PIC18F8310-E/PT - 8KB Flash 70 I/O MCU | Microchip 80-TQFP
MPN: PIC18F8310-E/PT ✓ نشطPIC18F8310-E/PT نظرة عامة
What is an 8-bit PIC microcontroller? A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash for program storage and RAM for working data), peripherals, and I/O. The PIC18F family uses an enhanced 8-bit RISC architecture with 16-bit wide instructions and Harvard bus design, sitting in the hierarchy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. The 'F' in PIC18F denotes Flash program memory, enabling in-system reprogramming via ICSP (In-Circuit Serial Programming).
Key features include the nanoWatt Technology power management suite for active and sleep current reduction, internal oscillator options that reduce external component count, and the 70 I/O lines that support multiple communication peripherals. The PIC18F8310 differs from the smaller-pin PIC18F6310 (64-pin) and PIC18F6410 (64-pin) siblings primarily by offering more I/O lines and the larger TQFP-80 footprint required for full peripheral parallelism.
The device uses a 16-bit modified Harvard architecture with separate program and data buses, a hardware multiplier, and an 8-bit ALU. It supports the enhanced instruction set common across PIC18F families, plus peripheral modules including timers, capture/compare/PWM, USART, MSSP (SPI/I2C), and a 10-bit ADC. The -E temperature grade extends the operating range from -40C to +125C, making it suitable for industrial and extended-environment designs.
Typical applications span industrial control panels, sensor conditioning boards, HVAC controls, low-cost motor drives, and serial-interface human-machine interface (HMI) modules. The 70 I/O support many parallel keypad/LED matrix designs without external I/O expanders, and the 8 KB Flash accommodates USB CDC firmware, MODBUS slave stacks, or simple RTOS kernels.
Design considerations: provide a 0.1 uF decoupling capacitor near each VDD/VSS pair, route MCLR through a proper reset circuit, and verify oscillator configuration bits when migrating from prototype to production. For new designs, evaluate the newer PIC18F67K90 or PIC18F47K42 families which offer more memory and peripherals at lower cost.
This page synthesizes distributor pricing, pin-to-pin drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet alone.
بدائل مباشرة لـ PIC18F8310-E/PT — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع PIC18F8310-E/PT (نفس عامل الشكل والبصمة) — يختلف في Core Architecture, ADC, Package, Operating Temperature Range, Timers.
PIC18F8310-I/PT
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
PIC18F8410-I/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18F6410-I/PT
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
PIC18F67J10-I/PT
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18F67K90-I/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18F47K42-I/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18F8310-E/PT الحدود القصوى والخصائص الكهربائية
| Program Memory Size | 8 KB (4K x 16) |
| RAM Size | 768 bytes |
| Number of I/O Pins | 70 |
| العلبة / الحالة | 80-TQFP |
| Core Architecture | PIC 8-bit (PIC18 enhanced RISC) |
| Maximum Clock Speed | 25 MHz |
| جهد التغذية التشغيلي | 4.2 V to 5.5 V (typical 5 V) |
| Oscillator Type | Internal |
| نطاق درجة حرارة التشغيل | -40C to +125C (-E grade) |
| ADC | 10-bit A/D converter |
