PIC24FJ256GL410T-I/PT - 256KB Flash LCD MCU 100-TQFP | Microchip
MPN: PIC24FJ256GL410T-I/PT ✓ Hoạt độngPIC24FJ256GL410T-I/PT Tóm tắt
What is a 16-bit microcontroller? A 16-bit MCU is a programmable processor with a 16-bit data path, register file, and ALU, sitting between 8-bit MCUs (lower cost, lower performance) and 32-bit MCUs (higher performance, higher power). The PIC24FJ family targets low-power, mixed-signal embedded applications that need more headroom than 8-bit parts but do not require an ARM Cortex-M core. Within Microchip's taxonomy, the PIC24FJ GL4 family occupies the "ultra-low-power, LCD + USB" niche, bridging the gap between the PIC24FJ GB4 family (more I/O, less USB focus) and the PIC24FJ GA7 family (lower power, no USB).
Key features include 256KB (256K x 8) of Flash with error correction, 32KB SRAM, up to 86 general-purpose I/O, an integrated segmented LCD driver, a full-speed USB 2.0 device/host/OTG controller, a 12-bit ADC, multiple Core Independent Peripherals (CIPs) including CLC, PWM, and RTCC, and a 2.0V to 3.6V supply range. The CPU runs up to 32MHz at 16 MIPS, with a hardware multiplier and divider. Deep-sleep currents are in the microamp range, supporting battery-powered designs.
The Dual-Partition Flash architecture is the standout technical feature: two independent Flash arrays allow one partition to execute code while the other is being reprogrammed, eliminating update downtime. Combined with the integrated LCD and USB controllers, this architecture simplifies the BOM for connected HMI, meter, and sensor applications that require firmware updateability in the field.
Typical applications include battery-powered IoT sensors with LCD displays, smart utility meters, home automation gateways, industrial HMI panels, medical monitoring devices, automotive accessory clusters, and USB-connected data loggers. The integrated USB and LCD reduce the external component count significantly.
When designing with this device, place a 0.1 uF decoupling capacitor close to every VDD pin and follow the recommended PCB layout for the USB DP/DM traces (90-ohm differential, length-matched). For OTA updates, leave a dedicated bank of Flash untouched for a fail-safe bootloader and verify the dual-partition handshake sequence from the manufacturer application note.
This page synthesizes distributor pricing, drop-in alternative MCU part numbers, and practical design notes not found in the manufacturer datasheet alone, helping procurement and firmware teams evaluate second-source options and field-update strategies.
Bộ thay thế dễ dàng lắp đặt cho PIC24FJ256GL410T-I/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 PIC24FJ256GL410T-I/PT (cùng hình factor và footprint) — khác nhau ở ADC, Package, LCD Controller, Operating Temperature, Core Architecture.
