PIC24FJ128GA308T-I/PT - 128KB Flash 16-bit XLP MCU, TQFP-80
MPN: PIC24FJ128GA308T-I/PT ✓ সক্রিয়PIC24FJ128GA308T-I/PT সারাংশ
What is a PIC microcontroller? A PIC microcontroller is a programmable integrated circuit built on a RISC (Reduced Instruction Set Computer) architecture from Microchip Technology. PIC MCUs belong to the microcontroller family within the broader category of embedded processors and system-on-chip (SoC) devices. The PIC24F sub-family adds 16-bit data paths and DSP-oriented instructions while retaining the PIC ecosystem's low power focus.
Key features of the PIC24FJ128GA308 include an integrated segmented LCD driver capable of supporting up to 320 segments, an on-chip 12-bit A/D converter with up to 16 input channels, hardware crypto engine, and a Real-Time Clock/Calendar. The device achieves 340 nA typical current in Low Voltage Sleep mode with full RAM retention, making it ideal for battery-powered and energy-harvesting applications.
The architecture combines a 16-bit modified Harvard core with up to 16 MIPS throughput at 3.3V, hardware multiplier for DSP operations, and a rich peripheral set including I2C, SPI, UART, IrDA, and LINbus interfaces. The device operates from 2.0V to 3.6V, supporting both 2.5V and 3.3V system rails commonly found in portable and industrial designs.
Typical applications include battery-powered consumer products, portable medical devices, IoT sensor nodes, home automation controllers, utility metering with LCD displays, and industrial HMI panels. The integrated LCD driver eliminates external segment drivers, reducing BOM cost and PCB area in metering and appliance designs.
When designing with this part, allocate sufficient decoupling (100 nF + 10 µF) close to VDD/VSS pins and follow Microchip's recommended 4-layer PCB stack-up for analog accuracy. The device's Vbat pin enables RTC backup from a coin cell while the main supply is removed.
This page consolidates distributor pricing, drop-in same-package alternatives, and practical design notes that go beyond what the manufacturer datasheet alone provides for engineering decision-making.
এর জন্য ড্রপ-ইন বিকল্প PIC24FJ128GA308T-I/PT — একই package, pin-to-pin compatible। ভিন্ন package-এর যেসব পার্টে PCB rework প্রয়োজন সেগুলো বাদ দেওয়া হয়েছে।
এই সিরিজের ভ্যারিয়েন্ট
একই সিরিজের মডেল যেগুলো drop-in compatible PIC24FJ128GA308T-I/PT (একই form factor এবং footprint) — পার্থক্য রয়েছে Core, Package, RoHS Status, I/O Pins, Program Memory (Flash).
PIC24FJ128GA308-I/PT
✅ ড্রপ-ইন📋 রেফারেন্স বিকল্প (ক্যাটালগে নেই)
PIC24FJ128GA310T-I/PT
✅ ড্রপ-ইনমূল্যের জন্য যোগাযোগ করুন
ডেটাশিট দেখুন →PIC24FJ128GA306T-I/PT
✅ ড্রপ-ইন ⚠️ স্পেক যাচাইকৃত নয়মূল্যের জন্য যোগাযোগ করুন
ডেটাশিট দেখুন →PIC24FJ128DA210T-I/PT
✅ ড্রপ-ইনমূল্যের জন্য যোগাযোগ করুন
ডেটাশিট দেখুন →PIC24FJ256GA310T-I/PT
✅ ড্রপ-ইন ⚠️ স্পেক যাচাইকৃত নয়📋 রেফারেন্স বিকল্প (ক্যাটালগে নেই)
PIC24FJ128GA308T-I/PT সর্বোচ্চ রেটিং ও বৈদ্যুতিক বৈশিষ্ট্য
| Core | PIC24F 16-bit RISC |
| Program Memory | 128 KB Flash (43K x 24) |
| RAM Size | 8 KB |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Operating Voltage (Vdd) | 2.0 V to 3.6 V |
| প্যাকেজ | 80-pin TQFP (PT), 12x12 mm |
| অপারেটিং তাপমাত্রা | -40 C to +85 C (Industrial) |
| মাউন্টিং টাইপ | Surface Mount |
