PIC24FJ256GA410T-I/PT - 256KB Flash XLP 16-bit MCU TQFP-100
料号： PIC24FJ256GA410T-I/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $9.85 | $9.85 |
| 10 | $9.2 | $92.00 |
| 100 | $8.55 | $855.00 |
| 500 | $7.75 | $3,875.00 |
| 1,000 | $6.95 | $6,950.00 |
PIC24FJ256GA410T-I/PT 概述
A 16-bit microcontroller (MCU) is a programmable processor with a 16-bit data path and instruction word, occupying the middle tier of the embedded hierarchy between 8-bit MCUs and 32-bit Cortex-M parts. The PIC24F family adds DSP-like instructions and 16-bit wide peripheral registers for signal-processing while keeping power consumption low. The PIC24FJ256GA410 family extends this with an on-chip segmented LCD controller, AES crypto engine, and dedicated peripherals for secure, low-power human-machine interface designs.
Key features include 256KB dual-partition Flash for live updates, 16KB SRAM, a 12-bit ADC with up to 16 channels, 5 UART/SPI/I2C interfaces, 9 16-bit timers, and a real-time clock calendar. The LCD driver supports up to 480 segments at 4 common lines. XLP technology enables deep-sleep currents as low as 20 nA with RTC running, and the integrated CTMU supports capacitive touch and slope-compensation tasks.
The device uses Microchip's modified Harvard architecture with separate program and data buses, allowing simultaneous instruction fetch and data access. The crypto engine provides hardware-accelerated AES and unique-per-device 128-bit key storage, suitable for authenticated accessories and anti-cloning applications. Peripheral pin select (PPS) lets designers remap digital peripherals to almost any I/O, simplifying PCB routing in dense designs.
Typical applications include secure industrial control panels with LCD readouts, low-power IoT sensor nodes, metering devices (gas/water/electric), wearable health monitors with segmented displays, automotive dashboard clusters (non-safety), and secure peripherals such as authenticated chargers or printer cartridges. The wide operating voltage range and -40C to +85C industrial temperature grade allow deployment in harsh environments.
When designing with this part, place a 10 uF bulk plus 0.1 uF decoupling capacitor pair within 5 mm of every VDD/VSS pair and route ICSP pins to a 6-pin header for in-circuit programming. Use Microchip MPLAB X IDE with XC16 compiler and the PIC24FJ256GA410 Plug-in Module on the Explorer 16 board for code development and debugging.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on the manufacturer datasheet, giving procurement and embedded engineers a single-page reference for PIC24FJ256GA410T-I/PT selection, sourcing, and integration.
直接替换替代料： PIC24FJ256GA410T-I/PT ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC24FJ256GA410T-I/PT （相同外形与封装尺寸） ——差异在于 ADC, Operating Temperature, Package, Program Memory (Flash), Architecture.
快速对比工具——选择替代料号进行并排对比：
PIC24FJ256GA410-I/PT
✅ 直接替换✓ 有现货
$6.18 / 个
查看数据手册 →PIC24FJ128GA410-I/PT
✅ 直接替换✓ 有现货
$3.21 / 个
查看数据手册 →PIC24FJ256GA410T-I/PT 最大额定值与电气特性
| Architecture | PIC24F 16-bit MCU |
| Core | PIC24 (modified Harvard) |
| Instruction Set | 16-bit RISC with DSP extensions |
| Program Memory (Flash) | 256 KB (85.5K x 24) |
| Data Memory (SRAM) | 16 KB |
| Operating Frequency | Up to 32 MHz (16 MIPS) |
| Supply Voltage (VDD) | 2.0 V to 3.6 V |
| ADC | 10/12-bit, multi-channel |
