Digital supply |
| Chân 55 | RD8 — General purpose I/O / LCD SEG |
| Chân 56 | RD9 — General purpose I/O / LCD SEG |
| Chân 57 | RD10 — General purpose I/O / LCD SEG |
| Chân 58 | RD11 — General purpose I/O / LCD SEG |
| Chân 59 | RD12 — General purpose I/O / LCD SEG |
| Chân 60 | RD13 — General purpose I/O / LCD SEG |
| Chân 61 | RD14 — General purpose I/O / LCD COM |
| Chân 62 | RD15 — General purpose I/O / LCD COM |
| Chân 63 | Vss — Ground |
| Chân 64 | VDD — Digital supply |
Ứng dụng tiêu biểu
PIC24FJ128GL306-E/PT phù hợp cho 6 Áp dụngs: Battery-Powered Glucose Meter, Smart Thermostat with Segmented LCD, Industrial Gas and Water Meter, Portable Patient Monitor, IoT Sensor Node with On-Board Display, Outdoor Asset Tracking Tag.
Battery-Powered Glucose Meter
The PIC24FJ128GL306-E/PT is well suited for handheld glucose meters because its nanoamp-class XLP sleep current lets the device idle for years on a single coin cell while the segmented LCD remains live, showing time, last reading, and battery status. The 128 KB ECC Flash holds the measurement firmware, calibration tables, and history logs, and the on-chip 12-bit ADC digitizes the electrochemical sensor strip with sufficient resolution for clinical-grade readings. The integrated LCD charge pump keeps contrast stable as the battery drains from 3V toward 2V, eliminating the external resistor ladder and shrinking the BOM. CIP peripherals such as CLC and NCO handle timing-critical strip-read events while the CPU sleeps, achieving a typical active current of a few hundred microamperes only during the actual measurement window.
Được đề xuất
Smart Thermostat with Segmented LCD
For wall-mount thermostats that combine Wi-Fi/BLE radios with a multi-segment display, the PIC24FJ128GL306-E/PT delivers up to 256 LCD segments enough to drive temperature, humidity, setpoint, and time-of-day without an external display driver. The 16 MIPS core handles Modbus, BACnet, or a wireless stack while the LCD controller autonomously renders alternating display modes, freeing the CPU for radio and sensor tasks. Extended -40C to +125C operation is critical because thermostats mount on exterior walls where temperatures swing widely across seasons. Designers can leverage the internal charge pump to maintain LCD contrast down to 2V battery voltage, supporting common 2xAA or CR2032 backup configurations.
Được đề xuất
Industrial Gas and Water Meter
Utility meters for gas and water require segmented LCDs that show cumulative consumption, instantaneous flow, and tamper flags, and must run for 10+ years on a single lithium battery. The PIC24FJ128GL306-E/PT achieves this with Deep Sleep currents below 1 microampere while the LCD controller and RTCC continue operating, so the display never goes blank. The 128 KB ECC Flash stores metering firmware with error correction to resist bit flips over the device's multi-decade service life. The CLC and MCCP peripherals measure pulse trains from reed switches or Hall sensors without CPU wakeup, dramatically reducing average power. CIP-driven autonomous animation also indicates meter status (low battery, leak detected) without CPU intervention.
Được đề xuất
Portable Patient Monitor
Portable patient monitors including pulse oximeters, infusion pumps, and bedside wearables benefit from the PIC24FJ128GL306-E/PT combination of low power, segmented LCD, and -40C to +125C operation. The 8 KB RAM and 128 KB Flash host SpO2 algorithms, alarm thresholds, and trend buffers while the LCD presents waveforms or numerical vitals on up to 256 segments. The hardware multiplier and DSP engine (built into the PIC24F core) accelerate FFT-based heart-rate variability analysis in real time. The integrated charge pump keeps the LCD readable at low battery, and the extended temperature range covers emergency-response environments where the device may sit in ambulances or outdoor triage tents.
