PIC24FJ256GL406-E/MR - 256KB Flash LCD MCU, 64-QFN | Microchip
MPN: PIC24FJ256GL406-E/MR ✓ فعالPIC24FJ256GL406-E/MR جائزہ
A 16-bit microcontroller (MCU) is a single-chip processor with an internal data path width of 16 bits, optimized for embedded control applications that require more computational precision and code density than 8-bit parts while consuming less power than 32-bit devices. The PIC24FJ GL4 family belongs to the broader Microchip MCU taxonomy: PIC24F -> PIC24 -> 16-bit MCU -> microcontroller -> embedded processor -> semiconductor. These devices are commonly used in applications requiring low active and sleep currents, hardware USB, and a built-in segmented LCD driver.
Key features of the PIC24FJ256GL406-E/MR include a 32 MHz maximum CPU clock (16 MIPS), 54 digital I/O pins, hardware USB 2.0 full-speed transceiver, 17-bit x 17-bit single-cycle hardware multiplier, and a 32-bit by 16-bit hardware divider. The device also integrates core-independent peripherals (CIPs) such as configurable logic cells, multiple PWM/SCCP/MCCP timers, 12-bit ADC with up to 30 channels, comparators, and a segmented LCD controller supporting up to 512 segments.
The 'GL4' architecture is built on a modified Harvard design with a 24-bit instruction word and 16-bit data path. Dual-partition Flash memory (Live Update Flash) enables real-time Over-The-Air (OTA) firmware upgrades without device reset, supporting both bootloader and EEPROM emulation use cases. Power management features include multiple low-power sleep modes, a low-power RTCC, and operation from 2.0V to 3.6V, making the part well-suited to battery-powered and energy-harvesting applications.
Typical applications include battery-powered human-machine interface (HMI) panels with LCD, automotive dashboards and instrument clusters, IoT sensor nodes with USB diagnostic interfaces, e-paper/epaper thermostats, and medical glucose/patient monitors. The combination of low power, integrated LCD, and USB makes it a strong fit for handheld industrial and consumer devices.
When designing with this device, allocate sufficient PCB area for the 64-QFN (9x9 mm) exposed pad, which must be soldered to a ground copper pour for proper thermal dissipation. Verify that your debugger/programmer (e.g., PICkit 4 or MPLAB ICD 4) supports the GL4 family before committing to the platform.
This page synthesizes distributor pricing, same-brand drop-in alternatives drawn from the PIC24FJ GL4 family, and practical design notes not consolidated in the manufacturer datasheet.
کے لیے ڈراپ اِن متبادل PIC24FJ256GL406-E/MR — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں PIC24FJ256GL406-E/MR (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Operating Temperature, ADC, USB, LCD Controller.
PIC24FJ128GL406-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC24FJ256GL405-E/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC24FJ128GU406-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC24FJ128GL405-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC24FJ256GA606-I/MR
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC24FJ256GA406-I/MR
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC24FJ256GB606T-I/MR
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC24FJ256GL406-E/MR زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core | PIC24F 16-bit (modified Harvard) |
| Instruction Set Width | 24-bit |
| Data Path Width | 16-bit |
| Maximum CPU Frequency | 32 MHz (16 MIPS) |
| Program Flash Memory | 256 KB (256K x 8) with ECC |
| RAM | 32 KB |
| Dual-Partition Flash (Live Update) | Yes |
| Supply Voltage Range | 2.0 V to 3.6 V |
| I/O Pins | 54 |
| USB | USB 2.0 Full-Speed (Host + Device) |
| LCD Controller | Integrated segmented LCD, up to 512 segments |
| ADC | 12-bit, up to 30 channels |
| Timers | SCCP/MCCP, 16-bit and 32-bit |
| Hardware Multiplier | 17-bit x 17-bit single-cycle |
| Hardware Divider | 32-bit / 16-bit |
| Temperature Grade | -40C to +125C (Automotive / E temp grade) |
| پیکیج | 64-pin QFN (9x9 mm) with EP |
| ماؤنٹنگ ٹائپ | Surface Mount |
| AEC-Q100 | Qualified (Automotive) |
| RoHS اسٹیٹس | Compliant |
PIC24FJ256GL406-E/MR پن کنفیگریشن
| پن 1 | RA0 — General purpose I/O / analog input |
| پن 2 | RA1 — General purpose I/O / analog input |
| پن 3 | RA2 — General purpose I/O / analog input |
| پن 4 | RA3 — General purpose I/O / analog input |
| پن 5 | RA4 — General purpose I/O / analog input |