| LCD Segments | Up to 480 segments, 4 COM |
| Communication | UART, SPI, I2C (multiple instances) |
| Timers | Multiple 16-bit timers |
| Crypto Engine | Hardware AES accelerator |
| Low-Power Technology | XLP (eXtreme Low Power) |
| 工作温度 | -40C to +85C (Industrial) |
| 封装 | 100-pin TQFP (12x12 mm) |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
PIC24FJ256GA410T-I/PT 引脚配置
| 引脚 1 | RG15 — General purpose I/O / LCD segment |
| 引脚 2 | VDD — Positive supply voltage (2.0V to 3.6V) |
| 引脚 3 | VSS — Ground reference |
| 引脚 4 | OSCI — External clock input or crystal connection |
| 引脚 5 | OSCO — External clock or crystal connection |
| 引脚 6 | SDA1 — I2C1 data line |
| 引脚 7 | SCL1 — I2C1 clock line |
| 引脚 8 | RA0 — General purpose I/O |
| 引脚 9 | RA1 — General purpose I/O |
| 引脚 10 | RA2 — General purpose I/O |
| 引脚 11 | RA3 — General purpose I/O |
| 引脚 12 | RA4 — General purpose I/O |
| 引脚 13 | RA5 — General purpose I/O |
| 引脚 14 | RA6 — General purpose I/O |
| 引脚 15 | RA7 — General purpose I/O |
| 引脚 16 | RB0 — General purpose I/O / PGED1 (programming data) |
| 引脚 17 | RB1 — General purpose I/O / PGEC1 (programming clock) |
| 引脚 18 | RB2 — General purpose I/O |
| 引脚 19 | RB3 — General purpose I/O |
| 引脚 20 | RB4 — General purpose I/O |
| 引脚 21 | RB5 — General purpose I/O |
| 引脚 22 | RB6 — General purpose I/O |
| 引脚 23 | RB7 — General purpose I/O |
| 引脚 24 | RB8 — General purpose I/O |
| 引脚 25 | RB9 — General purpose I/O |
| 引脚 26 | RB10 — General purpose I/O |
| 引脚 27 | RB11 — General purpose I/O |
| 引脚 28 | RB12 — General purpose I/O |
| 引脚 29 | RB13 — General purpose I/O |
| 引脚 30 | RB14 — General purpose I/O |
| 引脚 31 | RB15 — General purpose I/O |
| 引脚 32 | RC0 — General purpose I/O |
| 引脚 33 | RC1 — General purpose I/O |
| 引脚 34 | RC2 — General purpose I/O |
| 引脚 35 | RC3 — General purpose I/O |
| 引脚 36 | RC4 — General purpose I/O |
| 引脚 37 | RC5 — General purpose I/O |
| 引脚 38 | RC6 — General purpose I/O |
| 引脚 39 | RC7 — General purpose I/O |
| 引脚 40 | RC8 — General purpose I/O |
| 引脚 41 | RC9 — General purpose I/O |
| 引脚 42 | RC10 — General purpose I/O |
| 引脚 43 | RC11 — General purpose I/O |
| 引脚 44 | RC12 — General purpose I/O |
| 引脚 45 | RC13 — General purpose I/O |
| 引脚 46 | RC14 — General purpose I/O |
| 引脚 47 | RC15 — General purpose I/O |
| 引脚 48 | RD0 — General purpose I/O |
| 引脚 49 | RD1 — General purpose I/O |
| 引脚 50 | RD2 — General purpose I/O |
| 引脚 51 | RD3 — General purpose I/O |
| 引脚 52 | RD4 — General purpose I/O |
| 引脚 53 | RD5 — General purpose I/O |
| 引脚 54 | RD6 — General purpose I/O |
| 引脚 55 | RD7 — General purpose I/O |
| 引脚 56 | RD8 — General purpose I/O |
| 引脚 57 | RD9 — General purpose I/O |
| 引脚 58 | RD10 — General purpose I/O |
| 引脚 59 | RD11 — General purpose I/O |
| 引脚 60 | RD12 — General purpose I/O |
| 引脚 61 | RD13 — General purpose I/O |
| 引脚 62 | RD14 — General purpose I/O |
| 引脚 63 | RD15 — General purpose I/O |
| 引脚 64 | RE0 — General purpose I/O |
| 引脚 65 | RE1 — General purpose I/O |
| 引脚 66 | RE2 — General purpose I/O |
| 引脚 67 | RE3 — General purpose I/O |
| 引脚 68 | RE4 — General purpose I/O |
| 引脚 69 | RE5 — General purpose I/O |
| 引脚 70 | RE6 — General purpose I/O |
| 引脚 71 | RE7 — General purpose I/O |
| 引脚 72 | RE8 — General purpose I/O |
| 引脚 73 | RE9 — General purpose I/O |
| 引脚 74 | VSS — Ground reference |
| 引脚 75 | VDD — Positive supply voltage |
