PIC18F8310-E/PT - 8KB Flash 70 I/O MCU | Microchip 80-TQFP
MPN： PIC18F8310-E/PT ✓ 啟用中PIC18F8310-E/PT 概覽
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.
直接替換替代品，適用於 PIC18F8310-E/PT — 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： PIC18F8310-E/PT （相同外形與佔位） — 差異在於 Core Architecture, ADC, Package, Operating Temperature Range, Timers.
PIC18F8310-I/PT
✅ 直接替換📋 參考替代品（不在目錄中）
PIC18F8410-I/PT
✅ 直接替換聯絡詢價
查看資料表 →PIC18F6410-I/PT
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
PIC18F67J10-I/PT
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC18F67K90-I/PT
✅ 直接替換聯絡詢價
查看資料表 →PIC18F47K42-I/PT
✅ 直接替換聯絡詢價
查看資料表 →PIC18F8310-E/PT 最大額定值與電氣特性
| Program Memory Size | 8 KB (4K x 16) |
| RAM Size | 768 bytes |
| Number of I/O Pins | 70 |
| 封裝 / 外殼 | 80-TQFP |
| Core Architecture | PIC 8-bit (PIC18 enhanced RISC) |
| Maximum Clock Speed | 25 MHz |
| 工作電源電壓 | 4.2 V to 5.5 V (typical 5 V) |
| Oscillator Type | Internal |
| 工作溫度範圍 | -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 |
| 安裝類型 | Surface Mount |
| Packaging | Tray |
| Power Management | nanoWatt Technology |
PIC18F8310-E/PT 腳位配置
| 腳位 1 | OSC1/CLKI/RA7 — Oscillator input / GPIO |
| 腳位 2 | OSC2/CLKO/RA6 — Oscillator output / GPIO |
| 腳位 3 | MCLR — Master clear reset input |
| 腳位 4 | RA0/AN0 — GPIO / analog input 0 |
| 腳位 5 | RA1/AN1 — GPIO / analog input 1 |
| 腳位 6 | RA2/AN2/VREF- — GPIO / analog input 2 / ADC VREF- |
| 腳位 7 | RA3/AN3/VREF+ — GPIO / analog input 3 / ADC VREF+ |
| 腳位 8 | RA4 — GPIO (open-drain capable) |
| 腳位 9 | RA5/AN4 — GPIO / analog input 4 |
| 腳位 10 | VDD — Digital supply voltage (4.2V-5.5V) |
| 腳位 11 | VSS — Digital ground |
| 腳位 12 | RB0/INT0 — GPIO / external interrupt 0 |
| 腳位 13 | RB1/INT1 — GPIO / external interrupt 1 |
| 腳位 14 | RB2/INT2 — GPIO / external interrupt 2 |
| 腳位 15 | RB3 — GPIO |
| 腳位 16 | RB4 — GPIO (interrupt-on-change) |
| 腳位 17 | RB5 — GPIO (interrupt-on-change) |
| 腳位 18 | RB6/PGC — GPIO / ICSP clock (interrupt-on-change) |
| 腳位 19 | RB7/PGD — GPIO / ICSP data (interrupt-on-change) |
| 腳位 20 | AVDD — Analog supply voltage |
| 腳位 21 | AVSS — Analog ground |
| 腳位 22 | RC0 — GPIO / T1OSO/T1CKI |
| 腳位 23 | RC1 — GPIO / T1OSI/CCP2 |
| 腳位 24 | RC2/CCP1 — GPIO / Capture/Compare/PWM 1 |
| 腳位 25 | RC3 — GPIO / SPI/I2C clock |
| 腳位 26 | RC4 — GPIO / SPI data in |
| 腳位 27 | RC5 — GPIO / SPI data out |
| 腳位 28 | RC6/TX1/CK1 — GPIO / USART1 TX |
| 腳位 29 | RC7/RX1/DT1 — GPIO / USART1 RX |
| 腳位 30 | RD0 — GPIO / PSP data 0 |
| 腳位 31 | RD1 — GPIO / PSP data 1 |
| 腳位 32 | RD2 — GPIO / PSP data 2 |
| 腳位 33 | RD3 — GPIO / PSP data 3 |
