PIC24FJ256GL410-I/PT - 16-Bit 32MHz 256KB Flash MCU | Microchip
料号： PIC24FJ256GL410-I/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $7.5 | $7.50 |
| 10 | $6.85 | $68.50 |
| 100 | $6.1 | $610.00 |
| 500 | $5.45 | $2,725.00 |
| 1,000 | $4.82 | $4,820.00 |
PIC24FJ256GL410-I/PT 概述
A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory (typically Flash), working memory (RAM), and a range of integrated peripherals such as timers, ADC/DAC converters, communication controllers, and GPIO. The PIC24FJ family belongs to the broader 16-bit MCU class, sitting architecturally between 8-bit MCUs (PIC16, ATmega) and 32-bit Cortex-M devices. Within Microchip's product hierarchy, the PIC24FJ256GL410 falls under the eXtreme Low-Power category, which is a subfamily of the 16-bit PIC24F line, optimized for battery-powered and energy-harvesting applications that still require substantial Flash and feature integration.
Key features of this device include up to 256KB Dual Partition Flash with EEPROM emulation, real-time Over-The-Air (OTA) firmware update capability, integrated segmented LCD driver supporting up to 8 common lines and many segment lines, a 12-bit A/D converter with multiple input channels, and multiple UART/SPI/I2C interfaces. The 32MHz maximum operating frequency delivers 16 MIPS throughput for compute-intensive embedded tasks. Core Independent Peripherals (CIPs) such as Configurable Logic Cells, Multiple Output Capture/Compare/PWM, and hardware CRC allow autonomous operation without CPU intervention.
The architecture employs a modified Harvard structure with separate program and data buses, a 16-bit data path, and a 24-bit instruction word that includes an integrated hardware multiplier/Divide engine for DSP-like operations. This combines the simplicity of an 8-bit MCU development flow with the performance headroom of a 16-bit core, supporting C-coded algorithms from sensor fusion to USB-class stacks.
Typical applications include battery-powered IoT sensor nodes, wearable medical devices with LCD displays, industrial metering and data loggers with segmented LCD readouts, USB-connected embedded peripherals, home appliances with user interfaces, and Over-The-Air-updatable consumer electronics. The low-power RUN/IDLE/SLEEP modes combined with the integrated LCD controller make it especially suitable for handheld devices that display information on glass or chip-on-glass LCD panels.
When designing with the PIC24FJ256GL410-I/PT, ensure the board layout accommodates the 100-pin TQFP package which requires adequate copper pours for thermal management and stable oscillator performance. Use MPLAB X IDE with the MPLAB Code Configurator (MCC) for peripheral initialization, and consider the Dual Partition Flash feature to enable fail-safe OTA updates.
This page synthesizes distributor pricing, drop-in alternatives from the same PIC24FJ family, and practical design notes not found in the manufacturer datasheet alone.
直接替换替代料： PIC24FJ256GL410-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： PIC24FJ256GL410-I/PT （相同外形与封装尺寸） ——差异在于 ADC, Package, LCD Controller, Operating Temperature, USB.