| Communication Peripherals | UART, SPI, I2C (MSSP) |
| Timers | Multiple 8/16-bit timers |
| Program Memory Type | Flash |
| نوع التركيب | Surface Mount |
| Packaging | Tray |
| Power Management | nanoWatt Technology |
تكوين أطراف PIC18F8310-E/PT
| دبوس 1 | OSC1/CLKI/RA7 — Oscillator input / GPIO |
| دبوس 2 | OSC2/CLKO/RA6 — Oscillator output / GPIO |
| دبوس 3 | MCLR — Master clear reset input |
| دبوس 4 | RA0/AN0 — GPIO / analog input 0 |
| دبوس 5 | RA1/AN1 — GPIO / analog input 1 |
| دبوس 6 | RA2/AN2/VREF- — GPIO / analog input 2 / ADC VREF- |
| دبوس 7 | RA3/AN3/VREF+ — GPIO / analog input 3 / ADC VREF+ |
| دبوس 8 | RA4 — GPIO (open-drain capable) |
| دبوس 9 | RA5/AN4 — GPIO / analog input 4 |
| دبوس 10 | VDD — Digital supply voltage (4.2V-5.5V) |
| دبوس 11 | VSS — Digital ground |
| دبوس 12 | RB0/INT0 — GPIO / external interrupt 0 |
| دبوس 13 | RB1/INT1 — GPIO / external interrupt 1 |
| دبوس 14 | RB2/INT2 — GPIO / external interrupt 2 |
| دبوس 15 | RB3 — GPIO |
| دبوس 16 | RB4 — GPIO (interrupt-on-change) |
| دبوس 17 | RB5 — GPIO (interrupt-on-change) |
| دبوس 18 | RB6/PGC — GPIO / ICSP clock (interrupt-on-change) |
| دبوس 19 | RB7/PGD — GPIO / ICSP data (interrupt-on-change) |
| دبوس 20 | AVDD — Analog supply voltage |
| دبوس 21 | AVSS — Analog ground |
| دبوس 22 | RC0 — GPIO / T1OSO/T1CKI |
| دبوس 23 | RC1 — GPIO / T1OSI/CCP2 |
| دبوس 24 | RC2/CCP1 — GPIO / Capture/Compare/PWM 1 |
| دبوس 25 | RC3 — GPIO / SPI/I2C clock |
| دبوس 26 | RC4 — GPIO / SPI data in |
| دبوس 27 | RC5 — GPIO / SPI data out |
| دبوس 28 | RC6/TX1/CK1 — GPIO / USART1 TX |
| دبوس 29 | RC7/RX1/DT1 — GPIO / USART1 RX |
| دبوس 30 | RD0 — GPIO / PSP data 0 |
| دبوس 31 | RD1 — GPIO / PSP data 1 |
| دبوس 32 | RD2 — GPIO / PSP data 2 |
| دبوس 33 | RD3 — GPIO / PSP data 3 |
| دبوس 34 | RD4 — GPIO / PSP data 4 |
| دبوس 35 | RD5 — GPIO / PSP data 5 |
| دبوس 36 | RD6 — GPIO / PSP data 6 |
| دبوس 37 | RD7 — GPIO / PSP data 7 |
| دبوس 38 | VSS — Digital ground |
| دبوس 39 | VDD — Digital supply voltage |
| دبوس 40 | RE0/RD — GPIO / parallel slave port read |
| دبوس 41 | RE1/WR — GPIO / parallel slave port write |
| دبوس 42 | RE2/CS — GPIO / parallel slave port chip select |
| دبوس 43 | RE3 — GPIO (digital-only, no analog) |
| دبوس 44 | RE4 — GPIO (digital-only) |
| دبوس 45 | RE5 — GPIO (digital-only) |
| دبوس 46 | RE6 — GPIO (digital-only) |
| دبوس 47 | RE7 — GPIO (digital-only) |
| دبوس 48 | VDD — Digital supply voltage |
| دبوس 49 | VSS — Digital ground |
| دبوس 50 | RF0/AN5 — GPIO / analog input 5 |
| دبوس 51 | RF1/AN6 — GPIO / analog input 6 |
| دبوس 52 | RF2/AN7 — GPIO / analog input 7 |
| دبوس 53 | RF3/AN8 — GPIO / analog input 8 |
| دبوس 54 | RF4/AN9 — GPIO / analog input 9 |
| دبوس 55 | RF5/AN10 — GPIO / analog input 10 |
| دبوس 56 | RF6/AN11 — GPIO / analog input 11 |
| دبوس 57 | RF7 — GPIO (digital-only) |
| دبوس 58 | RG0 — GPIO / CCP3 |
| دبوس 59 | RG1 — GPIO / TX2/CK2 |
| دبوس 60 | RG2 — GPIO / RX2/DT2 |
| دبوس 61 | RG3 — GPIO |
| دبوس 62 | RG4 — GPIO |
| دبوس 63 | RG5 — GPIO |
| دبوس 64 | RG6 — GPIO |
| دبوس 65 | RG7 — GPIO |
| دبوس 66 | RH0 — GPIO |
| دبوس 67 | RH1 — GPIO |
| دبوس 68 | RH2 — GPIO |
| دبوس 69 | RH3 — GPIO |
| دبوس 70 | RH4 — GPIO |
| دبوس 71 | RH5 — GPIO |
| دبوس 72 | RH6 — GPIO |
| دبوس 73 | RH7 — GPIO |
| دبوس 74 | VSS — Digital ground |
| دبوس 75 | VDD — Digital supply voltage |
