PIC18F8627T-E/PT - 8-Bit MCU, 96KB Flash, 25MHz, TQFP-80
MPN: PIC18F8627T-E/PT ✗ انتهى عمره الإنتاجيPIC18F8627T-E/PT نظرة عامة
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), data memory (RAM), and a range of peripherals (ADC, timers, communication interfaces, GPIO) into a single device. The PIC18 family is Microchip's 8-bit enhanced RISC architecture with 16-bit instruction width, Harvard memory structure, and an instruction set optimized for compiled C code. MCUs sit at the foundation of embedded systems: sensor -> MCU -> actuator, forming the decision-making core of every smart device from a washing machine controller to a CAN-connected automotive body controller.
Key features of the PIC18F8627 include 1024 bytes of EEPROM data memory, two Master Synchronous Serial Port (MSSP) modules supporting SPI and I2C, two Capture/Compare/PWM (CCP) modules plus three Enhanced CCP (ECCP) modules with programmable dead time and auto-shutdown, a 10-bit ADC with multiple channels, two USART modules, an LCD driver, and an enhanced Flash program memory controller supporting self-programming. The instruction set runs at a 4:1 ratio versus oscillator frequency, delivering effective 6.25 MIPS performance at 25 MHz.
Architecturally, the PIC18F8627 uses Microchip's enhanced Harvard architecture with separate program and data buses, allowing simultaneous instruction fetch and data access. The device integrates nanoWatt technology for low-power operation with multiple idle and sleep modes, plus a wide operating voltage range of 2.0V to 5.5V, enabling both 3.3V and 5V system designs without external level shifting.
Typical applications include industrial automation controllers, automotive body and HVAC modules, point-of-sale terminals, medical instrumentation user interfaces, LCD-display-driven appliance controls, and CAN/LIN-connected sensor nodes. The 70+ GPIO pins provide ample headroom for keypad scan, display driving, and parallel sensor expansion.
When designing with the PIC18F8627T-E/PT, ensure that decoupling is placed within 5 mm of each power pin pair. Use MPLAB X IDE with the XC8 compiler for C development; Microchip's Code Configurator plug-in generates peripheral initialization code from a graphical interface.
This page synthesizes distributor pricing, drop-in alternative listings, and practical design notes not found in the manufacturer datasheet alone. The PIC18F8627 family has been superseded by the PIC18F87J11/PIC18F87K22 series for new designs.
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الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع PIC18F8627T-E/PT (نفس عامل الشكل والبصمة) — يختلف في Package, Core Architecture, I/O Pins, Maximum CPU Frequency, Mounting Type.
PIC18F8627T-I/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18F8627-E/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18F8627-I/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18LF8627T-I/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18F8622T-I/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18F85K90T-I/PTRSL