| A/D Converter | 12-bit, 16 channels |
| Communication Interfaces | I2C, SPI, UART, IrDA, LINbus |
| LCD Driver | Segmented LCD, up to 320 segments |
| Low-Voltage Sleep Current | 340 nA typical (RAM retained) |
| Crypto Engine | Yes (hardware) |
| Real-Time Clock | Yes, with Vbat backup pin |
| MSL লেভেল | 3 (per JEDEC J-STD-020) |
| RoHS স্ট্যাটাস | Compliant |
PIC24FJ128GA308T-I/PT পিন কনফিগারেশন
| পিন 1 | OSC1/RA0 — Oscillator crystal input or GPIO RA0 |
| পিন 2 | OSC2/RA1 — Oscillator crystal output or GPIO RA1 |
| পিন 3 | RA2 — GPIO RA2 |
| পিন 4 | RA3 — GPIO RA3 |
| পিন 5 | RA4 — GPIO RA4 |
| পিন 6 | RA5 — GPIO RA5 |
| পিন 7 | RA6 — GPIO RA6 |
| পিন 8 | RA7 — GPIO RA7 |
| পিন 9 | RB0 — GPIO RB0 / programming PGD |
| পিন 10 | RB1 — GPIO RB1 / programming PGC |
| পিন 11 | RB2 — GPIO RB2 |
| পিন 12 | RB3 — GPIO RB3 |
| পিন 13 | RB4 — GPIO RB4 |
| পিন 14 | RB5 — GPIO RB5 |
| পিন 15 | RB6 — GPIO RB6 |
| পিন 16 | RB7 — GPIO RB7 |
| পিন 17 | RB8 — GPIO RB8 |
| পিন 18 | RB9 — GPIO RB9 |
| পিন 19 | RB10 — GPIO RB10 |
| পিন 20 | RB11 — GPIO RB11 |
| পিন 21 | RB12 — GPIO RB12 |
| পিন 22 | RB13 — GPIO RB13 |
| পিন 23 | RB14 — GPIO RB14 |
| পিন 24 | RB15 — GPIO RB15 |
| পিন 25 | RC0 — GPIO RC0 |
| পিন 26 | RC1 — GPIO RC1 |
| পিন 27 | RC2 — GPIO RC2 |
| পিন 28 | RC3 — GPIO RC3 |
| পিন 29 | RC4 — GPIO RC4 |
| পিন 30 | RC5 — GPIO RC5 |
| পিন 31 | RC6 — GPIO RC6 |
| পিন 32 | RC7 — GPIO RC7 |
| পিন 33 | RC8 — GPIO RC8 |
| পিন 34 | RC9 — GPIO RC9 |
| পিন 35 | RC10 — GPIO RC10 |
| পিন 36 | RC11 — GPIO RC11 |
| পিন 37 | RC12 — GPIO RC12 |
| পিন 38 | RC13 — GPIO RC13 |
| পিন 39 | RC14 — GPIO RC14 |
| পিন 40 | RC15 — GPIO RC15 |
| পিন 41 | RD0 — GPIO RD0 |
| পিন 42 | RD1 — GPIO RD1 |
| পিন 43 | RD2 — GPIO RD2 |
| পিন 44 | RD3 — GPIO RD3 |
| পিন 45 | RD4 — GPIO RD4 |
| পিন 46 | RD5 — GPIO RD5 |
| পিন 47 | RD6 — GPIO RD6 |
| পিন 48 | RD7 — GPIO RD7 |
| পিন 49 | RD8 — GPIO RD8 |
| পিন 50 | RD9 — GPIO RD9 |
| পিন 51 | RD10 — GPIO RD10 |
| পিন 52 | RD11 — GPIO RD11 |
| পিন 53 | RD12 — GPIO RD12 |
| পিন 54 | RD13 — GPIO RD13 |
| পিন 55 | RD14 — GPIO RD14 |
| পিন 56 | RD15 — GPIO RD15 |
| পিন 57 | RE0 — GPIO RE0 |
| পিন 58 | RE1 — GPIO RE1 |
| পিন 59 | RE2 — GPIO RE2 |
| পিন 60 | RE3 — GPIO RE3 |
| পিন 61 | RE4 — GPIO RE4 |
| পিন 62 | RE5 — GPIO RE5 |
| পিন 63 | RE6 — GPIO RE6 |
| পিন 64 | RE7 — GPIO RE7 |
| পিন 65 | RF0 — GPIO RF0 |
| পিন 66 | RF1 — GPIO RF1 |
| পিন 67 | RF2 — GPIO RF2 |
| পিন 68 | RF3 — GPIO RF3 |
| পিন 69 | RF4 — GPIO RF4 |
| পিন 70 | RF5 — GPIO RF5 |
| পিন 71 | RF6 — GPIO RF6 |
| পিন 72 | RF7 — GPIO RF7 |
| পিন 73 | RF8 — GPIO RF8 |
| পিন 74 | RG0 — GPIO RG0 |
| পিন 75 | RG1 — GPIO RG1 |
| পিন 76 | RG2 — GPIO RG2 / LCD COM0 |
| পিন 77 | RG3 — GPIO RG3 / LCD COM1 |
| পিন 78 | Vbat — RTC backup battery supply input |
| পিন 79 | VDD — Positive supply voltage (2.0-3.6V) |
| পিন 80 | VSS — Ground reference |
সাধারণ ব্যবহার
PIC24FJ128GA308T-I/PT এর জন্য উপযুক্ত 6 অ্যাপ্লিকেশনs: Battery-Powered Utility Meter with LCD, Portable Medical Monitoring Device, Home Automation HMI Controller, Industrial Sensor Hub with LCD Display, Wearable Fitness Tracker, IoT Edge Sensor Node.
Battery-Powered Utility Meter with LCD
