PIC18LF6393-I/PT - 8KB Flash 8-bit MCU w/ LCD Driver TQFP-64
부품 번호: PIC18LF6393-I/PT ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $7.1 | $7.10 |
| 10 | $6.35 | $63.50 |
| 100 | $5.65 | $565.00 |
| 500 | $5.05 | $2,525.00 |
| 1,000 | $4.55 | $4,550.00 |
PIC18LF6393-I/PT 개요
The PIC18LF6393 belongs to the PIC18F family of 8-bit microcontrollers, which use Microchip's enhanced RISC architecture. In the wider semiconductor taxonomy, PIC18F MCUs sit under the broader categories: 8-bit microcontroller -> microcontroller unit (MCU) -> embedded controller -> semiconductor IC. The "LF" prefix designates the low-voltage, extended-range variant supporting 2.0 V to 5.5 V operation, while the integrated LCD driver reduces BOM count in display-equipped products.
Key features include 54 digital I/O ports, three serial communication peripherals (I2C, SPI, and UART/USART), 128-segment LCD driver support, 12-bit ADC resolution, and a Flash-based program memory that supports in-circuit serial programming (ICSP). Industrial temperature range (-40C to +85C) makes the part suitable for factory-floor and outdoor equipment.
Typical applications include white goods and home appliances with segment LCD displays, medical instrumentation front panels, industrial control HMIs, automotive dashboard clusters, point-of-sale terminals, and metering equipment. The integrated 128-segment LCD controller eliminates the need for an external driver IC in human-machine interface designs.
When designing with this device, allocate one of the available timer modules for the LCD charge-pump reference if contrast stability is required. Designers migrating from PIC18F6393 to the LF variant gain lower-voltage operation at the cost of a slightly reduced maximum clock frequency.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
드롭인 대체품: PIC18LF6393-I/PT — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: PIC18LF6393-I/PT (동일 폼 팩터 및 풋프린트) — 차이점: Package, LCD Driver, Operating Temperature, Program Memory (Flash), ADC.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
PIC18F6393-I/PT
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
PIC18F6493-I/PT
✅ 드롭인✓ 재고 있음
$4.32 / 개
데이터시트 보기 →PIC18LF47J53-I/PT
✅ 드롭인✓ 재고 있음
$2.28 / 개
데이터시트 보기 →PIC18F46J50-I/PT
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
PIC18LF46J11-I/PT
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
PIC18LF6393-I/PT 최대 정격 & 전기적 특성
| Core Architecture | PIC18 8-bit RISC |
| Program Memory (Flash) | 8 KB (4K x 16) |
| RAM | 768 bytes |
| Maximum Clock Speed | 40 MHz |
| 공급 전압 | 4.2 V to 5.5 V |
| Digital I/O Pins | 54 |
| ADC | 12 channels x 12-bit |
| LCD Driver | Integrated, up to 128 segments |
| Serial Interfaces | I2C, SPI, UART/USART |
| 패키지 | TQFP-64 (PT), 10x10 mm, 1.0 mm pitch |
| 실장 유형 | Surface Mount |
| 동작 온도 | -40C to +85C (Industrial) |
| Lead-Free / RoHS | Yes / Compliant |
PIC18LF6393-I/PT 핀 구성
| 핀 1 | RC0 — Digital I/O / T0CKI |
| 핀 2 | RC1 — Digital I/O |
| 핀 3 | RC2 — Digital I/O / CCP1 |
| 핀 4 | RC3 — Digital I/O / SCL |
| 핀 5 | RC4 — Digital I/O / SDA |
| 핀 6 | RC5 — Digital I/O / SDO |
| 핀 7 | RC6 — Digital I/O / TX |
| 핀 8 | RC7 — Digital I/O / RX |
| 핀 9 | SEG0 — LCD segment output 0 |
| 핀 10 | SEG1 — LCD segment output 1 |
| 핀 11 | SEG2 — LCD segment output 2 |
| 핀 12 | SEG3 — LCD segment output 3 |
| 핀 13 | SEG4 — LCD segment output 4 |
| 핀 14 | SEG5 — LCD segment output 5 |
| 핀 15 | SEG6 — LCD segment output 6 |
| 핀 16 | SEG7 — LCD segment output 7 |
| 핀 17 | VDD — Positive supply voltage |
| 핀 18 | VSS — Ground |
| 핀 19 | OSC1/RA7 — Crystal oscillator input / digital I/O |
| 핀 20 | OSC2/RA6 — Crystal oscillator output / digital I/O |
| 핀 21 | LCDBIAS0 — LCD bias control 0 |
| 핀 22 | LCDBIAS1 — LCD bias control 1 |
| 핀 23 | LCDBIAS2 — LCD bias control 2 |
| 핀 24 | VLCAP1 — LCD charge pump capacitor 1 |
| 핀 25 | VLCAP2 — LCD charge pump capacitor 2 |
| 핀 26 | COM0 — LCD common output 0 |
| 핀 27 | COM1 — LCD common output 1 |
| 핀 28 | COM2 — LCD common output 2 |
| 핀 29 | COM3 — LCD common output 3 |
| 핀 30 | RE0 — Digital I/O |
| 핀 31 | RE1 — Digital I/O |
| 핀 32 | RE2 — Digital I/O |
| 핀 33 | RA0/AN0 — Digital I/O / ADC input 0 |
| 핀 34 | RA1/AN1 — Digital I/O / ADC input 1 |
| 핀 35 | RA2/AN2 — Digital I/O / ADC input 2 |
| 핀 36 | RA3/AN3 — Digital I/O / ADC input 3 |
| 핀 37 | RA4/AN4 — Digital I/O / ADC input 4 |
