PIC24FJ64GL305-E/M4 - 16-bit 32MHz 64KB Flash MCU w/ LCD | Microchip
MPN: PIC24FJ64GL305-E/M4 ✓ AktifPIC24FJ64GL305-E/M4 Ringkasan
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), working RAM, and a rich set of peripherals including timers, communication interfaces, and analog blocks. The PIC24F family sits in the wider PIC hierarchy: 16-bit PIC -> PIC24F sub-family -> low-power GL line -> power-managed embedded controller. It is widely used where deterministic real-time response, low energy consumption, and rich on-chip integration replace an external host processor.
The GL family extends low-power operation by adding a segmented LCD driver with core independent animation, supporting up to 256 segments (8 commons x 32 segments), autonomous alternating dual-display modes, blinking and blanking functions, and a charge pump for contrast management. Sleep current drops to a few hundred nanoamperes while RAM and LCD operation are retained, making it ideal for battery-powered human-machine interfaces.
Typical applications include battery-powered metering, electronic shelf labels, medical wearables, thermostats, home automation keypads, and any portable device that combines a segmented LCD with extended battery life. CIPs (Configurable Logic Cells, CRC, PWM, RTCC) offload routine tasks from the CPU, reducing MIPS demand and total energy.
When designing with the PIC24FJ64GL305-E/M4, use MPLAB X IDE with the XC16 compiler and the MPLAB Code Configurator for peripheral setup. Place a 100 nF decoupling capacitor as close as possible to each VDD pin and a bulk 4.7-10 uF capacitor near the package to stabilize the internal voltage regulator.
Pilihan pengganti yang segera untuk PIC24FJ64GL305-E/M4 — sama paket, pin-pin kompatibel. Bahagian paket yang berbeza memerlukan kerja ulang PCB diasingkan.
Varietas dalam siri ini
Model serupa yang kompatibel dengan pengganti yang segera PIC24FJ64GL305-E/M4 (sama faktor bentuk dan kaki) — berbeza dalam Package, Core Architecture, Operating Temperature, ADC, SRAM.
PIC24FJ128GL306T-I/MR
✅ Masuk Drop-InHubungi untuk harga
Lihat Datasheet →PIC24FJ128GL306-I/PT
✅ Masuk Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif rujukan (tidak dalam katalog)
PIC24FJ64GA705T-I/M4
✅ Masuk Drop-In ⚠️ Spesifikasi Tidak DisahkanHubungi untuk harga
Lihat Datasheet →PIC24FJ128GL405-I/M4
✅ Masuk Drop-In ⚠️ Spesifikasi Tidak DisahkanHubungi untuk harga
Lihat Datasheet →PIC24FJ256GU405T-I/M4
✅ Masuk Drop-In ⚠️ Spesifikasi Tidak DisahkanHubungi untuk harga
Lihat Datasheet →PIC24FJ64GL305-E/M4 Penilaian maksimum & Ciri-ciri Elektrik
| Core Architecture | PIC24F (16-bit) |
| CPU Speed | 32 MHz / 16 MIPS |
| Program Memory (Flash) | 64 KB (64K x 8) |
| RAM | 8 KB |
| Suhu Operasi | -40C to +125C (E-Temp) |
| Kemasan | 48-UQFN (6x6 mm) |
| Jenis Pemasangan | Surface Mount |
| LCD Segments | Up to 256 (8 COM x 32 SEG) |
| LCD Charge Pump | Integrated |
| Memory ECC | Yes (Flash) |
| eXtreme Low Power (XLP) | Yes |
| Core Independent Peripherals (CIPs) | Yes (CLC, MCCP, RTCC, CRC, PWM) |
| Fail-Safe Clock Monitor | Yes |
| Status RoHS | Compliant |
| AEC-Q100 | Not qualified (industrial/consumer) |
Panduan Konfigurasi Pin PIC24FJ64GL305-E/M4 48-uqfn (6x6 mm)
Konfigurasi pin untuk PIC24FJ64GL305-E/M4 (48-uqfn (6x6 mm) pakai). IC digital ini termasuk GPIO, antaramuka komunikasi (UART, SPI, I2C), dan pin kuasa. Rujuk dokumen pengeluar untuk fungsi pin alternatif dan opsi konfigurasi. Biasa digunakan dalam rancangan sistem ter嵌入式 dan PCB.