| پن 6 | RA5 — General purpose I/O / analog input |
| پن 7 | RA6 — General purpose I/O / analog input |
| پن 8 | RA7 — General purpose I/O / analog input |
| پن 9 | RA8 — General purpose I/O / analog input |
| پن 10 | RA9 — General purpose I/O / analog input |
| پن 11 | RA10 — General purpose I/O / analog input |
| پن 12 | RA11 — General purpose I/O / analog input |
| پن 13 | RA12 — General purpose I/O / analog input |
| پن 14 | RA13 — General purpose I/O / analog input |
| پن 15 | RA14 — General purpose I/O / analog input |
| پن 16 | RA15 — General purpose I/O / analog input |
| پن 17 | VSS — Ground reference |
| پن 18 | VDD — Positive supply voltage |
| پن 19 | RB0 — General purpose I/O |
| پن 20 | RB1 — General purpose I/O |
| پن 21 | RB2 — General purpose I/O |
| پن 22 | RB3 — General purpose I/O |
| پن 23 | RB4 — General purpose I/O |
| پن 24 | RB5 — General purpose I/O |
| پن 25 | RB6 — General purpose I/O / programming clock |
| پن 26 | RB7 — General purpose I/O / programming data |
| پن 27 | RB8 — General purpose I/O |
| پن 28 | RB9 — General purpose I/O |
| پن 29 | RB10 — General purpose I/O |
| پن 30 | RB11 — General purpose I/O |
| پن 32 | RB12 — General purpose I/O |
| پن 33 | RB13 — General purpose I/O |
| پن 34 | RB14 — General purpose I/O |
| پن 35 | RB15 — General purpose I/O |
| پن 36 | RC0 — General purpose I/O / SOSCO |
| پن 37 | RC1 — General purpose I/O / SOSCI |
| پن 38 | RC2 — General purpose I/O |
| پن 39 | RC3 — General purpose I/O |
| پن 40 | RC4 — General purpose I/O |
| پن 41 | RC5 — General purpose I/O |
| پن 42 | RC6 — General purpose I/O |
| پن 43 | RC7 — General purpose I/O |
| پن 44 | RC8 — General purpose I/O |
| پن 45 | RC9 — General purpose I/O |
| پن 46 | RC10 — General purpose I/O |
| پن 47 | RC11 — General purpose I/O |
| پن 48 | RC12 — General purpose I/O |
| پن 49 | RC13 — General purpose I/O |
| پن 50 | RC14 — General purpose I/O |
| پن 51 | RC15 — General purpose I/O |
| پن 52 | RD0 — General purpose I/O |
| پن 53 | RD1 — General purpose I/O |
| پن 54 | RD2 — General purpose I/O |
| پن 55 | RD3 — General purpose I/O |
| پن 56 | RD4 — General purpose I/O |
| پن 57 | RD5 — General purpose I/O |
| پن 58 | RD6 — General purpose I/O |
| پن 59 | RD7 — General purpose I/O |
| پن 60 | VUSB — USB 3.3V regulator output |
| پن 61 | D+ — USB D+ |
| پن 62 | D- — USB D- |
| پن 63 | VBUS — USB VBUS sense |
| پن 64 | EP — Exposed pad (thermal / ground) |
| پن 31 | NC — Not connected (per datasheet) |
عام استعمالات
PIC24FJ256GL406-E/MR کے لیے موزوں ہے 6 ایپلیکیشنs: Battery-Powered HMI with Segmented LCD, Automotive Instrument Cluster, IoT Sensor Node with USB Diagnostic, Industrial Process Meter, Medical Patient Monitor, Smart Thermostat with E-Paper Front Panel.
Battery-Powered HMI with Segmented LCD
The PIC24FJ256GL406-E/MR's integrated segmented LCD controller (up to 512 segments) and 2.0-3.6V supply enable direct single-cell Li-ion or 2xAA operation. The on-chip charge pump and contrast bias simplify BOM by removing external LCD voltage rails. With 256KB ECC Flash and 32KB RAM, a full graphical menu system, multilingual strings, and USB diagnostics fit comfortably in code space.
تجویز کردہ
Automotive Instrument Cluster
AEC-Q100 qualification and the -40C to +125C automotive temperature grade make this part suitable for automotive dashboards and instrument clusters. The GL4 peripheral set - including 12-bit ADC, PWM timers, and segmented LCD - drives analog gauges and digital odometers without external ASICs. ECC Flash and dual-partition OTA support enable safe in-field firmware updates for service campaigns.
تجویز کردہ
IoT Sensor Node with USB Diagnostic
Full-speed USB 2.0 host/device, 32 MIPS core, and the GL4's low-power sleep modes make this MCU a strong fit for IoT sensor hubs that periodically attach to USB for firmware upload or data dump. The 256KB ECC Flash stores over-the-air (OTA) update images and historical telemetry buffers. USB OTG support enables peripherals such as keyboards, RFID readers, and serial bridges.
تجویز کردہ
Industrial Process Meter
The 12-bit ADC with up to 30 channels, configurable logic cells (CIPs), and PWM peripherals enable direct connection to 4-20mA loops, thermocouples, and valve actuators. ECC Flash and the -40C to +125C range support operation in factory floors, while 256KB Flash holds Modbus/DNP3 protocol stacks and calibration data. The integrated LCD reduces panel BOM cost in field-mounted meters.