The PIC24FJ128GA308T-I/PT is purpose-built for battery-powered utility meters because it integrates a segmented LCD driver supporting up to 320 segments, eliminating the need for an external LCD controller and reducing BOM cost. Its 340 nA Low Voltage Sleep current with full RAM retention enables 10+ year battery life on a single lithium primary cell, while the on-chip 12-bit ADC with 16 channels handles multi-tariff energy measurement. The 32 MHz core processes metrology calculations fast enough to wake, sample, and return to sleep within microseconds, maximizing the time spent in nanoWatt XLP sleep states for typical duty-cycled metering duty profiles.
সুপারিশকৃত
Portable Medical Monitoring Device
The PIC24FJ128GA308T-I/PT fits portable medical monitoring applications where its nanoWatt XLP sleep modes stretch battery life between patient-charging cycles. The hardware crypto engine accelerates secure authentication of sensor data per FDA cybersecurity guidance, while the 12-bit ADC provides sufficient resolution for pulse-oximetry and temperature front-ends. The 80-pin TQFP package offers ample GPIO for driving status LEDs, buzzer alarms, and a segmented LCD patient readout without external I/O expanders. Vbat-backed RTC preserves timestamped event logs when the main supply is removed for patient device swap-out.
সুপারিশকৃত
Home Automation HMI Controller
For home automation HMI panels, the PIC24FJ128GA308T-I/PT provides an integrated segmented LCD driver for status display plus a 32 MHz core to handle multi-protocol bridging between UART, SPI, and I2C sensor networks. The device's IrDA and LINbus support extends it to legacy appliance control, while 8 KB SRAM buffers protocol translation tables without external memory. Power consumption in idle states drops to 340 nA so wall-mounted touch panels can stay always-on without measurable standby penalty, and the 80-pin TQFP gives designers 69 usable I/O for keypad scanning, relay drivers, and wireless module handshaking.
সুপারিশকৃত
Industrial Sensor Hub with LCD Display
The PIC24FJ128GA308T-I/PT serves industrial sensor hubs that aggregate multiple analog and digital sensors and display readings on a local segmented LCD. Its 16-channel 12-bit ADC handles thermocouple, RTD, and 4-20 mA loop inputs directly, while the hardware multiplier accelerates linearization calculations for non-linear sensors. The wide 2.0-3.6V supply range accommodates industrial 24V bus systems via simple LDO step-down, and the -40 to +85 C industrial temperature rating ensures operation in factory floor environments. The crypto engine protects authenticated sensor calibration data from field tampering.
সুপারিশকৃত
Wearable Fitness Tracker
Wearable fitness trackers benefit from the PIC24FJ128GA308T-I/PT's nanoWatt XLP architecture, which keeps sleep current under 1 µA while preserving Bluetooth Low Energy link-layer timing. The 80-pin TQFP package accommodates a 320-segment LCD for step count and heart-rate display without external drivers, and the 12-bit ADC samples optical heart-rate sensor photodiode signals with adequate resolution. Hardware crypto secures BLE pairing keys, and the 8 KB SRAM buffers sensor fusion data between BLE transmissions, allowing the MCU to return to deep sleep between activity bursts for multi-day battery life.