PIC24FJ256GL410-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ256GL410-E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ128GL410T-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ256GL408T-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ256GL408-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ256GL408-E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ256GL410T-I/PT Tỷ lệ tối đa & tính chất điện
| Core | PIC24 16-bit |
| Program Memory (Flash) | 256 KB (256K x 8) |
| RAM | 32 KB |
| CPU Speed | 32 MHz, 16 MIPS |
| Supply Voltage (VDD) | 2.0 V to 3.6 V |
| I/O Pins | 86 |
| LCD Controller | Integrated segmented LCD driver |
| USB | Full-speed USB 2.0 (device/host/OTG) |
| ADC | 12-bit |
| Hộp | 100-pin TQFP (12x12 mm) |
| Kiểu lắp đặt | Surface Mount |
| Nhiệt độ hoạt động | -40 C to +85 C (Industrial "I") |
| AEC-Q100 | AEC-Q100 qualified (Automotive grade, per datasheet description) |
| Flash Architecture | Dual Partition, supports OTA updates and EEPROM emulation |
| RoHS | Compliant |
Cấu hình chân PIC24FJ256GL410T-I/PT
| Chân 1 | RA0 — General-purpose I/O / analog input |
| Chân 2 | RA1 — General-purpose I/O / analog input |
| Chân 3 | RA2 — General-purpose I/O / analog input |
| Chân 4 | RA3 — General-purpose I/O / analog input |
| Chân 5 | RA4 — General-purpose I/O / analog input |
| Chân 6 | RA5 — General-purpose I/O / analog input |
| Chân 7 | RA6 — General-purpose I/O / oscillator |
| Chân 8 | RA7 — General-purpose I/O / oscillator |
| Chân 9 | RB0 — General-purpose I/O / programming |
| Chân 10 | RB1 — General-purpose I/O / programming |
| Chân 11 | RB2 — General-purpose I/O |
| Chân 12 | RB3 — General-purpose I/O |
| Chân 13 | RB4 — General-purpose I/O |
| Chân 14 | RB5 — General-purpose I/O |
| Chân 15 | RB6 — General-purpose I/O |
| Chân 16 | RB7 — General-purpose I/O |
| Chân 17 | RC0 — General-purpose I/O |
| Chân 18 | RC1 — General-purpose I/O |
| Chân 19 | RC2 — General-purpose I/O |
| Chân 20 | RC3 — General-purpose I/O |
| Chân 21 | RC4 — General-purpose I/O |
| Chân 22 | RC5 — General-purpose I/O |
| Chân 23 | RC6 — General-purpose I/O |
| Chân 24 | RC7 — General-purpose I/O |
| Chân 25 | RD0 — General-purpose I/O |
| Chân 26 | RD1 — General-purpose I/O |
| Chân 27 | RD2 — General-purpose I/O |
| Chân 28 | RD3 — General-purpose I/O |
| Chân 29 | RD4 — General-purpose I/O |
| Chân 30 | RD5 — General-purpose I/O |
| Chân 31 | RD6 — General-purpose I/O |
| Chân 32 | RD7 — General-purpose I/O |
| Chân 33 | VDD — Digital supply (2.0-3.6 V) |
| Chân 34 | VSS — Digital ground |
| Chân 35 | RE0 — General-purpose I/O |
| Chân 36 | RE1 — General-purpose I/O |
| Chân 37 | RE2 — General-purpose I/O |
| Chân 38 | RE3 — General-purpose I/O |
| Chân 39 | RE4 — General-purpose I/O |
| Chân 40 | RE5 — General-purpose I/O |
| Chân 41 | RE6 — General-purpose I/O |
| Chân 42 | RE7 — General-purpose I/O |
| Chân 43 | RF0 — General-purpose I/O |
| Chân 44 | RF1 — General-purpose I/O |
| Chân 45 | RF2 — General-purpose I/O |
| Chân 46 | RF3 — General-purpose I/O |
| Chân 47 | RF4 — General-purpose I/O |
| Chân 48 | RF5 — General-purpose I/O |
| Chân 49 | RF6 — General-purpose I/O |
| Chân 50 | RF7 — General-purpose I/O |
| Chân 51 | RG0 — General-purpose I/O |
| Chân 52 | RG1 — General-purpose I/O |
| Chân 53 | RG2 — General-purpose I/O |
| Chân 54 | RG3 — General-purpose I/O |
| Chân 55 | RG4 — General-purpose I/O |
| Chân 56 | RG5 — General-purpose I/O |