| دبوس 76 | RJ0 — GPIO |
| دبوس 77 | RJ1 — GPIO |
| دبوس 78 | RJ2 — GPIO |
| دبوس 79 | RJ3 — GPIO |
| دبوس 80 | RJ4 — GPIO |
التطبيقات النموذجية
PIC18F8310-E/PT مناسب لـ 7 التطبيقs: Industrial Manufacturing Equipment Control, Data Acquisition Systems, Environmental Monitoring Sensors, Power Conditioning Controllers, Telecom Line Card Interfaces, Consumer Appliance Controllers, Instrumentation and Monitoring.
Industrial Manufacturing Equipment Control
The PIC18F8310-E/PT is well suited to industrial manufacturing equipment controllers thanks to its -40C to +125C operating temperature range and 70 I/O pins. Its 8 KB Flash and 768-byte RAM support ladder-logic firmware, MODBUS RTU stacks, and multi-channel sensor conditioning code. The 25 MHz CPU and hardware UART enable real-time RS-485 communication with PLCs and HMIs, while the nanoWatt power management reduces idle current in always-on factory floor deployments.
موصى به
Data Acquisition Systems
The PIC18F8310-E/PT fits multi-channel data acquisition front-ends where its 70 I/O lines drive multiple analog inputs through the 10-bit ADC and parallel sensor interfaces. The 25 MHz core handles 200+ ksps aggregate sampling while UART/SPI peripherals stream data to host PCs. Its internal oscillator eliminates external crystals in compact DAQ modules, and the nanoWatt sleep modes cut quiescent current for battery-powered remote telemetry units.
موصى به
Environmental Monitoring Sensors
For environmental monitoring applications such as air-quality stations, weather loggers, and greenhouse controllers, the PIC18F8310-E/PT provides ample GPIO for sensor multiplexing plus UART/I2C buses for serial environmental sensors. Its extended temperature range ensures reliability in outdoor enclosures, and the 768-byte RAM buffers sensor data between WiFi/Ethernet transmissions. nanoWatt Technology enables solar-powered operation with sub-microamp sleep currents.
موصى به
Power Conditioning Controllers
Power conditioning modules such as PFC stages, UPS controllers, and solar inverters benefit from the PIC18F8310-E/PT's 25 MHz throughput and 70 GPIO for high-resolution PWM outputs and analog feedback loops. The extended temperature grade handles hard-switching thermal loads, while the internal oscillator simplifies BOM for cost-sensitive power supply designs. MSSP peripherals implement I2C communication with battery management ICs and digital potentiometers.
موصى به
Telecom Line Card Interfaces
The PIC18F8310-E/PT serves telecom line card supervision circuits by providing 70 GPIO for relay drivers, alarm inputs, and serial supervision links. Its hardware UART supports multi-drop RS-485 supervision buses, while SPI peripherals interface to FRAM for event logging. The -40C to +125C range suits outdoor cabinet and central-office deployments where ambient temperatures vary widely across seasons.
موصى به
Consumer Appliance Controllers
White-goods appliances such as washing machines, dishwashers, and ovens leverage the PIC18F8310-E/PT's 70 I/O for parallel keypad/display multiplexing, motor PWM, and sensor feedback. The nanoWatt power management suite cuts standby current below ENERGY STAR limits, while the 8 KB Flash accommodates appliance firmware plus user-interface libraries. Extended temperature support handles under-cabinet and outdoor-rated consumer appliances.