Tiada data garisan pin yang diperoleh untuk PIC24FJ64GL305-E/M4.
Rujuk kepada lembaran data untuk konfigurasi pin penuh.
Aplikasi Biasa
PIC24FJ64GL305-E/M4 patut untuk 6 aplikasis: Battery-Powered Smart Meter, Electronic Shelf Label (ESL), Medical Wearable / Health Monitor, Thermostat and Home Automation Keypad, Industrial Control Panel HMI, Automotive Aftermarket Display.
Battery-Powered Smart Meter
The PIC24FJ64GL305-E/M4 fits utility metering because its XLP sleep current of a few hundred nanoamperes preserves battery life over multi-year deployments, while the integrated segmented LCD driver supports up to 256 segments for displaying consumption values, units, and status icons. The 16 MIPS core can run a Modbus or wireless M-Bus protocol stack in addition to metrology math, and the on-chip ECC Flash safeguards calibration data against bit flips caused by long-term retention. Compared with discrete RTC plus LCD chip solutions, this single-chip integration reduces PCB area by roughly 40% and BOM cost by an estimated 25-30%.
Disebarkan
Electronic Shelf Label (ESL)
ESL nodes demand multi-year coin-cell operation, sub-second display refresh, and low-cost RF or NFC connectivity. The PIC24FJ64GL305-E/M4's LCD charge pump maintains contrast down to ~2 V battery voltage, while deep sleep with LCD retention consumes only nanoamperes between price updates. The 32 MHz CPU can service the wireless protocol between updates without waking the LCD, and the segmented LCD controller's autonomous blinking and blanking modes reduce firmware complexity. Its 48-pin UQFN package (6x6 mm) keeps the design footprint compatible with thin ESL enclosures.
Disebarkan
Medical Wearable / Health Monitor
For continuous glucose monitors, pulse oximeters, and smart insulin pens, the PIC24FJ64GL305-E/M4 provides deterministic 16 MIPS throughput for sensor fusion, hardware CIPs for low-power PWM-driven LED drivers, and a segmented LCD that displays real-time readings without needing a high-power OLED. Its E-Temp range (-40C to +125C) supports sterilization and harsh skin-contact environments. RAM retention through XLP sleep preserves patient data across battery swaps, while ECC Flash prevents silent corruption of medical logs - a critical requirement for FDA traceability.
Disebarkan
Thermostat and Home Automation Keypad
Smart thermostats and wall keypads combine temperature sensing, segmented LCD readouts, capacitive touch, and sometimes wireless mesh connectivity. The PIC24FJ64GL305-E/M4 integrates the LCD, RTCC, and CLC-based capacitive-touch glue logic, eliminating an external display driver and reducing the bill of materials. Its CIP peripherals handle PWM-driven backlights and triac-firing zero-cross detection without CPU intervention, freeing cycles for Zigbee or Thread host interface. Wide temperature tolerance accommodates installation in attics, basements, and outdoor enclosures.
Disebarkan
Industrial Control Panel HMI
Industrial HMIs require deterministic response to operator input and reliable segmented LCD visibility across wide temperature and lighting conditions. The PIC24FJ64GL305-E/M4's CLCs and MCCP peripherals can drive multiple LEDs, buzzers, and triac outputs concurrently, while the integrated LCD controller powers a 256-segment display. Fail-Safe Clock Monitor detects primary oscillator failure and switches to the internal low-power RC, ensuring continued operation in factory environments with electromagnetic noise. AEC-style robustness (E-Temp) and ECC Flash support long-term industrial reliability.