Được đề xuất
IoT Sensor Node with On-Board Display
Battery-powered IoT nodes often pair a wireless MCU with a small segmented LCD to show status, sensor readings, or configuration. The PIC24FJ128GL306-E/PT fits as the user-interface half of such nodes, driving the LCD autonomously via CIPs while a companion radio module handles RF duty-cycling. Up to 256 LCD segments enable rich status displays without an external driver, and the 16 MIPS core processes sensor data before forwarding to the radio. Nanoamp sleep current plus the integrated charge pump makes the node viable on a coin cell for multiple years, which is essential for retrofit industrial sensors where replacing batteries is expensive. The same die is available in lower-cost I-temperature variants for indoor sensor deployments.
Được đề xuất
Outdoor Asset Tracking Tag
Asset tracking tags for containers, pallets, and rental equipment need to display identification numbers and battery status on a small segmented LCD while running for years on a primary cell. The PIC24FJ128GL306-E/PT -40C to +125C operating range survives unheated warehouses, refrigerated trucks, and outdoor staging yards, while the few-hundred-nanoamp sleep current lets the tag idle for extended periods. The 128 KB Flash stores tag ID, location logs, and BLE pairing credentials. Core Independent Peripherals wake the device on motion events via the RTCC or comparator inputs, keeping the average current low even with frequent status updates to the LCD.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FJ128GL306-E/PT — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC24FJ128GL306-I/PT | PIC24FJ128GL306-H/PT | PIC24FJ128GA306-E/PT | PIC24FJ128GA310-I/PT | PIC24FJ128GB406-I/MR |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-TQFP (PT) 10x10 mm | 64-TQFP (PT) 10x10 mm - same | 64-TQFP (PT) 10x10 mm - same | 64-TQFP (PT) 10x10 mm - same | 64-TQFP (PT) 10x10 mm - same | 64-TQFP (PT) - verify |
| Program Flash | 128 KB ECC | 128 KB ECC | 128 KB ECC | 128 KB | 128 KB | 128 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| Maximum CPU Speed | 16 MIPS / 32 MHz | 16 MIPS / 32 MHz | 16 MIPS / 32 MHz | 16 MIPS / 32 MHz | 16 MIPS / 32 MHz | 16 MIPS / 32 MHz |
| LCD Segments | Up to 256 (8 COM x 32 SEG) | Up to 256 | Up to 256 | Up to 256 | Up to 256 | Up to 256 |
| LCD Charge Pump | Integrated | Integrated | Integrated | External bias resistor ladder | External bias resistor ladder | Integrated |
| Core Independent Animation | Yes | Yes | Yes | No (CPU-driven) | No (CPU-driven) | Yes |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C or higher (H grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
Bảo phân biệt quan trọng
- Integrated LCD charge pump for low-battery contrast stability (vsPIC24FJ128GA306-E/PT)
- Core Independent Animation reduces CPU wakeups (vsPIC24FJ128GA310-I/PT)
- Extended -40C to +125C temperature range (vsPIC24FJ128GL306-I/PT)
Ghi chú thiết kế
Place the Vdd/Vss decoupling capacitors as close as possible to the supply pins of the TQFP-64 device. Use a 100 nF ceramic on each Vdd/Vss pair plus a bulk 4.7 uF tantalum or ceramic on the main Vdd rail. For the LCD charge pump, follow the Microchip recommended layout (short traces to Vlcd pins, ground plane under the device) to avoid display flicker on battery-powered boards.
Configure unused peripherals to their lowest-power state and use the Deep Sleep mode with RTCC running for battery-powered applications. The integrated charge pump automatically maintains LCD contrast down to Vdd ~2.0V, but verify the BIAS and VLCD register settings in the configuration bits before relying on this in production.
Estimated: an unconfigured LCD segment pin can leak additional current; configure unused LCD pins to analog mode via the LCD register map. Additionally, the 32 MHz internal oscillator accuracy is typically +/-2% over temperature which may not be sufficient for UART communication without calibration; use the FRC with PLL or an external crystal when baud-rate accuracy matters.
Thông tin tuân thủ
RoHS and lead-free per Microchip product page. AEC-Q100 status not explicitly stated in the verified data; contact Microchip for automotive-grade variants. Extended temperature grade is -40C to +125C (industrial-extended).