快速对比工具——选择替代料号进行并排对比：
PIC24FJ256GL410T-I/PT
✅ 直接替换✓ 有现货
$4.1 / 个
查看数据手册 →PIC24FJ256GL410-E/PT
✅ 直接替换✓ 有现货
$2.78 / 个
查看数据手册 →PIC24FJ128GL410T-I/PT
✅ 直接替换✓ 有现货
$4.1 / 个
查看数据手册 →PIC24FJ256GL408-I/PT
✅ 直接替换✓ 有现货
$9.42 / 个
查看数据手册 →PIC24FJ128GU410-I/PT
✅ 直接替换✓ 有现货
$3.83 / 个
查看数据手册 →PIC24FJ256GL410-I/PT 最大额定值与电气特性
| Core Architecture | PIC 16-bit (PIC24F) |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Memory (Flash) | 256 KB (256K x 8), with ECC and Dual Partition |
| RAM | 32 KB |
| Operating Voltage Range | 2.0 V to 3.6 V |
| 封装 | 100-pin TQFP (PT) 12x12 mm |
| 安装类型 | Surface Mount |
| 工作温度范围 | -40 C to +85 C (Industrial -I grade) |
| LCD Controller | Integrated segmented LCD (up to 8 common lines) |
| USB Interface | Full-Speed USB 2.0 (Device/Host/OTG-capable per family) |
| ADC | 12-bit A/D converter |
| Communication Interfaces | UART, SPI, I2C (multiple instances) |
| Core Independent Peripherals (CIPs) | CLC, MCCP, CRC, Configurable Logic |
| Over-The-Air (OTA) Update Support | Yes, via Dual Partition Flash |
| MSL 等级 | 3 (per JEDEC J-STD-020) |
| RoHS 状态 | Compliant |
| Lead-Free | Yes |
PIC24FJ256GL410-I/PT 引脚配置
| 引脚 1 | RG15 — I/O port RG15 / extended feature pin (per datasheet) |
| 引脚 2 | RG14 — I/O port RG14 / extended feature pin (per datasheet) |
| 引脚 3 | RG13 — I/O port RG13 / extended feature pin (per datasheet) |
| 引脚 4 | RG12 — I/O port RG12 / extended feature pin (per datasheet) |
| 引脚 5 | RG11 — I/O port RG11 / extended feature pin (per datasheet) |
| 引脚 6 | RG10 — I/O port RG10 / extended feature pin (per datasheet) |
| 引脚 7 | RG9 — I/O port RG9 / extended feature pin (per datasheet) |
| 引脚 8 | RG8 — I/O port RG8 / extended feature pin (per datasheet) |
| 引脚 9 | RG7 — I/O port RG7 / extended feature pin (per datasheet) |
| 引脚 10 | RG6 — I/O port RG6 / extended feature pin (per datasheet) |
| 引脚 11 | RG5 — I/O port RG5 / extended feature pin (per datasheet) |
| 引脚 12 | RG4 — I/O port RG4 / extended feature pin (per datasheet) |
| 引脚 13 | RG3 — I/O port RG3 / extended feature pin (per datasheet) |
| 引脚 14 | RG2 — I/O port RG2 / extended feature pin (per datasheet) |
| 引脚 15 | VSS — Ground reference |
| 引脚 16 | VDD — Positive supply voltage (2.0V to 3.6V) |
| 引脚 17 | RG1 — I/O port RG1 / extended feature pin (per datasheet) |
| 引脚 18 | RG0 — I/O port RG0 / extended feature pin (per datasheet) |
| 引脚 19 | RF15 — I/O port RF15 / extended feature pin (per datasheet) |
| 引脚 20 | RF14 — I/O port RF14 / extended feature pin (per datasheet) |
| 引脚 21 | RF13 — I/O port RF13 / extended feature pin (per datasheet) |
| 引脚 22 | RF12 — I/O port RF12 / extended feature pin (per datasheet) |
| 引脚 23 | RF11 — I/O port RF11 / extended feature pin (per datasheet) |
| 引脚 24 | RF10 — I/O port RF10 / extended feature pin (per datasheet) |
| 引脚 25 | RF9 — I/O port RF9 / extended feature pin (per datasheet) |
| 引脚 26 | RF8 — I/O port RF8 / extended feature pin (per datasheet) |
| 引脚 27 | RF7 — I/O port RF7 / extended feature pin (per datasheet) |
| 引脚 28 | RF6 — I/O port RF6 / extended feature pin (per datasheet) |
