PIC24FJ512GU406-E/MR - 16-bit MCU 512KB Flash USB LCD 64-QFN
MPN： PIC24FJ512GU406-E/MR ✓ 啟用中PIC24FJ512GU406-E/MR 概覽
Key features include a 16-bit modified Harvard CPU core running at 32 MHz (16 MIPS) with single-cycle multiply and divide, dual-partition flash supporting real-time Over-The-Air (OTA) firmware updates, EEPROM emulation, a segmented LCD driver with up to 64 segments, full-speed USB 2.0 with device/host/OTG capability, and multiple Core Independent Peripherals (CIPs) such as configurable logic cells, 16-bit PWMs, and a 12-bit ADC.
The PIC24FJ512GU406 family also integrates a hardware crypto engine, a real-time clock and calendar (RTCC) with VBAT backup, a charge time measurement unit (CTMU) for touch sensing, and 53 general-purpose I/O pins grouped across multiple ports (RA/RB/RC/RD/RF/RG). 2V to 3.6V single-supply operation and multiple low-power sleep modes (Doze, Idle, Sleep, Deep Sleep) target battery-powered designs.
Typical applications include industrial control panels with segmented LCDs, USB peripherals and embedded host devices, IoT edge nodes requiring OTA firmware updates, medical instrumentation displays, automotive body and HVAC control modules, and consumer appliances with touch and graphical segmented UIs. The 'GU' parts add the LCD driver; the 'GL' sister family parts in the same QFN-64 footprint omit USB for cost-sensitive versions.
The 'E' suffix indicates an extended temperature grade (-40C to +125C) suitable for automotive and industrial environments. Always select AEC-Q100 qualified variants for safety-relevant automotive ECUs.
This page consolidates distributor pricing, parametric depth, application guidance, and pin-compatible alternatives in a single datasheet-context view, intended to shorten the BOM decision cycle for engineers evaluating the PIC24FJ512GU406-E/MR against other members of the PIC24FJ 'GU/GL' family and against competing 16-bit MCUs.
直接替換替代品，適用於 PIC24FJ512GU406-E/MR — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： PIC24FJ512GU406-E/MR （相同外形與佔位） — 差異在於 Package, LCD Controller, USB, ADC, Operating Temperature.
PIC24FJ512GL406-E/MR
✅ 直接替換聯絡詢價
查看資料表 →PIC24FJ256GU406-E/MR
✅ 直接替換聯絡詢價
查看資料表 →PIC24FJ256GU406-I/MR
✅ 直接替換聯絡詢價
查看資料表 →PIC24FJ128GU406-I/MR
✅ 直接替換聯絡詢價
查看資料表 →PIC24FJ128GU406-I/PT
✅ 直接替換聯絡詢價
查看資料表 →PIC24FJ256GL406-E/MR
✅ 直接替換聯絡詢價
查看資料表 →PIC24FJ512GU406-E/MR 最大額定值與電氣特性
| Core Architecture | PIC24F 16-bit modified Harvard |
| Program Memory (Flash) | 512 KB (512K x 8) with ECC |
| Data RAM | 32 KB |
| CPU Speed | 32 MHz / 16 MIPS |
| Operating Voltage | 2 V to 3.6 V |
| 工作溫度 | -40C to +125C (Extended grade) |
| 封裝 | 64-pin QFN (9x9 mm) with exposed pad |
| GPIO Count | 53 I/O pins |
| USB | USB 2.0 Full-Speed, Device/Host/OTG |
| LCD Driver | Integrated segmented LCD, up to 64 segments |
| ADC | 12-bit ADC |
| Timers | 16-bit timers and 16-bit PWM (multiple channels) |
| RTCC | Real-Time Clock and Calendar with VBAT backup |
| OTA Flash | Dual-partition Flash supporting live OTA updates |
| Qualification | AEC-Q100 automotive qualified |
| 安裝類型 | Surface Mount (QFN EP) |
PIC24FJ512GU406-E/MR 腳位配置
| 腳位 1 | RP15/RD15 — Remappable peripheral I/O / port D bit 15 |
| 腳位 2 | RP8/RD8 — Remappable peripheral I/O / port D bit 8 |
| 腳位 3 | RP9/RD9 — Remappable peripheral I/O / port D bit 9 |