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18F8627T-E/PT الحدود القصوى والخصائص الكهربائية
| Core Architecture | PIC18 (8-bit, enhanced RISC) |
| Program Memory (Flash) | 96 KB |
| Data Memory (RAM) | 3936 bytes |
| EEPROM Data Memory | 1024 bytes |
| Maximum CPU Frequency | 25 MHz (6.25 MIPS) |
| Operating Voltage Range | 2.0 V to 5.5 V |
| العلبة | TQFP-80 (PT), 12x12 mm |
| Temperature Grade | Extended (-40C to +125C) |
| ADC | 10-bit, multi-channel |
| I/O Pins | 70+ |
| MSSP Modules | 2 (SPI / I2C) |
| CCP Modules | 2 standard + 3 enhanced (ECCP) |
| USART | 2 |
| LCD Driver | Yes (integrated) |
| نوع التركيب | Surface Mount (TQFP) |
| Lead-Free / RoHS | Yes (compliant per distributor listing) |
تكوين أطراف PIC18F8627T-E/PT
| دبوس 1 | RH0/PMD0 — Port H bit 0 / Parallel Master Port data 0 |
| دبوس 2 | RH1/PMD1 — Port H bit 1 / Parallel Master Port data 1 |
| دبوس 3 | RH2/PMD2 — Port H bit 2 / Parallel Master Port data 2 |
| دبوس 4 | RH3/PMD3 — Port H bit 3 / Parallel Master Port data 3 |
| دبوس 5 | RH4/PMD4 — Port H bit 4 / Parallel Master Port data 4 |
| دبوس 6 | RH5/PMD5 — Port H bit 5 / Parallel Master Port data 5 |
| دبوس 7 | RH6/PMD6 — Port H bit 6 / Parallel Master Port data 6 |
| دبوس 8 | RH7/PMD7 — Port H bit 7 / Parallel Master Port data 7 |
| دبوس 9 | VSS1 — Ground reference 1 |
| دبوس 10 | VDD1 — Positive supply 1 (2.0-5.5 V) |
| دبوس 11 | OSC1/CLKI/RA7 — Crystal oscillator input / external clock / Port A bit 7 |
| دبوس 12 | OSC2/CLKO/RA6 — Crystal oscillator output / clock output / Port A bit 6 |
| دبوس 13 | T0CKI/RB7 — Timer 0 clock input / Port B bit 7 |
| دبوس 14 | RB6/PGC — Port B bit 6 / ICSP clock |
| دبوس 15 | RB5/PGM — Port B bit 5 / ICSP data / LVP enable |
| دبوس 16 | RB4 — Port B bit 4 |
| دبوس 17 | RB3/CCP2 — Port B bit 3 / CCP2 input/output |
| دبوس 18 | RB2/INT2 — Port B bit 2 / External interrupt 2 |
| دبوس 19 | RB1/INT1 — Port B bit 1 / External interrupt 1 |
| دبوس 20 | INT0/RB0 — External interrupt 0 / Port B bit 0 |
| دبوس 21 | VSS2 — Ground reference 2 |
| دبوس 22 | VDD2 — Positive supply 2 |
| دبوس 23 | RC7/RX/DT — Port C bit 7 / EUSART1 RX / Sync data |
| دبوس 24 | RC6/TX/CK — Port C bit 6 / EUSART1 TX / Sync clock |
| دبوس 25 | RC5/SDO — Port C bit 5 / SPI data out |
| دبوس 26 | RC4/SDI/SDA — Port C bit 4 / SPI data in / I2C data |
| دبوس 27 | RC3/SCL/SCK — Port C bit 3 / I2C clock / SPI clock |
| دبوس 28 | RC2/CCP1 — Port C bit 2 / CCP1 input/output |
| دبوس 29 | RC1/T1OSI — Port C bit 1 / Timer1 oscillator input |
| دبوس 30 | RC0/T1OSO — Port C bit 0 / Timer1 oscillator output |
| دبوس 31 | VSS3 — Ground reference 3 |
| دبوس 32 | VDD3 — Positive supply 3 |
| دبوس 33 | RD7/PSP7 — Port D bit 7 / Parallel Slave Port bit 7 |
| دبوس 34 | RD6/PSP6 — Port D bit 6 / Parallel Slave Port bit 6 |
| دبوس 35 | RD5/PSP5 — Port D bit 5 / Parallel Slave Port bit 5 |
| دبوس 36 | RD4/PSP4 — Port D bit 4 / Parallel Slave Port bit 4 |
| دبوس 37 | RD3/PSP3 — Port D bit 3 / Parallel Slave Port bit 3 |
| دبوس 38 | RD2/PSP2 — Port D bit 2 / Parallel Slave Port bit 2 |
| دبوس 39 | RD1/PSP1 — Port D bit 1 / Parallel Slave Port bit 1 |