| 핀 38 | RA5/AN5 — Digital I/O / ADC input 5 |
| 핀 39 | VDD — Positive supply voltage |
| 핀 40 | VSS — Ground |
| 핀 41 | RB0/INT0 — Digital I/O / external interrupt 0 |
| 핀 42 | RB1/INT1 — Digital I/O / external interrupt 1 |
| 핀 43 | RB2 — Digital I/O |
| 핀 44 | RB3 — Digital I/O |
| 핀 45 | RB4 — Digital I/O |
| 핀 46 | RB5 — Digital I/O |
| 핀 47 | RB6/PGC — Digital I/O / ICSP clock |
| 핀 48 | RB7/PGD — Digital I/O / ICSP data |
| 핀 49 | MCLR — Master clear reset input |
| 핀 50 | RD0 — Digital I/O |
| 핀 51 | RD1 — Digital I/O |
| 핀 52 | RD2 — Digital I/O |
| 핀 53 | RD3 — Digital I/O |
| 핀 54 | RD4 — Digital I/O |
| 핀 55 | RD5 — Digital I/O |
| 핀 56 | RD6 — Digital I/O |
| 핀 57 | RD7 — Digital I/O |
| 핀 58 | SEG8 — LCD segment output 8 |
| 핀 59 | SEG9 — LCD segment output 9 |
| 핀 60 | SEG10 — LCD segment output 10 |
| 핀 61 | SEG11 — LCD segment output 11 |
| 핀 62 | SEG12 — LCD segment output 12 |
| 핀 63 | SEG13 — LCD segment output 13 |
| 핀 64 | VSS — Ground |
일반적인 애플리케이션
PIC18LF6393-I/PT 적합 용도: 6 애플리케이션s: White Goods / Home Appliance HMIs, Medical Instrumentation Front Panels, Industrial Control HMIs / Panel Meters, Automotive Dashboard Clusters (Non-Safety), Point-of-Sale Terminals, Utility Metering and Energy Monitors.
White Goods / Home Appliance HMIs
The PIC18LF6393-I/PT is purpose-built for white-goods human-machine interfaces that combine physical buttons, status LEDs, and segment-LCD readouts. The integrated 128-segment LCD controller drives temperature, time, mode, and fault indicators directly without an external charge-pump IC, cutting BOM cost and PCB area. The 12-bit ADC reads thermistor inputs from refrigerators, ovens, and washing machines with 0.1C resolution. With 54 I/O pins available, the part supports matrix-key scanning for 7-10 button arrays and triac/relay control for heater elements. The 4.2-5.5 V supply range is well-matched to rectified mains designs that already produce a 5 V rail. The industrial temperature grade (-40C to +85C) ensures reliable operation near heating elements.
추천
Medical Instrumentation Front Panels
Medical instruments such as blood-pressure monitors, glucose meters, and infusion pumps require reliable segment-LCD displays and precision analog measurement. The PIC18LF6393-I/PT's 128-segment LCD controller supports multi-digit numeric readouts plus status icons, while the 12-bit ADC delivers sufficient resolution for blood-pressure waveform sampling or glucose test-strip colorimetric readings. The 8 KB Flash and 768-byte RAM are adequate for menu state machines and small sensor-fusion algorithms. Three serial peripherals (I2C, SPI, UART) enable communication with blood-pressure cuffs, wireless modules, and host PCs. Industrial temperature range and Microchip's long-term product-support policy make the part attractive for medical designs that must remain in production for 10+ years.
추천
Industrial Control HMIs / Panel Meters
Factory-floor panel meters, pump controllers, and HVAC thermostats benefit from the PIC18LF6393-I/PT's combination of segment LCD and analog sensing. The 12-bit ADC reads 4-20 mA current loops via a shunt resistor, providing 16-bit effective dynamic range after oversampling. The 128-segment LCD displays process variables (temperature, pressure, flow) and setpoint indicators. The UART/USART enables Modbus RTU or proprietary industrial protocols to a PLC or SCADA master. The 40 MHz core executes control loops in well under 1 ms. Wide operating voltage and industrial temperature rating support outdoor enclosure installation. The integrated peripherals eliminate the need for a dedicated display driver, lowering total panel cost.
추천
Automotive Dashboard Clusters (Non-Safety)
Although the PIC18LF6393-I/PT is industrial-grade (-40C to +85C) rather than AEC-Q100 qualified, it can be used in non-safety automotive subsystems such as HVAC control panels, infotainment secondary displays, and climate-control readouts. The integrated 128-segment LCD controller drives classic pixel-style displays for temperature, fan speed, and mode selection. The 12-bit ADC reads potentiometer inputs for rotary knobs, while the I2C bus interfaces with the vehicle body-control module. The 5 V supply range matches the regulated rail available in many automotive subsystems. Designers targeting safety-relevant displays should use AEC-Q100 qualified PIC18F-family alternatives.