| 腳位 4 | RP10/RD10 — Remappable peripheral I/O / port D bit 10 |
| 腳位 5 | RP11/RD11 — Remappable peripheral I/O / port D bit 11 |
| 腳位 6 | VSS — Ground reference |
| 腳位 7 | VDD — Positive supply (2.0 V to 3.6 V) |
| 腳位 8 | RP0/RA0 — Remappable peripheral I/O / port A bit 0 |
| 腳位 9 | RP1/RA1 — Remappable peripheral I/O / port A bit 1 |
| 腳位 10 | RP2/RA2 — Remappable peripheral I/O / port A bit 2 |
| 腳位 11 | RP3/RA3 — Remappable peripheral I/O / port A bit 3 |
| 腳位 12 | RP4/RA4 — Remappable peripheral I/O / port A bit 4 |
| 腳位 13 | RP5/RA5 — Remappable peripheral I/O / port A bit 5 |
| 腳位 14 | RP6/RA6 — Remappable peripheral I/O / port A bit 6 |
| 腳位 15 | RP7/RA7 — Remappable peripheral I/O / port A bit 7 |
| 腳位 16 | VSS — Ground reference |
| 腳位 17 | VDD — Positive supply (2.0 V to 3.6 V) |
| 腳位 18 | RB0/RP16 — Port B bit 0 / remappable peripheral |
| 腳位 19 | RB1/RP17 — Port B bit 1 / remappable peripheral |
| 腳位 20 | RB2/RP18 — Port B bit 2 / remappable peripheral |
| 腳位 21 | RB3/RP19 — Port B bit 3 / remappable peripheral |
| 腳位 22 | RB4/RP20 — Port B bit 4 / remappable peripheral |
| 腳位 23 | RB5/RP21 — Port B bit 5 / remappable peripheral |
| 腳位 24 | RB6/RP22 — Port B bit 6 / remappable peripheral / ICD |
| 腳位 25 | RB7/RP23 — Port B bit 7 / remappable peripheral / ICD |
| 腳位 26 | RC1/RP25 — Port C bit 1 / remappable peripheral |
| 腳位 27 | RC2/RP26 — Port C bit 2 / remappable peripheral |
| 腳位 28 | RC3/RP27 — Port C bit 3 / remappable peripheral |
| 腳位 29 | RC4/RP28 — Port C bit 4 / remappable peripheral |
| 腳位 30 | VUSB — USB voltage reference (3.3 V regulated output) |
| 腳位 31 | VBUS — USB bus voltage detect |
| 腳位 32 | D+ — USB D+ differential data line |
| 腳位 33 | D- — USB D- differential data line |
| 腳位 34 | RC5 — Port C bit 5 |
| 腳位 35 | RC6 — Port C bit 6 |
| 腳位 36 | RC7 — Port C bit 7 |
| 腳位 37 | RC8 — Port C bit 8 |
| 腳位 38 | RC9 — Port C bit 9 |
| 腳位 39 | VDD — Positive supply (2.0 V to 3.6 V) |
| 腳位 40 | VSS — Ground reference |
| 腳位 41 | OSC1/RC12 — Crystal oscillator input / port C bit 12 |
| 腳位 42 | OSC2/RC15 — Crystal oscillator output / port C bit 15 |
| 腳位 43 | SOSCO/RC13 — Secondary oscillator output / port C bit 13 |
| 腳位 44 | SOSCI/RC14 — Secondary oscillator input / port C bit 14 |
| 腳位 45 | RF0 — Port F bit 0 (LCD segment) |
| 腳位 46 | RF1 — Port F bit 1 (LCD segment) |
| 腳位 47 | RF2 — Port F bit 2 (LCD segment) |
| 腳位 48 | RF3 — Port F bit 3 (LCD segment) |
| 腳位 49 | RF4 — Port F bit 4 (LCD segment) |
| 腳位 50 | RF5 — Port F bit 5 (LCD segment) |
| 腳位 51 | RF6 — Port F bit 6 (LCD segment) |
| 腳位 52 | RF7 — Port F bit 7 (LCD segment) |
| 腳位 53 | RG0 — Port G bit 0 (LCD segment) |
| 腳位 54 | RG1 — Port G bit 1 (LCD segment) |
| 腳位 55 | RG2 — Port G bit 2 (LCD segment) |
| 腳位 56 | RG3 — Port G bit 3 (LCD segment) |
| 腳位 57 | RG6 — Port G bit 6 |
| 腳位 58 | RG7 — Port G bit 7 |
| 腳位 59 | RG8 — Port G bit 8 |
| 腳位 60 | RG9 — Port G bit 9 |
| 腳位 61 | MCLR — Master clear reset (active low) |
| 腳位 62 | AVDD — Analog positive supply |
| 腳位 63 | AVSS — Analog ground |
| 腳位 64 | EP — Exposed thermal pad - connect to ground |
典型應用
PIC24FJ512GU406-E/MR 適用於 6 應用s: Industrial HMI with Segmented LCD, USB Peripherals and Embedded Host Devices, IoT Edge Nodes with OTA Firmware Updates, Automotive Body and HVAC Control Modules, Medical Instrumentation Displays, Consumer Appliance Touch + Display UIs.