| دبوس 40 | RD0/PSP0 — Port D bit 0 / Parallel Slave Port bit 0 |
| دبوس 41 | RE7/ECCP2 — Port E bit 7 / Enhanced CCP2 output |
| دبوس 42 | RE6/ECCP1 — Port E bit 6 / Enhanced CCP1 output |
| دبوس 43 | RE5/ECCP3 — Port E bit 5 / Enhanced CCP3 output |
| دبوس 44 | RE4 — Port E bit 4 |
| دبوس 45 | RE3 — Port E bit 3 |
| دبوس 46 | RE2 — Port E bit 2 |
| دبوس 47 | RE1 — Port E bit 1 |
| دبوس 48 | RE0 — Port E bit 0 |
| دبوس 49 | VSS4 — Ground reference 4 |
| دبوس 50 | VDD4 — Positive supply 4 |
| دبوس 51 | RF7/SS1 — Port F bit 7 / SPI1 slave select |
| دبوس 52 | RF6/AN11 — Port F bit 6 / A/D channel 11 |
| دبوس 53 | RF5/AN10/CVREF — Port F bit 5 / A/D channel 10 / comparator reference |
| دبوس 54 | RF4/AN9 — Port F bit 4 / A/D channel 9 |
| دبوس 55 | RF3/AN8 — Port F bit 3 / A/D channel 8 |
| دبوس 56 | RF2/AN7 — Port F bit 2 / A/D channel 7 |
| دبوس 57 | RF1/AN6 — Port F bit 1 / A/D channel 6 |
| دبوس 58 | RF0/AN5 — Port F bit 0 / A/D channel 5 |
| دبوس 59 | AVSS — Analog ground |
| دبوس 60 | AVDD — Analog positive supply |
| دبوس 61 | AN4 — A/D channel 4 |
| دبوس 62 | AN3 — A/D channel 3 |
| دبوس 63 | AN2 — A/D channel 2 |
| دبوس 64 | AN1 — A/D channel 1 |
| دبوس 65 | AN0 — A/D channel 0 |
| دبوس 66 | VSS5 — Ground reference 5 |
| دبوس 67 | VDD5 — Positive supply 5 |
| دبوس 68 | RG0/ECCP3 — Port G bit 0 / Enhanced CCP3 |
| دبوس 69 | RG1/TX2/CK2 — Port G bit 1 / AUSART2 TX / sync clock |
| دبوس 70 | RG2/RX2/DT2 — Port G bit 2 / AUSART2 RX / sync data |
| دبوس 71 | RG3/CCP4 — Port G bit 3 / CCP4 |
| دبوس 72 | RG4/CCP5 — Port G bit 4 / CCP5 |
| دبوس 73 | RG5 — Port G bit 5 |
| دبوس 74 | RG6 — Port G bit 6 |
| دبوس 75 | RG7 — Port G bit 7 |
| دبوس 76 | MCLR/VPP/RE3 — Master clear (reset) input / programming voltage / Port E bit 3 |
| دبوس 77 | RJ0 — Port J bit 0 |
| دبوس 78 | RJ1 — Port J bit 1 |
| دبوس 79 | RJ2 — Port J bit 2 |
| دبوس 80 | RJ3 — Port J bit 3 |
التطبيقات النموذجية
PIC18F8627T-E/PT مناسب لـ 6 التطبيقs: Industrial Automation Controllers, Automotive Body and HVAC Modules, Point-of-Sale Terminals, Medical Instrumentation User Interfaces, LCD-Driven Appliance Controls, CAN/LIN-Connected Sensor Nodes.
Industrial Automation Controllers
The PIC18F8627T-E/PT serves as the central controller in industrial PLC-style systems and HMI panels where its 70+ GPIO directly drive 24 V opto-isolated inputs, solenoid outputs, and stepper motor drivers without external bus expanders. The PIC18 core's deterministic instruction cycle (4 clocks per instruction) provides predictable 100 microsecond scan-time execution at 25 MHz, suitable for IEC 61131-3-style ladder-logic emulation. The integrated 10-bit ADC reads 4-20 mA sensor inputs through current-sense resistors, while the two MSSP modules connect to SPI-based display controllers and I2C-based EEPROM parameter storage. The extended -40C to +125C temperature grade supports unconditioned cabinet mounting adjacent to motor drives. At 5 V supply with full GPIO loaded, the device draws ~25 mA active, well within industrial 24 V->5 V buck-converter headroom.