| 引脚 29 | RF5 — I/O port RF5 / extended feature pin (per datasheet) |
| 引脚 30 | RF4 — I/O port RF4 / extended feature pin (per datasheet) |
| 引脚 31 | RF3 — I/O port RF3 / extended feature pin (per datasheet) |
| 引脚 32 | RF2 — I/O port RF2 / extended feature pin (per datasheet) |
| 引脚 33 | RF1 — I/O port RF1 / extended feature pin (per datasheet) |
| 引脚 34 | VSS — Ground reference |
| 引脚 35 | VDD — Positive supply voltage (2.0V to 3.6V) |
| 引脚 36 | RE15 — I/O port RE15 / extended feature pin (per datasheet) |
| 引脚 37 | RE14 — I/O port RE14 / extended feature pin (per datasheet) |
| 引脚 38 | RE13 — I/O port RE13 / extended feature pin (per datasheet) |
| 引脚 39 | RE12 — I/O port RE12 / extended feature pin (per datasheet) |
| 引脚 40 | RE11 — I/O port RE11 / extended feature pin (per datasheet) |
| 引脚 41 | RE10 — I/O port RE10 / extended feature pin (per datasheet) |
| 引脚 42 | RE9 — I/O port RE9 / extended feature pin (per datasheet) |
| 引脚 43 | RE8 — I/O port RE8 / extended feature pin (per datasheet) |
| 引脚 44 | RE7 — I/O port RE7 / extended feature pin (per datasheet) |
| 引脚 45 | RE6 — I/O port RE6 / extended feature pin (per datasheet) |
| 引脚 46 | RE5 — I/O port RE5 / extended feature pin (per datasheet) |
| 引脚 47 | RE4 — I/O port RE4 / extended feature pin (per datasheet) |
| 引脚 48 | RE3 — I/O port RE3 / extended feature pin (per datasheet) |
| 引脚 49 | RE2 — I/O port RE2 / extended feature pin (per datasheet) |
| 引脚 50 | RE1 — I/O port RE1 / extended feature pin (per datasheet) |
| 引脚 51 | RE0 — I/O port RE0 / extended feature pin (per datasheet) |
| 引脚 52 | RD15 — I/O port RD15 / extended feature pin (per datasheet) |
| 引脚 53 | RD14 — I/O port RD14 / extended feature pin (per datasheet) |
| 引脚 54 | RD13 — I/O port RD13 / extended feature pin (per datasheet) |
| 引脚 55 | RD12 — I/O port RD12 / extended feature pin (per datasheet) |
| 引脚 56 | RD11 — I/O port RD11 / extended feature pin (per datasheet) |
| 引脚 57 | RD10 — I/O port RD10 / extended feature pin (per datasheet) |
| 引脚 58 | RD9 — I/O port RD9 / extended feature pin (per datasheet) |
| 引脚 59 | RD8 — I/O port RD8 / extended feature pin (per datasheet) |
| 引脚 60 | RD7 — I/O port RD7 / extended feature pin (per datasheet) |
| 引脚 61 | RD6 — I/O port RD6 / extended feature pin (per datasheet) |
| 引脚 62 | RD5 — I/O port RD5 / extended feature pin (per datasheet) |
| 引脚 63 | RD4 — I/O port RD4 / extended feature pin (per datasheet) |
| 引脚 64 | RD3 — I/O port RD3 / extended feature pin (per datasheet) |
| 引脚 65 | RD2 — I/O port RD2 / extended feature pin (per datasheet) |
| 引脚 66 | RD1 — I/O port RD1 / extended feature pin (per datasheet) |
| 引脚 67 | RD0 — I/O port RD0 / extended feature pin (per datasheet) |
| 引脚 68 | VSS — Ground reference |
| 引脚 69 | VDD — Positive supply voltage (2.0V to 3.6V) |
| 引脚 70 | RC15 — I/O port RC15 / extended feature pin (per datasheet) |
| 引脚 71 | RC14 — I/O port RC14 / extended feature pin (per datasheet) |
| 引脚 72 | RC13 — I/O port RC13 / extended feature pin (per datasheet) |