Industrial HMI with Segmented LCD
The PIC24FJ512GU406-E/MR is purpose-built for industrial HMI panels with segmented LCDs. Its on-chip segmented LCD driver supports up to 64 segments, removing the need for an external LCD controller. The 512KB flash accommodates multi-language UI strings and complex state machines, while 32KB RAM holds display buffers and graphics primitives. The integrated CTMU enables capacitive touch keys. USB 2.0 FS allows configuration uploads from a PC. The 64-QFN (9x9 mm) package supports compact panel designs with a thermal resistance suitable for sealed enclosures.
推薦
USB Peripherals and Embedded Host Devices
The PIC24FJ512GU406-E/MR integrates a full-speed USB 2.0 controller with Device, Host, and OTG support, eliminating an external USB bridge chip and reducing BOM cost. At 16 MIPS, it handles USB class drivers (HID, CDC, MSD) and application logic simultaneously. The 512KB flash stores USB stack plus application, and 32KB RAM serves as USB endpoint and protocol buffers. The 64-QFN footprint suits USB dongle and stick form factors. The extended -40C to +125C temperature range supports industrial USB peripherals and instrumentation.
推薦
IoT Edge Nodes with OTA Firmware Updates
The PIC24FJ512GU406-E/MR's dual-partition flash layout enables real-time Over-The-Air firmware updates - the device runs from one partition while the other is being rewritten, eliminating application downtime. The 512KB flash accommodates a bootloader, current firmware, and new image buffer simultaneously. Hardware crypto accelerates secure boot and TLS-like exchanges. USB and UART provide update channels. Deep Sleep mode with RTCC retention lets battery-powered IoT nodes last years on a single cell while still receiving scheduled updates.
推薦
Automotive Body and HVAC Control Modules
AEC-Q100 qualification makes the PIC24FJ512GU406-E/MR suitable for automotive body controllers, HVAC panels, and instrument cluster sub-modules. The on-chip segmented LCD driver drives climate control displays; the 12-bit ADC reads temperature and position sensors; 16-bit PWMs drive actuators. The 32 MHz core and 53 I/O pins handle CAN/LIN gateways and multi-zone climate algorithms. The extended -40C to +125C operating range meets under-dash thermal requirements; the 64-QFN (9x9 mm) package allows compact PCB layouts behind cluster displays.
推薦
Medical Instrumentation Displays
The PIC24FJ512GU406-E/MR suits medical devices such as portable patient monitors, infusion pumps, and benchtop diagnostic instruments that combine a segmented LCD with USB connectivity for data export. The hardware crypto engine supports secure authenticated firmware loads, and the 512KB flash accommodates medical algorithm libraries and audit logs. The 12-bit ADC with CTMU supports temperature-compensated sensor measurements. The extended temperature range suits operating-room and bedside environments.