موصى به
Instrumentation and Monitoring
Bench instruments and process monitoring equipment benefit from the PIC18F8310-E/PT's flexible peripheral mix: 10-bit ADC for measurement inputs, UART for SCPI command parsing, and MSSP for SPI displays. Its 25 MHz instruction rate drives real-time waveform sampling, while the 70 GPIO handle keypad scanning, LCD multiplexing, and status LEDs without external glue logic. The extended temperature range supports laboratory and factory-floor deployment.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ PIC18F8310-E/PT — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | PIC18F8310-I/PT | PIC18F8410-I/PT | PIC18F6410-I/PT | PIC18F67K90-I/PT | PIC18F47K42-I/PT |
|---|---|---|---|---|---|---|
| Package | 80-TQFP (PT) | 80-TQFP (PT) - same | 80-TQFP (PT) - same | 64-TQFP - different | 64-TQFP - different | 80-TQFP - same footprint, modern family |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 8 KB | 8 KB | 16 KB | 8 KB | 128 KB | 128 KB |
| RAM Size | 768 bytes | 768 bytes | 768 bytes | 768 bytes | 4 KB | 8 KB |
| Maximum Clock Speed | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 64 MHz | 64 MHz |
| Operating Temperature | -40C to +125C (-E grade) | -40C to +85C (-I grade) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C |
| Number of I/O Pins | 70 | 70 | 70 | 54 (64-pin package) | 53 (64-pin package) | 70 |
| Core | PIC18 8-bit enhanced | PIC18 8-bit enhanced | PIC18 8-bit enhanced | PIC18 8-bit enhanced | PIC18 8-bit enhanced (K-series) | PIC18 8-bit K42 family |
أبرز الفروقات
- Extended -40C to +125C operating temperature range (مقابلPIC18F8310-I/PT)
- 70 GPIO pins without external I/O expanders (مقابلPIC18F6410-I/PT)
- Mature PIC18F6310/6410/8310/8410 family with extensive tool support (مقابلPIC18F67K90-I/PT)
ملاحظات التصميم
Place a 0.1 uF decoupling capacitor on each VDD/VSS pin pair and a bulk 10 uF tantalum or ceramic cap near the PIC18F8310-E/PT supply entry. The AVDD/AVSS analog supply pair should be filtered with a ferrite bead from VDD, with a separate 0.1 uF + 10 uF cap stack. For battery-backed designs, place a low-leakage diode between VDD and the backup battery to prevent reverse current during sleep modes.
Route the MCLR reset line away from high-frequency switching traces and keep it short. If using ICSP, route PGC and PGD as a matched pair with the same trace length to avoid programming issues. The 80-pin TQFP has 0.4 mm pitch - ensure your PCB fabrication uses 0.4 mm pitch pads with proper solder mask relief, and use a 4-mil (0.1 mm) trace/space design rule for fanouts under the package body.
When migrating PIC18F8310-E/PT firmware to the newer PIC18F47K42 or PIC18F67K90 families, configuration bits differ; the CONFIG1H, CONFIG2L, CONFIG2H, CONFIG3H, CONFIG4L, CONFIG5L, CONFIG5H, CONFIG6L, CONFIG6H, CONFIG7L, CONFIG7H register maps are not 1:1. Use MPLAB X IDE's migration guide or recompile with new header files. Also note that the PIC18F8310 does not have an internal reference voltage module; external VREF+ is required for ADC measurements above 4V.
Keep the 25 MHz oscillator traces short and symmetric. Use a guard ring around the XTAL traces connected to ground to minimize EMI radiation. For ADC accuracy, route analog signals (AN0-AN11) away from digital switching lines, especially PWM outputs and clock signals. Place the 10-bit ADC reference bypass capacitor (typically 0.1 uF + 10 uF) close to the VREF+ pin.
معلومات الامتثال
RoHS and REACH compliance data not provided in Verified Web Data; Microchip products are generally RoHS compliant but specific status should be confirmed with the manufacturer datasheet. AEC-Q100 qualification not applicable for this generic industrial-grade MCU.