추천
Point-of-Sale Terminals
Compact point-of-sale terminals and payment-pin-pads require a low-cost MCU that can drive a small LCD, scan a keypad, and communicate with a card reader over UART or SPI. The PIC18LF6393-I/PT's 128-segment LCD suffices for amount and status display, while the 54 I/O pins support matrix keypads and LED indicators. The SPI peripheral talks to a contactless card-reader module at 1-10 MHz. The 768-byte RAM handles transaction buffering. The industrial temperature range ensures reliability in outdoor retail kiosks. The 8 KB Flash is adequate for embedded payment firmware with secure key storage in external EEPROM.
추천
Utility Metering and Energy Monitors
Single-phase electricity meters, water-meter displays, and gas-meter AMR endpoints are excellent fits for the PIC18LF6393-I/PT. The 12-bit ADC samples current and voltage waveforms for energy calculation; the 128-segment LCD shows consumption in cubic meters or kWh with multi-digit precision. The integrated LCD controller simplifies the meter's mechanical design by removing a separate driver IC. The 40 MHz core performs real-time RMS and power-factor calculations. The I2C peripheral interfaces with a metering-specific RTC or an RF module for AMR communication. Industrial temperature rating ensures reliability in basement or outdoor meter installations.
추천
추천 제품 요약
엔지니어링 참조 데이터: PIC18LF6393-I/PT — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | PIC18F6393-I/PT | PIC18F6493-I/PT | PIC18LF47J53-I/PT | PIC18F46J50-I/PT | PIC18LF46J11-I/PT |
|---|---|---|---|---|---|---|
| Package | TQFP-64 (PT) | TQFP-64 (PT) | TQFP-64 (PT) | TQFP-64 (PT) | TQFP-64 (PT) | TQFP-64 (PT) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 8 KB | 8 KB | 16 KB | 128 KB | 64 KB | 64 KB |
| Integrated LCD Driver | Yes (128 segments) | Yes (128 segments) | Yes (128 segments) | No | No | No |
| ADC Resolution | 12-bit | 12-bit | 12-bit | 12-bit | 10-bit | 10-bit |
| USB Support | No | No | No | Yes (USB 2.0 OTG) | Yes (USB 2.0) | No |
| Supply Voltage Range | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V |
| Max Clock Frequency | 40 MHz | 40 MHz | 40 MHz | 48 MHz | 48 MHz | 48 MHz |
주요 차별점
- Integrated 128-segment LCD controller eliminates external driver (vs PIC18F46J50-I/PT)
- 12-bit ADC doubles measurement precision over 10-bit variants (vs PIC18LF46J11-I/PT)
- 8 KB Flash sized for cost-sensitive HMI firmware (vs PIC18F6493-I/PT)
설계 노트
The PIC18LF6393-I/PT operates from 4.2 V to 5.5 V. Place a 100 nF ceramic decoupling capacitor as close as possible to each VDD/VSS pair (the device has two pairs: pins 17/18 and pins 39/40). Add a bulk 10 uF tantalum or aluminum-polymer capacitor on the 5 V rail near the MCU to suppress transient loading from the LCD charge pump, which can draw several hundred microamps during segment transitions.
Route the LCD segment lines (SEG0-SEG13 on this TQFP-64 variant, plus shared I/O) to minimize capacitive crosstalk. Keep SEG traces short and avoid running them parallel to high-frequency digital lines for more than a few millimeters. Place the VLCAP1 and VLCAP2 charge-pump capacitors (pins 24 and 25) within 5 mm of their respective pins with short, wide traces to ground; insufficient decoupling here causes LCD contrast drift and ghost-segment artifacts.
Do not confuse the LF suffix with full 2.0 V to 5.5 V wide-range operation. This specific TQFP-64 variant requires 4.2 V minimum. For designs that need sub-4.2 V operation (e.g., two alkaline cells at 3.0 V), migrate to the PIC18LF47J53 or PIC18LF46J11 family which provides true wide-range operation. Also note that the 64-pin TQFP variant supports the full 128-segment LCD, but smaller-package variants (e.g., 44-pin TQFP) have reduced segment counts.
The PIC18LF6393-I/PT uses ICSP via RB6/PGC and RB7/PGD. If these pins are also used as general-purpose I/O, add 4.7 kohm pull-down resistors on both PGC and PGD lines to prevent spurious programming-mode entry during reset glitches. For noise-sensitive analog inputs (AN0-AN5), add an RC low-pass filter (10 kohm + 100 pF) on each ADC input to reject HF noise from the LCD driver switching activity.
규정 준수 정보
RoHS compliant and lead-free per Microchip product page. Industrial temperature grade -40C to +85C. Not AEC-Q100 qualified; for automotive applications use PIC18F46K80-I/PT or similar AEC-Q100 parts.