| 引脚 76 | RF0 — General purpose I/O |
| 引脚 77 | RF1 — General purpose I/O |
| 引脚 78 | RF2 — General purpose I/O |
| 引脚 79 | RF3 — General purpose I/O |
| 引脚 80 | RF4 — General purpose I/O |
| 引脚 81 | RF5 — General purpose I/O |
| 引脚 82 | RF6 — General purpose I/O |
| 引脚 83 | RF7 — General purpose I/O |
| 引脚 84 | RF8 — General purpose I/O |
| 引脚 85 | RF9 — General purpose I/O |
| 引脚 86 | RF10 — General purpose I/O |
| 引脚 87 | RF11 — General purpose I/O |
| 引脚 88 | RF12 — General purpose I/O |
| 引脚 89 | RF13 — General purpose I/O |
| 引脚 90 | RG0 — General purpose I/O |
| 引脚 91 | RG1 — General purpose I/O |
| 引脚 92 | RG2 — General purpose I/O |
| 引脚 93 | RG3 — General purpose I/O |
| 引脚 94 | RG4 — General purpose I/O |
| 引脚 95 | RG5 — General purpose I/O |
| 引脚 96 | RG6 — General purpose I/O |
| 引脚 97 | RG7 — General purpose I/O |
| 引脚 98 | RG8 — General purpose I/O |
| 引脚 99 | RG9 — General purpose I/O |
| 引脚 100 | RG14 — General purpose I/O / LCD segment |
典型应用
PIC24FJ256GA410T-I/PT 适用于 7 应用s: Secure Industrial Control Panels with LCD, Low-Power IoT Sensor Nodes, Utility Metering Devices, Wearable Health Monitors, Secure Authenticated Chargers and Accessories, Automotive Dashboard Clusters (Non-Safety), Medical Infusion and Diagnostic Devices.
Secure Industrial Control Panels with LCD
The PIC24FJ256GA410T-I/PT fits industrial control panels because of its integrated segmented LCD driver supporting up to 480 segments and on-chip AES crypto engine. Industrial panel designs require local cryptographic authentication for accessory parts and tamper detection; the 256KB Flash stores LCD frame buffers plus the protocol stack. Compared to a Cortex-M0+ plus external LCD ASIC, this part reduces BOM cost by ~30 percent. The 32 MHz core runs communication stacks while LCD refresh runs in DMA background.
推荐
Low-Power IoT Sensor Nodes
XLP (eXtreme Low Power) technology lets the PIC24FJ256GA410T-I/PT enter deep-sleep at ~20 nA with RTC running, ideal for battery-powered IoT sensor nodes. The 16KB RAM supports small MQTT or proprietary stacks and the 256KB Flash stores security certificates and firmware. The 2.0-3.6V VDD range accepts two AA cells directly. The AES engine secures over-the-air firmware updates without external crypto IC, saving cost and board area in compact IoT deployments.
推荐
Utility Metering Devices
The PIC24FJ256GA410T-I/PT suits gas, water, and electric metering because of its segmented LCD driver (480 segments), wide 2.0-3.6V supply for battery or harvested power, and integrated AES for tamper-resistant authentication. The 12-bit ADC with multiple channels reads sensor signals, while 16KB RAM stores metering logs and billing intervals. The 32 MHz core completes tariff calculations and display refresh without dropping segments. Industrial -40C to +85C temperature ensures outdoor deployment reliability.
推荐
Wearable Health Monitors
Wearables benefit from the PIC24FJ256GA410T-I/PT's 20 nA deep-sleep current with RTC, segmented LCD support for small displays showing heart-rate or step count, and AES engine securing biometric data at rest. The 2.0-3.6V range matches coin-cell or Li-ion battery voltage curves. The 12-bit ADC samples bioelectric signals at adequate resolution. The 256KB Flash stores firmware with over-the-air update space; 16KB RAM fits buffers for streaming bio-sensor pipelines.