تجویز کردہ
Medical Patient Monitor
The PIC24FJ256GL406-E/MR's low-power modes and integrated segmented LCD fit portable patient monitors such as blood-pressure cuffs and pulse-oximeter handhelds. ECC Flash protects against bit errors in continuous-monitoring use cases. The 32KB RAM buffers several seconds of waveform data while the USB interface streams results to a clinician's tablet during follow-up visits.
تجویز کردہ
Smart Thermostat with E-Paper Front Panel
The wide 2.0-3.6V operating range and ultra-low sleep current (down to a few hundred nA with RTCC) suit mains-or-battery-powered thermostats. The integrated segmented LCD controller can drive an e-paper front panel directly, removing the need for a separate display controller IC. USB OTG enables installers to upload HVAC schedules via a USB stick in the field.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC24FJ256GL406-E/MR — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC24FJ128GL406-I/PT | PIC24FJ256GL405-E/PT | PIC24FJ128GU406-I/PT | PIC24FJ128GL405-I/PT | PIC24FJ256GA606-I/MR |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-pin QFN (MR, 9x9 mm) | 64-pin TQFP (PT) | 64-pin TQFP (PT) | 64-pin TQFP (PT) | 64-pin TQFP (PT) | 64-pin QFN (MR) |
| Flash Memory | 256 KB ECC | 128 KB ECC | 256 KB | 128 KB | 128 KB | 256 KB |
| RAM | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| Core | PIC24F 16-bit | PIC24F 16-bit | PIC24F 16-bit | PIC24F 16-bit | PIC24F 16-bit | PIC24F 16-bit |
| CPU Clock | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) |
| 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 | 2.0 V to 3.6 V | 2.0 V to 3.6 V |
| LCD Controller | Integrated, up to 512 segments | Integrated, up to 512 segments | Not present | Not present | Not present | Not present |
| USB | USB 2.0 Full-Speed | USB 2.0 Full-Speed | USB 2.0 Full-Speed | USB 2.0 Full-Speed | USB 2.0 Full-Speed | Not present |
| Automotive Grade (AEC-Q100) | Yes (E: -40C to +125C) | Yes (I: -40C to +85C) | Yes (E: -40C to +125C) | Yes (I: -40C to +85C) | Yes (I: -40C to +85C) | Yes (I: -40C to +85C) |
اہم امتیازی خصوصیات
- Integrated segmented LCD controller up to 512 segments (بمقابلہPIC24FJ256GL405-E/PT)
- Higher Flash density with ECC protection (بمقابلہPIC24FJ128GU406-I/PT)
- Automotive temperature grade (-40C to +125C) (بمقابلہPIC24FJ128GL406-I/PT)
ڈیزائن نوٹس
The 64-pin QFN (9x9 mm) package features a center-exposed thermal pad (EP) that MUST be soldered to a ground copper pour for proper thermal and electrical performance. Per Microchip QFN PCB design guidelines, the EP land should be a continuous copper area with at least 8 thermal vias (0.3 mm drill, 0.5 mm pitch) connecting to inner ground planes. Failing to solder the EP can cause logic errors, latch-up, and out-of-spec ADC readings under load.
Place a 1 uF X7R ceramic bypass capacitor within 5 mm of every VDD pin, plus a 10 uF bulk capacitor at the package supply entry. The PIC24FJ256GL406-E/MR operates from 2.0-3.6V; when USB is enabled the internal 3.3V regulator (VUSB pin) requires an external 4.7 uF capacitor on VUSB to meet USB 2.0 full-speed VBUS droop requirements. Add a ferrite bead or 10 ohm resistor between VBUS and VUSB if VBUS may exceed 5V transient.
Route the 32.768 kHz SOSC crystal traces symmetrically and keep them under 5 mm, surrounded by a ground guard trace. For high-speed USB, route the D+/D- traces as a 90-ohm differential pair with length matching to within 150 mil and continuous ground reference below. Avoid placing any digital signal traces parallel to D+/D- to prevent common-mode noise from coupling into the USB bus.
Configuration bits must be programmed correctly: disable JTAG if not used (default-enabled on some GL4 variants), set the watchdog timeout appropriate for your application, and configure the SOSC as primary RTCC source if low-power sleep modes are required. Mistakenly leaving JTAG enabled can cause a 'no-start' fault if TCK/TMS/TDI float during power-up. The dual-partition OTA feature requires the FBS boot config to be set to dual-partition mode.
تعمیل کی معلومات
AEC-Q100 qualified per Microchip product page. RoHS and REACH compliant. Halogen-free per Microchip environmental documentation. The 'E' temperature suffix (-40C to +125C) denotes the automotive grade.