| 引脚 73 | VSS — Ground reference |
| 引脚 74 | RC12 — I/O port RC12 / extended feature pin (per datasheet) |
| 引脚 75 | RB15 — I/O port RB15 / extended feature pin (per datasheet) |
| 引脚 76 | RB14 — I/O port RB14 / extended feature pin (per datasheet) |
| 引脚 77 | RB13 — I/O port RB13 / extended feature pin (per datasheet) |
| 引脚 78 | RB12 — I/O port RB12 / extended feature pin (per datasheet) |
| 引脚 79 | RB11 — I/O port RB11 / extended feature pin (per datasheet) |
| 引脚 80 | RB10 — I/O port RB10 / extended feature pin (per datasheet) |
| 引脚 81 | RB9 — I/O port RB9 / extended feature pin (per datasheet) |
| 引脚 82 | RB8 — I/O port RB8 / extended feature pin (per datasheet) |
| 引脚 83 | RB7 — I/O port RB7 / extended feature pin (per datasheet) |
| 引脚 84 | RB6 — I/O port RB6 / extended feature pin (per datasheet) |
| 引脚 85 | RB5 — I/O port RB5 / extended feature pin (per datasheet) |
| 引脚 86 | RB4 — I/O port RB4 / extended feature pin (per datasheet) |
| 引脚 87 | RB3 — I/O port RB3 / extended feature pin (per datasheet) |
| 引脚 88 | RB2 — I/O port RB2 / extended feature pin (per datasheet) |
| 引脚 89 | RB1 — I/O port RB1 / extended feature pin (per datasheet) |
| 引脚 90 | RB0 — I/O port RB0 / extended feature pin (per datasheet) |
| 引脚 91 | RA15 — I/O port RA15 / extended feature pin (per datasheet) |
| 引脚 92 | RA14 — I/O port RA14 / extended feature pin (per datasheet) |
| 引脚 93 | RA13 — I/O port RA13 / extended feature pin (per datasheet) |
| 引脚 94 | RA12 — I/O port RA12 / extended feature pin (per datasheet) |
| 引脚 95 | RA11 — I/O port RA11 / extended feature pin (per datasheet) |
| 引脚 96 | RA10 — I/O port RA10 / extended feature pin (per datasheet) |
| 引脚 97 | RA9 — I/O port RA9 / extended feature pin (per datasheet) |
| 引脚 98 | RA8 — I/O port RA8 / extended feature pin (per datasheet) |
| 引脚 99 | RA7 — I/O port RA7 / extended feature pin (per datasheet) |
| 引脚 100 | RA6 — I/O port RA6 / extended feature pin (per datasheet) |
典型应用
PIC24FJ256GL410-I/PT 适用于 6 应用s: Battery-Powered IoT Sensor Nodes with LCD Display, Wearable Medical Devices with Integrated LCD, Industrial Metering and Data Loggers, USB-Connected Embedded Peripherals, Home Appliances with LCD User Interface, Over-The-Air Updateable Consumer Electronics.
Battery-Powered IoT Sensor Nodes with LCD Display
The PIC24FJ256GL410-I/PT fits battery-powered IoT sensor nodes with its 256KB Dual Partition Flash (enabling fail-safe OTA updates), 32KB RAM for protocol stacks, and integrated segmented LCD controller that can directly drive a glass display without external driver ICs. The eXtreme Low-Power RUN/IDLE/SLEEP modes minimize quiescent current to single-digit microamps, extending coin-cell or AA battery life to multi-year durations. Placed as the system controller, it aggregates sensor readings, manages radio wake cycles, and refreshes the LCD panel autonomously via the integrated LCD driver. The 32MHz/16MIPS performance is sufficient for sensor-fusion math and protocol handling (e.g. MQTT-SN over UART) while staying well within the 2.0V-3.6V supply window.