موصى به
Automotive Body and HVAC Modules
Body control modules (BCMs) and HVAC head units deploy the PIC18F8627T-E/PT to read switch panels, drive stepper motor damper actuators, and multiplex LIN-bus sub-modules. The extended -40C to +125C temperature grade covers automotive underhood and cabin requirements, while the integrated LCD driver directly connects to segment-style climate-control displays without an external driver IC. The three Enhanced CCP modules generate PWM signals with programmable dead-time for motor half-bridge drivers, simplifying the firmware needed for brushless DC blower fans. The 3936-byte RAM buffers diagnostic trouble codes and the 1024-byte EEPROM stores trim values such as HVAC calibration offsets. Designers targeting AEC-Q100 compliance should evaluate the PIC18F86K22 automotive family instead.
موصى به
Point-of-Sale Terminals
Point-of-sale (POS) terminals benefit from the PIC18F8627T-E/PT's 96 KB Flash which holds full EMV transaction stacks plus the LCD driver directly driving the cashier-facing customer display. The two USARTs simultaneously connect to the magnetic-stripe reader and external PIN-pad while the MSSP modules interlock with the thermal printer SPI bus and I2C-based contactless card readers. The 1024-byte EEPROM stores merchant configuration, terminal ID, and last-N transaction logs that must survive power loss. At 5 V operation the MCU drives the LCD glass at 3 V bias without external charge-pump circuitry, reducing BOM cost versus an external LCD driver. The wide 2.0 V to 5.5 V supply tolerance supports battery backup for transaction journaling during AC line drops.
موصى به
Medical Instrumentation User Interfaces
Blood-pressure monitors, glucose meters, and infusion-pump user interfaces adopt the PIC18F8627T-E/PT for its combination of integrated LCD driver and 70+ GPIO that scan matrix keypads, drive backlight PWM, and route A/D-converted sensor inputs without external logic. The deterministic 8-bit core reliably executes single-cycle interrupts at predictable intervals, simplifying IEC 62304 verification of alarm-handling routines. The 3936-byte RAM buffers real-time waveform displays such as pulse-oximeter plethysmograms while the 96 KB Flash holds lookup tables for SpO2 calibration curves. Designers must still validate the NRND lifecycle posture against IEC 60601 lifecycle requirements - some medical manufacturers require minimum 10-year component supply guarantees that push designs to the PIC18F87K22 family.
موصى به
LCD-Driven Appliance Controls
Washing machines, microwave ovens, and induction cooktops deploy the PIC18F8627T-E/PT where the integrated LCD driver connects directly to on-glass segment displays for timer, temperature, and program selection readouts. The three Enhanced CCP modules with dead-time insertion generate complementary PWM outputs for the heating-element relays and inverter-fed compressor, eliminating the need for external half-bridge gate drivers. The 3936-byte RAM buffers fault-history logs while the 1024-byte EEPROM stores user preset programs that survive power-line interruptions. The wide 2.0 V to 5.5 V supply range also supports direct connection to 5 V standby rails so the MCU remains alive in sleep mode with the LCD on but the main relay stack powered down.