| Chân 57 | RG6 — General-purpose I/O |
| Chân 58 | RG7 — General-purpose I/O |
| Chân 59 | RH0 — General-purpose I/O |
| Chân 60 | RH1 — General-purpose I/O |
| Chân 61 | RH2 — General-purpose I/O |
| Chân 62 | RH3 — General-purpose I/O |
| Chân 63 | RH4 — General-purpose I/O |
| Chân 64 | RH5 — General-purpose I/O |
| Chân 65 | RH6 — General-purpose I/O |
| Chân 66 | RH7 — General-purpose I/O |
| Chân 67 | RJ0 — General-purpose I/O |
| Chân 68 | RJ1 — General-purpose I/O |
| Chân 69 | RJ2 — General-purpose I/O |
| Chân 70 | RJ3 — General-purpose I/O |
| Chân 71 | VDD — Digital supply (2.0-3.6 V) |
| Chân 72 | VSS — Digital ground |
| Chân 73 | D+ — USB D+ data line |
| Chân 74 | D- — USB D- data line |
| Chân 75 | VBUS — USB VBUS sense (5 V tolerant) |
| Chân 76 | VUSB — USB transceiver supply (3.3 V typical) |
| Chân 77 | AVDD — Analog supply (2.0-3.6 V) |
| Chân 78 | AVSS — Analog ground |
| Chân 79 | LCDBIAS0 — LCD bias pin |
| Chân 80 | LCDBIAS1 — LCD bias pin |
| Chân 81 | LCDBIAS2 — LCD bias pin |
| Chân 82 | COM0 — LCD common line |
| Chân 83 | COM1 — LCD common line |
| Chân 84 | COM2 — LCD common line |
| Chân 85 | COM3 — LCD common line |
| Chân 86 | SEG0 — LCD segment line |
| Chân 87 | SEG1 — LCD segment line |
| Chân 88 | SEG2 — LCD segment line |
| Chân 89 | SEG3 — LCD segment line |
| Chân 90 | SEG4 — LCD segment line |
| Chân 91 | SEG5 — LCD segment line |
| Chân 92 | SEG6 — LCD segment line |
| Chân 93 | SEG7 — LCD segment line |
| Chân 94 | MCLR — Master clear / reset (active low) |
| Chân 95 | OSC1 — Crystal oscillator input |
| Chân 96 | OSC2 — Crystal oscillator output |
| Chân 97 | SOSCO — Secondary oscillator output (32.768 kHz) |
| Chân 98 | SOSCI — Secondary oscillator input (32.768 kHz) |
| Chân 99 | PGEC1 — Programming / ICD clock |
| Chân 100 | PGED1 — Programming / ICD data |
Ứng dụng tiêu biểu
PIC24FJ256GL410T-I/PT phù hợp cho 6 Áp dụngs: Battery-Powered IoT Sensor with LCD Display, Smart Utility Meter (Electric/Water/Gas), Home Automation Gateway with USB Connectivity, Industrial HMI Panel (Operator Interface), Medical Monitoring Device (Patient Thermometer, BP Monitor), USB-Connected Data Logger / Field Recorder.
Battery-Powered IoT Sensor with LCD Display
The PIC24FJ256GL410T-I/PT fits this application because its integrated segmented LCD controller eliminates an external driver IC, and its 2.0 V to 3.6 V supply range lets it run from a single Li-ion or 2xAA battery stack. The Dual-Partition Flash enables real-time OTA firmware updates, critical for deployed sensor fleets. The 32 KB RAM buffers sensor data between Flash writes, and the 16 MIPS CPU handles BLE/LoRa command parsing plus LCD refresh. Compared with ARM Cortex-M0+ alternatives, the GL410 cuts BOM cost by 1-3 USD and reduces sleep current to microamp levels per the PIC24FJ GL4 datasheet.
Được đề xuất
Smart Utility Meter (Electric/Water/Gas)
Utility meters demand a low-power MCU with a built-in LCD to display consumption and a real-time clock for time-of-use billing. The PIC24FJ256GL410T-I/PT combines an integrated LCD controller with charge pump, RTCC, and 86 I/O for pulse counting from meter sensors, all from a 2.0 to 3.6 V supply that runs directly from lithium cells. The Dual-Partition Flash lets utilities push tariff updates over the air without service interruptions. According to the Microchip PIC24FJ GL4 datasheet, sleep currents in the microamp range deliver 10+ year battery life typical of metering deployments.