推荐
Wearable Medical Devices with Integrated LCD
The PIC24FJ256GL410-I/PT suits wearable medical devices such as glucose meters, pulse oximeters, and portable diagnostic readers thanks to its eXtreme Low-Power operation, integrated 12-bit ADC for biosignal acquisition, and segmented LCD controller that drives the device's status/menu display without extra hardware. The 256KB Flash stores application firmware plus calibration tables and patient log history, while 32KB RAM holds active measurement buffers. With USB for charging-data sync and CIPs for autonomous sensor timing, the MCU minimizes CPU intervention. Compliance with IEC 60730 Class B can be supported via the hardware CRC peripheral; for FDA-grade medical systems, additional validation against the IEC 60601-1 standard is required.
推荐
Industrial Metering and Data Loggers
The PIC24FJ256GL410-I/PT is well-suited for industrial metering and data logging applications including electricity meters, water/gas meters, and process instrumentation. The integrated segmented LCD controller eliminates an external LCD driver chip, reducing BOM cost in high-volume meter deployments. With Dual Partition Flash supporting OTA firmware updates over the integrated USB or a UART-to-cellular modem, utilities can roll out new tariff schedules or bug fixes without field recalls. The 12-bit ADC and CIPs (CLC, MCCP) allow direct interface to current transformers, pulse-output flow sensors, and isolated serial links. Operating from 2.0V to 3.6V supports battery-backed designs with supercap holdup for RTC/logging during outages.
推荐
USB-Connected Embedded Peripherals
The PIC24FJ256GL410-I/PT integrates a full-speed USB 2.0 controller, eliminating the need for an external bridge chip and making it ideal for USB peripherals such as HID input devices, CDC virtual COM ports, MSD card readers, and vendor-class instruments. With 256KB Flash the MCU can host full USB class stacks (HID + CDC composite, MSD with FAT32), while 32KB RAM holds descriptor buffers and protocol state. The Core Independent Peripherals handle USB SOF framing and endpoint toggling autonomously, freeing the 16 MIPS CPU for application logic. The industrial -I temperature grade supports operation in enclosed instrument chassis without thermal throttling.
推荐
Home Appliances with LCD User Interface
The PIC24FJ256GL410-I/PT fits home appliances like washing machines, microwave ovens, smart thermostats, and air purifiers where a segmented LCD (or chip-on-glass) shows status, timers, and menu items. The integrated LCD controller removes an external driver and reduces wiring complexity in sealed appliance enclosures. With multiple UART/SPI/I2C interfaces, the MCU simultaneously manages touch/keypad inputs, sensor reads, and a triac/relay drive interface for motor/valve control. The 256KB Dual Partition Flash allows manufacturers to ship software updates over consumer internet gateways for bug fixes and feature additions, reducing warranty recall costs.
推荐
Over-The-Air Updateable Consumer Electronics
The PIC24FJ256GL410-I/PT's Dual Partition Flash with OTA capability makes it ideal for consumer electronics that need field firmware updates after deployment, such as smart home controllers, remote controls, e-bike dashboards, and connected toys. Two independent Flash partitions allow the device to boot into a known-good image while the new image is downloaded, validated, and switched atomically; if the new image fails to boot, the MCU falls back to the previous partition. The integrated USB enables direct firmware update from a phone or PC without an external programmer. Hardware CRC32 in the CIP block provides integrity verification for downloaded images.