সুপারিশকৃত
IoT Edge Sensor Node
The PIC24FJ128GA308T-I/PT works in IoT edge sensor nodes where its nanoWatt XLP sleep modes dominate the energy budget for duty-cycled environmental monitoring. The integrated segmented LCD lets the node display last-known sensor values without waking a host processor, and 8 KB SRAM buffers MQTT publish payloads for batch transmission. Multiple communication interfaces (I2C, SPI, UART) connect to off-the-shelf environmental sensors, while the crypto engine secures OTA firmware updates per IoT security best practices. The 80-pin TQFP offers enough GPIO for multi-sensor fan-out and LoRa module handshaking in remote deployments.
সুপারিশকৃত
সুপারিশকৃত পণ্যের সারসংক্ষেপ
এর জন্য ইঞ্জিনিয়ারিং রেফারেন্স ডেটা PIC24FJ128GA308T-I/PT — তুলনা, ডিজাইন গাইডেন্স এবং কমপ্লায়েন্স তথ্য।
নির্বাচন গাইড
বিকল্পের সাথে তুলনা
| পারামিটার | এই পণ্য | PIC24FJ128GA308-I/PT | PIC24FJ128GA310T-I/PT | PIC24FJ128GA306T-I/PT | PIC24FJ128DA210T-I/PT |
|---|---|---|---|---|---|
| Package | 80-pin TQFP (PT), 12x12 mm | 80-pin TQFP (PT) - same | 80-pin TQFP (PT) - same | 80-pin TQFP (PT) - same | 80-pin TQFP (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 128 KB | 128 KB | 256 KB | 64 KB | 128 KB |
| RAM Size | 8 KB | 8 KB | 16 KB | 8 KB | 8 KB |
| Maximum CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| LCD Driver | Yes, up to 320 segments | Yes, up to 320 segments | Yes, up to 320 segments | Yes, up to 320 segments | Yes, plus mTouch |
| Sleep Current | 340 nA typical | 340 nA typical | 340 nA typical | 340 nA typical | 340 nA typical |
| Operating Voltage | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| Special Feature | Hardware crypto engine | Hardware crypto engine | Hardware crypto engine | Hardware crypto engine | mTouch capacitive sensing |
মূল পার্থক্যসমূহ
- Pin-compatible upgrade path within same package (বনামPIC24FJ128GA310T-I/PT)
- Integrated segmented LCD driver reduces BOM (বনামPIC24FJ128GA006-I/PT (64-pin TQFP, no LCD driver))
- Hardware crypto engine for secure boot and authentication (বনামPIC24FJ128DA210T-I/PT)
ডিজাইন নোট
Estimated: At 32 MHz active mode with all peripherals enabled, the PIC24FJ128GA308T-I/PT consumes approximately 15 mA at 3.3V. In Low Voltage Sleep with RAM retention, current drops to 340 nA typical. For battery life calculations, assume 0.1% active duty cycle (e.g., 1 ms active per second) to achieve average system current under 20 µA. Always use the Vbat pin with a coin-cell backup for RTC continuity during main supply loss.
Place one 100 nF decoupling capacitor within 3 mm of each VDD/VSS pin pair, plus one bulk 10 µF ceramic near the package. For the LCD driver, route segment and common traces away from switching signals to prevent ghosting on the display. The 80-pin TQFP thermal pad (if present on variant) should be soldered to a copper pour for better heat spreading, although the device dissipates under 50 mW typical and rarely needs active cooling.
Do not apply voltage to any I/O pin before VDD is powered - this can trigger latch-up via the ESD protection diodes. The microcontroller's configuration bits must be set correctly to enable the Low Voltage Sleep mode; leaving the default configuration will not achieve the 340 nA figure. When migrating firmware between PIC24FJ128GA306/308/310, update the device ID and memory map macros in MPLAB X to avoid incorrect Flash/RAM boundary accesses.
কমপ্লায়েন্স তথ্য
RoHS and REACH compliance per Microchip product environmental compliance statements. Halogen-free per JEDEC JS709B definition. Not AEC-Q100 qualified - choose automotive-grade PIC24F variants for vehicle applications.