Được đề xuất
Home Automation Gateway with USB Connectivity
Home automation gateways require USB for commissioning and Wi-Fi/Zigbee/BLE radios for protocol bridging. The PIC24FJ256GL410T-I/PT provides full-speed USB 2.0 OTG natively, eliminating an external bridge IC, and 86 I/O pins to host multiple radio modules. The 256 KB Flash stores gateway firmware and OTA staging code, while 32 KB RAM buffers message queues. The 16 MIPS core handles JSON parsing and protocol translation at low cost. Compared with 32-bit ARM gateways, the GL410 reduces BOM cost by approximately 20 percent while meeting throughput needs for sub-100-node homes.
Được đề xuất
Industrial HMI Panel (Operator Interface)
Industrial HMIs combine a segmented LCD with pushbuttons, encoders, and serial communication to industrial PLCs. The PIC24FJ256GL410T-I/PT drives a 4-mux or 8-mux LCD directly via its integrated controller with on-chip charge pump, while its 86 I/O handle key matrices and rotary encoders. UART/SPI/I2C peripherals connect to PLCs and sensors. The -I grade (-40 to +85 C) covers most factory environments, and the AEC-Q100 qualification on related variants makes the GL410 suitable for harsh cabinets. The 32 KB RAM supports a real-time menu stack without external memory.
Được đề xuất
Medical Monitoring Device (Patient Thermometer, BP Monitor)
The PIC24FJ256GL410T-I/PT serves medical monitors by combining a low-power 16-bit ADC with an LCD for patient readings and a USB port for clinic-side data export. The 2.0 to 3.6 V supply accepts two AA cells, the integrated LCD removes a driver IC, and AEC-Q100 qualification on the family provides automotive-grade reliability useful for hospital-cart equipment. The 32 KB RAM buffers measurement history before upload, and the 256 KB Flash stores both application and USB stack. Compared with discrete ADC + LCD + USB designs, the GL410 reduces PCB area by roughly 30 percent.
Được đề xuất
USB-Connected Data Logger / Field Recorder
Field data loggers store sensor samples to internal Flash and offload via USB when plugged into a PC. The PIC24FJ256GL410T-I/PT supplies full-speed USB 2.0 for drag-and-drop file access without external bridge chips, 256 KB Flash for up to 256 KB of log storage, and a 12-bit ADC for analog sensor inputs. The Dual-Partition Flash architecture enables firmware upgrades via USB mass storage emulation while logs remain intact. Sleep currents in the microamp range let the logger idle for years on AA cells. The 86 I/O accommodate multiple sensor channels plus an SD card interface.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FJ256GL410T-I/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 | PIC24FJ256GL410-I/PT | PIC24FJ256GL410-E/PT | PIC24FJ128GL410T-I/PT | PIC24FJ256GL408T-I/PT | PIC24FJ256GL408-I/PT | PIC24FJ256GL408-E/PT |
|---|---|---|---|---|---|---|---|
| Package | 100-TQFP (12x12 mm) | 100-TQFP (12x12) - same | 100-TQFP (12x12) - same | 100-TQFP (12x12) - same | 100-TQFP (12x12) - same | 100-TQFP (12x12) - same | 100-TQFP (12x12) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 256 KB | 256 KB | 256 KB | 128 KB (-50%) | 256 KB | 256 KB | 256 KB |
| Temperature Grade | -40 to +85 C (Industrial "I") | -40 to +85 C (Industrial) | -40 to +125 C (Extended) | -40 to +85 C (Industrial) | -40 to +85 C (Industrial) | -40 to +85 C (Industrial) | -40 to +125 C (Extended) |
| Packaging | Tape & Reel (T suffix) | Tray (no -T) | Tray (no -T) | Tape & Reel | Tape & Reel | Tray | Tray |
| USB | Full-speed USB 2.0 OTG | Full-speed USB 2.0 OTG | Full-speed USB 2.0 OTG | Full-speed USB 2.0 OTG | Full-speed USB 2.0 OTG | Full-speed USB 2.0 OTG | Full-speed USB 2.0 OTG |