| 腳位 34 | RD4 — GPIO / PSP data 4 |
| 腳位 35 | RD5 — GPIO / PSP data 5 |
| 腳位 36 | RD6 — GPIO / PSP data 6 |
| 腳位 37 | RD7 — GPIO / PSP data 7 |
| 腳位 38 | VSS — Digital ground |
| 腳位 39 | VDD — Digital supply voltage |
| 腳位 40 | RE0/RD — GPIO / parallel slave port read |
| 腳位 41 | RE1/WR — GPIO / parallel slave port write |
| 腳位 42 | RE2/CS — GPIO / parallel slave port chip select |
| 腳位 43 | RE3 — GPIO (digital-only, no analog) |
| 腳位 44 | RE4 — GPIO (digital-only) |
| 腳位 45 | RE5 — GPIO (digital-only) |
| 腳位 46 | RE6 — GPIO (digital-only) |
| 腳位 47 | RE7 — GPIO (digital-only) |
| 腳位 48 | VDD — Digital supply voltage |
| 腳位 49 | VSS — Digital ground |
| 腳位 50 | RF0/AN5 — GPIO / analog input 5 |
| 腳位 51 | RF1/AN6 — GPIO / analog input 6 |
| 腳位 52 | RF2/AN7 — GPIO / analog input 7 |
| 腳位 53 | RF3/AN8 — GPIO / analog input 8 |
| 腳位 54 | RF4/AN9 — GPIO / analog input 9 |
| 腳位 55 | RF5/AN10 — GPIO / analog input 10 |
| 腳位 56 | RF6/AN11 — GPIO / analog input 11 |
| 腳位 57 | RF7 — GPIO (digital-only) |
| 腳位 58 | RG0 — GPIO / CCP3 |
| 腳位 59 | RG1 — GPIO / TX2/CK2 |
| 腳位 60 | RG2 — GPIO / RX2/DT2 |
| 腳位 61 | RG3 — GPIO |
| 腳位 62 | RG4 — GPIO |
| 腳位 63 | RG5 — GPIO |
| 腳位 64 | RG6 — GPIO |
| 腳位 65 | RG7 — GPIO |
| 腳位 66 | RH0 — GPIO |
| 腳位 67 | RH1 — GPIO |
| 腳位 68 | RH2 — GPIO |
| 腳位 69 | RH3 — GPIO |
| 腳位 70 | RH4 — GPIO |
| 腳位 71 | RH5 — GPIO |
| 腳位 72 | RH6 — GPIO |
| 腳位 73 | RH7 — GPIO |
| 腳位 74 | VSS — Digital ground |
| 腳位 75 | VDD — Digital supply voltage |
| 腳位 76 | RJ0 — GPIO |
| 腳位 77 | RJ1 — GPIO |
| 腳位 78 | RJ2 — GPIO |
| 腳位 79 | RJ3 — GPIO |
| 腳位 80 | RJ4 — GPIO |
典型應用
PIC18F8310-E/PT 適用於 7 應用s: 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.
推薦
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.
推薦
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.
推薦
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.
推薦
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.
推薦
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.
推薦
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.
推薦
推薦產品摘要
工程參考資料，適用於 PIC18F8310-E/PT — 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 | 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 |
主要差異化特點
- Extended -40C to +125C operating temperature range (對比PIC18F8310-I/PT)
- 70 GPIO pins without external I/O expanders (對比PIC18F6410-I/PT)
- Mature PIC18F6310/6410/8310/8410 family with extensive tool support (對比PIC18F67K90-I/PT)
設計說明
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.
合規資訊
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.