推薦
Consumer Appliance Touch + Display UIs
For washing machines, ovens, and smart appliances, the PIC24FJ512GU406-E/MR combines capacitive touch (via CTMU), segmented LCD driving, USB diagnostics, and 53 I/O for appliance I/O expansion. The 512KB flash stores localized UI strings, calibration data, and diagnostic logs. The integrated RTCC enables timer functions across power cycles. The 64-QFN footprint fits behind compact control panels. Hardware crypto protects brand firmware against counterfeiting. Deep Sleep with RTCC retention keeps standby power low.
推薦
推薦產品摘要
工程參考資料，適用於 PIC24FJ512GU406-E/MR — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | PIC24FJ512GL406-E/MR | PIC24FJ256GU406-E/MR | PIC24FJ256GU406-I/MR | PIC24FJ128GU406-I/MR | PIC24FJ128GU406-I/PT | PIC24FJ256GL406-E/MR |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-QFN (9x9) | 64-QFN (9x9) - same | 64-QFN (9x9) - same | 64-QFN (9x9) - same | 64-QFN (9x9) - same | 64-QFN (9x9) - same | 64-QFN (9x9) - same |
| Program Flash | 512 KB | 512 KB | 256 KB | 256 KB | 128 KB | 128 KB | 256 KB |
| Data RAM | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| USB Controller | Yes (FS, OTG) | No | Yes (FS, OTG) | Yes (FS, OTG) | Yes (FS, OTG) | Yes (FS, OTG) | No |
| LCD Driver | Up to 64 segments | Up to 64 segments | Up to 64 segments | Up to 64 segments | Up to 64 segments | Up to 64 segments | Up to 64 segments |
| CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| Temperature Grade | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) |
| GPIO Count | 53 I/O | 53 I/O | 53 I/O | 53 I/O | 53 I/O | 53 I/O | 53 I/O |
主要差異化特點
- Largest flash in the 64-QFN (9x9) GU family (對比PIC24FJ256GU406-E/MR)
- Extended -40C to +125C automotive grade (對比PIC24FJ256GU406-I/MR)
- Integrated USB 2.0 FS with OTG (對比PIC24FJ512GL406-E/MR)
設計說明
Place a 10 uF bulk capacitor and a 0.1 uF decoupling capacitor as close as possible to each VDD pin pair on the PIC24FJ512GU406-E/MR. According to the Microchip PIC24FJ family datasheet, multiple VDD/VSS pins exist to support the 64-QFN EP package's high-speed internal buses; each pair must be independently decoupled. For USB applications, add a 0.1 uF + 4.7 uF network on VUSB to stabilize the internal USB voltage regulator output.
Estimated: The 64-QFN (9x9 mm) exposed pad must be soldered to a copper pour of at least 1 square inch to meet the 32 MHz full-performance thermal envelope. The thermal pad (EP, pin 64) must be tied to the ground plane with a low-impedance via array (typically 9 to 25 vias on a 1.2 mm grid). Without adequate thermal relief, junction temperature may rise above the +125C limit in sealed enclosures. Always refer to the manufacturer's package thermal characteristics for the exact theta_JA value.
The USB D+ and D+ lines (pins 32, 33) require 90-ohm differential impedance, with the trace length matched to within 150 mil. Place the VBUS sense resistor (typically 10k to VDD) close to pin 31. The crystal traces (OSC1/OSC2, pins 41/42) must be short and guarded by a ground ring to minimize EMI. The SOSC pins (43/44) for the 32.768 kHz crystal should be routed as short and symmetric as possible for accurate RTCC operation.
Do not skip the MCLR pull-up resistor (typically 10 kOhm to VDD) on pin 61 - the device will not start without it. The ICD pins (RB6/RB7, pins 24/25) must be accessible for in-circuit debugging. For OTA firmware updates, the dual-partition flash layout requires the bootloader to be programmed into the protected boot sector first, otherwise a failed update can brick the device. Always verify the VBAT supply to the RTCC backup domain if RTCC retention is required across power cycles.
合規資訊
AEC-Q100 qualified per Microchip PIC24FJ GU4/GL4 family documentation and onlinecomponents.com listing. RoHS and lead-free compliance confirmed by Microchip product family datasheet.