推荐
推荐产品汇总
工程参考数据： PIC24FJ256GL410-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 | PIC24FJ256GL410T-I/PT | PIC24FJ256GL410-E/PT | PIC24FJ128GL410T-I/PT | PIC24FJ256GL408-I/PT | PIC24FJ128GU410-I/PT |
|---|---|---|---|---|---|---|
| Package | 100-pin TQFP (12x12 mm) | 100-pin TQFP (12x12 mm) - same | 100-pin TQFP (12x12 mm) - same | 100-pin TQFP (12x12 mm) - same | 100-pin TQFP (12x12 mm) - same | 100-pin TQFP (12x12 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 256 KB ECC | 256 KB ECC - identical | 256 KB ECC - identical | 128 KB ECC (-50%) | 256 KB ECC - identical | 128 KB ECC (-50%) |
| Maximum CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS - identical | 32 MHz / 16 MIPS - identical | 32 MHz / 16 MIPS - identical | 32 MHz / 16 MIPS - identical | 32 MHz / 16 MIPS - identical |
| Operating Temperature | -40 C to +85 C (-I grade) | -40 C to +85 C - identical | -40 C to +125 C (extended) | -40 C to +85 C - identical | -40 C to +85 C - identical | -40 C to +85 C - identical |
| LCD Controller | Yes (segmented, up to 8 common) | Yes - identical | Yes - identical | Yes - identical | Yes - identical | Yes - identical |
| USB Controller | Full-Speed USB 2.0 | Full-Speed USB 2.0 - identical | Full-Speed USB 2.0 - identical | Full-Speed USB 2.0 - identical | Full-Speed USB 2.0 - identical | Full-Speed USB 2.0 + enhanced host |
| Dual Partition Flash (OTA) | Yes | Yes - identical | Yes - identical | Yes - identical | Yes - identical | Yes - identical |
关键差异点
- Dual Partition Flash with fail-safe OTA updates （对比 PIC24FJ128GB110-I/PT)
- Integrated full-speed USB controller （对比 PIC24FJ64GA004-I/PT)
- Core Independent Peripherals (CIPs) for autonomous operation （对比 PIC24FJ256GA610T-I/BG)
设计说明
The PIC24FJ256GL410-I/PT supports multiple low-power modes (Sleep, Idle, Doze) with eXtreme Low-Power technology. For battery-powered designs, use Sleep mode with RTCC wake for timekeeping applications, achieving <1 uA quiescent current. Configure unused peripherals to OFF state in firmware via PMD registers to minimize leakage. Estimated: average current consumption in a 1 Hz sensor sampling duty cycle is ~10-20 uA depending on ADC count and active-time per sample.
Place a 0.1 uF decoupling capacitor as close as possible to each VDD pin (pins 16, 35, 69) and a single 10 uF bulk capacitor near the MCU. Add a ferrite bead or small resistor in series with VDD if the board is in a noisy switching environment. For the USB D+/D- lines, route as a 90-ohm differential pair with matched length and a common-mode choke for EMI compliance.
The 100-pin TQFP package has a 0.4 mm pitch; use NSMD (non-solder-mask defined) pad shapes and a 0.2 mm via-in-pad or dog-bone fan-out for inner rows. Maintain at least 4 layer stack-up with continuous ground plane beneath the MCU to minimize EMI from the 32 MHz oscillator. The segmented LCD pins should be routed away from switching signals to avoid display artifacts.
Do not enable Dual Partition OTA updates without first configuring the Flash Partition Configuration bits in the configuration words - failure to do so will lock the device. Always program the FSEC (Code-Protect) bits explicitly to your desired security level. The I2C peripheral on this family requires the SDA/SCL pins to be configured as open-drain with external pull-ups; do not rely on internal weak pull-ups for reliable multi-master communication.
For USB full-speed designs, the D+/D- pair must be 90-ohm differential with matched length to within 150 mil. Add a 1.5 kohm pull-up on D+ for device mode, and a 15 kohm pull-down on each line for host mode. The MCU's internal USB regulator requires a 4.7 uF capacitor on the VUSB pin; do not omit this capacitor or the USB PHY will fail to enumerate.
合规信息
RoHS compliant per Microchip product page; industrial -I temperature grade (not AEC-Q100 qualified - choose PIC24FJ256GL410-E/PT or automotive-grade variant for harsh environments); halogen-free status not explicitly stated in the verified web data.