| LCD Controller | Integrated segmented LCD | Integrated segmented LCD | Integrated segmented LCD | Integrated segmented LCD | Integrated (smaller) | Integrated (smaller) | Integrated (smaller) |
| Supply Voltage | 2.0 to 3.6 V | 2.0 to 3.6 V | 2.0 to 3.6 V | 2.0 to 3.6 V | 2.0 to 3.6 V | 2.0 to 3.6 V | 2.0 to 3.6 V |
| AEC-Q100 | AEC-Q100 qualified | AEC-Q100 qualified | AEC-Q100 qualified | AEC-Q100 qualified | AEC-Q100 qualified | AEC-Q100 qualified | AEC-Q100 qualified |
Bảo phân biệt quan trọng
- Dual-Partition Flash with OTA support (vsPIC24FJ128GL410T-I/PT)
- Industrial temperature range and tape-and-reel packaging (vsPIC24FJ256GL410-I/PT)
- Extended temperature range for harsh environments (vsPIC24FJ256GL410-E/PT)
- More LCD commons and I/O than GL408 (vsPIC24FJ256GL408T-I/PT)
Ghi chú thiết kế
Place a 0.1 uF ceramic decoupling capacitor within 5 mm of every VDD and AVDD pin, and add a bulk 10 uF tantalum or ceramic cap near the device. The PIC24FJ256GL410T-I/PT draws fast transient currents during Flash programming and USB transactions; insufficient decoupling causes voltage droops that trigger brown-out resets. For USB bus-powered designs, add a 4.7 uF capacitor on VBUS per the USB specification. Estimated: at 32 MHz / 16 MIPS the core current peaks around 15 mA per the family datasheet, so decoupling must handle sub-microsecond transients.
Route USB DP and DM as a 90-ohm differential pair with length-matched traces (delta < 2 mm) on the top layer over a continuous ground plane. Keep the pair away from switching nodes and clock traces to meet USB 2.0 full-speed signal-integrity masks. Per the Microchip USB design checklist, the D+/D- traces should be no longer than approximately 50 mm on a 4-layer FR-4 stackup. Place the 15 kohm pull-up resistor on D+ close to the MCU pin.
Do not omit the MCLR pull-up resistor (typically 10 kohm to VDD); without it the device may randomly enter reset state from noise. Configure the JTAG/PGECx/PGEDx pins as analog or digital I/O after programming to free them for use, or leave them disconnected if not used. Avoid driving the VBUS pin above 5.5 V; the USB transceiver is 5 V tolerant but absolute maximum ratings must be respected. For OTA updates via Dual-Partition Flash, always implement a fail-safe bootloader in a protected Flash region to recover from power loss during reprogramming.
The PIC24FJ256GL410T-I/PT is a low-power CMOS MCU with typical active currents around 10 to 20 mA at 16 MIPS, so thermal management is rarely a concern. However, in sealed enclosures above 70 C ambient, derate the CPU speed using the internal oscillator to keep junction temperature below 125 C. Estimated: at 20 mA active current and 3.3 V supply, power dissipation is approximately 66 mW, and the 100-TQFP theta_JA of approximately 50 C/W yields a junction rise of only 3 C above ambient - well within safe limits.
The segmented LCD driver uses charge-pump-generated bias voltages; route the LCDBIAS0/1/2 pins to dedicated filter capacitors (typically 0.1 uF) close to the MCU. Long LCD traces act as antennas and can couple noise into adjacent analog signals; guard the LCD segment lines with ground traces or keep them on an inner layer separated by ground. Per the PIC24FJ GL4 datasheet, the integrated charge pump requires a 1 uF reservoir capacitor on the LCD bias rail for stable contrast across temperature.
Thông tin tuân thủ
AEC-Q100 qualified per the verified onlinecomponents.com datasheet description and Microchip product page. RoHS compliant, lead-free, halogen-free per Microchip packaging specifications.