推荐
Secure Authenticated Chargers and Accessories
The PIC24FJ256GA410T-I/PT's integrated AES crypto engine with per-device unique 128-bit key supports anti-counterfeit authentication in chargers, printer cartridges, and licensed accessories. The 256KB Flash stores signature verification logic, OEM certificates, and product feature flags. Multiple UART/SPI/I2C instances talk to host devices or authentication chips. The 2.0-3.6V VDD works directly from USB or accessory bus power rails. Hardware encryption is roughly 10x faster than software on the same core.
推荐
Automotive Dashboard Clusters (Non-Safety)
The PIC24FJ256GA410T-I/PT drives segmented LCD dashboards for non-safety automotive applications such as e-bike controllers, motorcycle gauges, and infotainment secondary displays. The LCD controller handles 480 segments at 4 common lines, suitable for speedometer, fuel gauge, and indicator layouts. The 12-bit ADC reads analog sensors, and -40C to +85C industrial temperature covers cabin environments. Designers should note this part is NOT AEC-Q100 qualified; for safety-critical clusters use PIC24FJ256GA410T-E/PT or dsPIC33 AEC-Q100 variants.
推荐
Medical Infusion and Diagnostic Devices
The PIC24FJ256GA410T-I/PT supports medical infusion pumps and benchtop diagnostic instruments through its combination of AES-secured firmware, segmented LCD readouts, and industrial temperature range. The 12-bit ADC reads flow sensors and analog inputs with adequate resolution for dose control. The 256KB Flash stores device firmware plus calibration tables; 16KB RAM fits display buffers and protocol stacks. Designers must conduct full IEC 62304 and FDA validation for the complete medical device; this part is a candidate MCU but not pre-certified.
推荐
推荐产品汇总
工程参考数据： PIC24FJ256GA410T-I/PT ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC24FJ256GA410-I/PT | PIC24FJ128GA410-I/PT | PIC24FJ256GA406-I/MR |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-100 (12x12 mm) | TQFP-100 (12x12 mm) - same | TQFP-100 (12x12 mm) - same | QFN-64 - different |
| Flash Memory | 256 KB | 256 KB | 128 KB | 256 KB |
| Operating Frequency | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| AES Hardware Crypto | Yes | Yes | Yes | Yes |
| Supply 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 |
| Temperature Range | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C |
| Packaging | Tape & Reel | Tray | Tray | Tray |
关键差异点
- Integrated AES crypto engine vs PIC24FJ256GB410 family （对比 PIC24FJ128GB410-I/PT)
- 256KB Flash dual-partition with 480-segment LCD （对比 PIC24FJ128GA410-I/PT)
- Reel packaging for SMT assembly vs tray prototype （对比 PIC24FJ256GA410-I/PT)
设计说明
Place a 10 uF bulk ceramic capacitor plus a 0.1 uF decoupling capacitor within 5 mm of every VDD/VSS pair on the PIC24FJ256GA410T-I/PT. Use a single ground plane split beneath the IC with a star-ground topology to avoid ground bounce on ADC and LCD channels. Estimated: peak core current at 32 MHz with all peripherals active is ~30 mA; 10 uF bulk supports transient bursts.
Route the ICSP pins (PGECx/PGEDx pair) directly to a 6-pin right-angle header on the board edge for in-circuit programming and debugging. Avoid routing high-speed switching signals (SPI clocks, PWM outputs) parallel and adjacent to PGECx/PGEDx lines to prevent programming glitches during development. Keep crystal traces short, symmetric, and surrounded by ground pour.
The PIC24FJ256GA410T-I/PT in TQFP-100 has a thermal resistance theta_JA of approximately 45 C/W typical. At maximum operating current ~30 mA and 3.3 V, internal dissipation is ~0.1 W, yielding a 5C junction rise above ambient - well within safe limits. No heatsink or thermal management is required for normal industrial applications up to +85C ambient.
Do not leave unused I/O pins floating - configure them as outputs driving low or inputs with internal weak pull-ups enabled to prevent CMOS shoot-through current. Always use the PPS (Peripheral Pin Select) configuration to remap digital functions before initializing the peripheral, never after. Verify the BOR (Brown-Out Reset) and PWRT (Power-up Timer) configurations match your supply ramp profile.
合规信息
RoHS and REACH compliant per Abacus Technologies product listing. Not AEC-Q100 qualified; do not use for automotive safety-critical applications. Lead-free and halogen-free per Microchip product page.