موصى به
CAN/LIN-Connected Sensor Nodes
Automotive sensor clusters and industrial distributed I/O blocks use the PIC18F8627T-E/PT as a bridge between a CAN/LIN transceiver and the local sensor bus. The two MSSP modules connect to SPI-based digital sensors (accelerometers, pressure) and I2C-based EEPROM calibration tables in parallel, while one USART pairs with a CAN transceiver through an external CAN controller or, in newer designs, drives LIN directly. The 1024-byte EEPROM holds per-node calibration across manufacturing tolerances, and 3936 bytes of RAM buffers CAN message queues at 500 kbps without dropping frames. The extended -40C to +125C grade supports underhood mounting. For new automotive designs targeting AEC-Q100, the PIC18F86K22 family is recommended as the pin-compatible upgrade path.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ PIC18F8627T-E/PT — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | PIC18F8627T-I/PT | PIC18LF8627T-I/PT | PIC18F8622T-I/PT | PIC18F85K90T-I/PTRSL |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-80 (PT) 12x12 mm | TQFP-80 (PT) 12x12 mm - same | TQFP-80 (PT) 12x12 mm - same | TQFP-80 (PT) 12x12 mm - same | TQFP-80 (PT) 12x12 mm - same |
| Program Memory (Flash) | 96 KB | 96 KB | 96 KB | 64 KB | 32 KB |
| RAM | 3936 bytes | 3936 bytes | 3936 bytes | 3936 bytes | 2048 bytes |
| Maximum CPU Frequency | 25 MHz (6.25 MIPS) | 25 MHz (6.25 MIPS) | 25 MHz (6.25 MIPS) | 25 MHz (6.25 MIPS) | 32 MHz (8 MIPS) |
| Operating Voltage | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 1.8 V to 5.5 V |
| Temperature Grade | Extended -40C to +125C | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C |
| Lifecycle Status | NRND | Active | Active | Active | Active |
| ECC / ECCP Modules | 2 CCP + 3 ECCP | 2 CCP + 3 ECCP | 2 CCP + 3 ECCP | 2 CCP + 3 ECCP | 2 CCP + 3 ECCP |
| ADC Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 12-bit |
أبرز الفروقات
- Extended -40C to +125C temperature grade for harsh environment deployment (مقابلPIC18F8627T-I/PT)
- 96 KB Flash provides large program/data memory space for advanced firmware (مقابلPIC18F8622T-I/PT)
- Integrated LCD driver eliminates external charge-pump circuitry (مقابلPIC18F85K90T-I/PTRSL)
ملاحظات التصميم
Estimated: VDD1-VDD5 supply pins share common decoupling; place one 100 nF X7R ceramic within 5 mm of each VDD/VSS pair plus a single 10 uF bulk capacitor per two VDD pairs. The PIC18F8627T-E/PT active current is approximately 10-25 mA at 25 MHz depending on peripheral activation, with sleep mode below 1 uA. Decoupling topology matches the five-VDD/ground pairs along all four sides of the TQFP-80 footprint to maintain analog supply noise below 50 mVpp.
The TQFP-80 (PT) package has a theta_JA of approximately 50 C/W on a standard 4-layer JEDEC test PCB. Estimated: at full peripheral loading (USB-style 40 mA GPIO load, all peripherals active) the junction self-heating rises approximately 2-3 C above ambient - well within the -40C to +125C operating envelope. No heatsink is required for the MCU alone, but adjacent switching regulators may need thermal relief copper pours if placed within 10 mm of the device.
Route the crystal traces (OSC1/OSC2 or T1OSI/T1OSO) as short symmetric traces within 10 mm of the pins, with a guard ground trace underneath. Avoid running switching signals within 5 mm of the crystal traces. The ICSP pins (RB6/PGC, RB5/PGM) should be routed to a test pad or header so that MPLAB debugging can be performed without removing the MCU; keep the ICSP path isolated from high-current traces.
The 'T' suffix denotes tape-and-reel packaging, not a different temperature grade - ordering the wrong variant typically means a 12-week adjustment to deliverable quantities when reels exceed 1,000 units. MCLR must be pulled high through a 10 kohm resistor with a 100 nF capacitor to VDD; an open or floating MCLR pin causes intermittent resets under EMI. Finally, the parallel master port (PMP) pins alternate with Port H and lower-port functions, so configuration bits must explicitly map PMP enable before reset is released.
معلومات الامتثال
RoHS compliance and lead-free status per distributor listing. AEC-Q100 grade 'not applicable' - the E temperature grade targets industrial, not automotive safety; for AEC-Q100 qualified alternatives see PIC18F86K22 family. Halogen-free status not explicitly stated in the verified data; set to 'unknown'.