Disebarkan
Automotive Aftermarket Display
The PIC24FJ64GL305-E/M4 suits aftermarket automotive accessories such as tire-pressure monitoring indicators, gauge clusters, and diagnostic tools. While not AEC-Q100 qualified, the E-Temp range (-40C to +125C) handles cabin and engine-bay conditions, and the segmented LCD remains readable in direct sunlight when paired with the integrated charge pump. CIP-based PWM drives analog gauges and warning LEDs deterministically, freeing the 16 MIPS core for CAN or LIN stack processing. Drop-in compatibility with PIC24FJ128GL306 variants enables a tiered product line.
Disebarkan
Ringkasan Produk Disebarkan
Data referensi kejuruteraan untuk PIC24FJ64GL305-E/M4 — perbandingan, panduan rancangan, dan maklumat kesediaan
Panduan Pilihan
Perbandingan dengan Gantian
| Parametr | Produk Ini | PIC24FJ128GL306T-I/MR | PIC24FJ128GL306-I/PT | PIC24FJ64GA705T-I/M4 | PIC24FJ128GL405-I/M4 | PIC24FJ256GU405T-I/M4 |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | UQFN-48 (6x6 mm) | UQFN-48 family (similar) | TQFP-64 (different footprint) | UQFN-48 (6x6) - same | UQFN-48 (6x6) - same | UQFN-48 (6x6) - same |
| Flash Memory | 64 KB ECC | 128 KB ECC | 128 KB ECC | 64 KB | 128 KB | 256 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 96 KB |
| CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| LCD Controller | Yes (up to 256 segments) | Yes | Yes | No | Yes | No (USB instead) |
| XLP Sleep Current | ~few hundred nA (typical) | Same XLP family | Same XLP family | Similar XLP | Same XLP family | Higher (USB-capable) |
| Operating Temperature | -40C to +125C (E-Temp) | -40C to +85C (I-Temp) | -40C to +85C (I-Temp) | -40C to +85C (I-Temp) | -40C to +85C (I-Temp) | -40C to +85C (I-Temp) |
Penyeberangsung Jelas
- Integrated segmented LCD controller with charge pump (vsPIC24FJ64GA705T-I/M4)
- XLP sleep current in nanoampere range with LCD retention (vsPIC24FJ256GU405T-I/M4)
- ECC Flash for safety-critical retention (vsPIC24FJ64GL302-E/SS)
- CIP-based autonomous peripherals (vsPIC24FJ32GP205T-I/PT)
Catatan Desain
Estimated: at VDD=3.3 V and CPU idle with LCD active, the PIC24FJ64GL305-E/M4 draws approximately 5-10 uA/MIPS active current and roughly 200-500 nA in XLP sleep with RTC and LCD retention. Use MCP1700 (250 mA LDO, 1.6 uA Iq) for primary regulation from a coin cell or 2xAA source. Decouple VDD with a 100 nF ceramic as close to each pin pair as possible, plus a bulk 4.7 uF near the package to stabilize the internal core regulator.
The 6x6 mm UQFN-48 with exposed thermal pad yields an estimated theta_JA of approximately 30-35 C/W on a 1-oz 4-layer JEDEC test board. At full 32 MHz CPU activity drawing ~10 mA core current from 3.3 V (33 mW), junction rise is only ~1 C above ambient, so no heatsink is required. Ensure the exposed pad is soldered to a continuous ground plane of at least 25 mm^2 to maintain rated thermal performance.
Route the LCD segment pins to the display via short, parallel traces guarded by a ground pour; long traces couple noise into the charge-pump output and degrade contrast. Place the external 1 uF charge-pump capacitor as close as possible to the VLCAP pins. Reserve a 4-wire SPI footprint for an optional external Flash memory to extend data logging, using PPS (Peripheral Pin Select) for flexible MCU mapping.
Avoid configuring PPS outputs that conflict with the ICD/ICSP programming pins (PGECx/PGEDx). When migrating from the -E to -I temperature grade, re-validate LCD contrast at low temperatures because the charge-pump response slows. Do not exceed the absolute maximum VDD of 3.6 V - this is a 3.3 V part, not a 5 V tolerant MCU. Always include a 10 kOhm pull-up on MCLR to prevent spurious resets during brown-out events.
Maklumat Kesediaan
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - choose AEC-Q100 automotive parts for OEM automotive use.
