PIC18F66J93-I/PT - 48MHz, 64KB Flash LCD MCU, 64-TQFP | Microchip
MPN: PIC18F66J93-I/PT ✓ فعالPIC18F66J93-I/PT جائزہ
What is an 8-bit LCD microcontroller? An 8-bit LCD microcontroller is a single-chip computer that combines a CPU, non-volatile Flash memory, RAM, peripherals, and an integrated segmented LCD driver. The PIC18F66J93 belongs to the taxonomy: microcontroller -> 8-bit MCU -> PIC18 family -> PIC18J LCD sub-family -> power-managed (nanoWatt XLP). It is typically chosen when a product needs a graphical or numeric LCD readout without an external LCD controller, plus analog sensing.
Key features include 64 KB of self-programmable Flash, 4 KB of RAM, integrated segmented LCD driver (up to 64 segments typical), 12-bit A/D with 12 input channels, nanoWatt XLP for ultra-low sleep currents, multiple communication peripherals (UART, SPI, I2C), and a wide operating voltage range. The integrated LCD driver eliminates an external charge-pump IC and reduces BOM cost in handheld products.
From a technical-depth perspective, the PIC18F66J93 uses an enhanced Harvard architecture with a C-optimized instruction set, hardware multiplier, and 31-level hardware stack. The nanoWatt XLP technology delivers deep-sleep currents in the nanoampere range, making the device suitable for battery-powered meters. The integrated 12-bit ADC includes internal reference and automatic acquisition modes for accurate sensor measurements.
Typical applications include handheld battery-powered meters, thermostats and HVAC controllers, home security panels, portable medical devices (glucometers, BP monitors), and utility metering products. The combination of integrated LCD, ADC, and low-power operation makes the part a single-chip solution for these applications.
When designing with this device, plan the LCD segment routing carefully because the maximum segment count depends on the chosen pin assignment and multiplexing mode. Use Microchip's MPLAB X IDE and the PIC18F66J93 Peripheral Library to accelerate firmware development. Provide a decoupling capacitor pair (100 nF + 10 uF) close to VDD/VSS to ensure ADC and LCD reference stability.
This page synthesizes distributor pricing, drop-in compatible PIC18 family alternatives from the same TQFP-64 footprint, and practical design notes not consolidated in the manufacturer datasheet alone.
کے لیے ڈراپ اِن متبادل PIC18F66J93-I/PT — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں PIC18F66J93-I/PT (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, ADC, Operating Temperature, Core, LCD Driver.
PIC18F66J94-I/PT
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18F65J94-I/PT
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18F66J90-I/PT
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC18F66J55-I/PT
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18F66J50T-I/PT
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18F66J93-I/PT زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Product Family | PIC18J (LCD PIC18) |
| Core | 8-bit PIC18 enhanced Harvard |
| CPU Speed | 48 MHz (12 MIPS) |
| Program Memory (Flash) | 64 KB (32K x 16) |
| RAM | 4 KB |
| ADC | 12-bit, 12 channels |
| LCD Driver | Integrated segmented LCD controller |
| Communication | UART, SPI, I2C |
| Low Power Technology | nanoWatt XLP |
| پیکیج | TQFP-64 (PT) 10x10 mm |
| آپریٹنگ درجہ حرارت رینج | -40C to +85C (Industrial, -I suffix) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| MSL لیول | 3 (168 hours) |
| RoHS اسٹیٹس | Compliant |
PIC18F66J93-I/PT پن کنفیگریشن
| پن 1 | VDD — Positive supply voltage |
| پن 2 | OSC1 — External oscillator input |
| پن 3 | OSC2 — External oscillator output |
| پن 4 | MCLR — Master clear / reset input |
| پن 5 | RA0/AN0 — PORTA bit 0 / analog input 0 |
| پن 6 | RA1/AN1 — PORTA bit 1 / analog input 1 |
| پن 7 | RA2/AN2 — PORTA bit 2 / analog input 2 |
| پن 8 | RA3/AN3 — PORTA bit 3 / analog input 3 |
| پن 9 | RA4/AN4 — PORTA bit 4 / analog input 4 |
| پن 10 | RA5/AN5 — PORTA bit 5 / analog input 5 |
| پن 11 | RA6 — PORTA bit 6 |
| پن 12 | RA7 — PORTA bit 7 |
| پن 13 | VSS — Ground reference |
| پن 14 | RB0/INT0 — PORTB bit 0 / external interrupt 0 |
| پن 15 | RB1/INT1 — PORTB bit 1 / external interrupt 1 |
| پن 16 | RB2 — PORTB bit 2 |
| پن 17 | RB3 — PORTB bit 3 |
| پن 18 | RB4 — PORTB bit 4 |
| پن 19 | RB5 — PORTB bit 5 |
| پن 20 | RB6/PGC — PORTB bit 6 / ICSP clock |
| پن 21 | RB7/PGD — PORTB bit 7 / ICSP data |
| پن 22 | RC0 — PORTC bit 0 |
| پن 23 | RC1 — PORTC bit 1 |
| پن 24 | RC2 — PORTC bit 2 |
| پن 25 | RC3 — PORTC bit 3 |
| پن 26 | RC4 — PORTC bit 4 |
| پن 27 | RC5 — PORTC bit 5 |
| پن 28 | RC6 — PORTC bit 6 |
| پن 29 | RC7 — PORTC bit 7 |
| پن 30 | VSS — Ground reference |
| پن 31 | VDD — Positive supply voltage |
| پن 32 | RD0 — PORTD bit 0 |
| پن 33 | RD1 — PORTD bit 1 |
| پن 34 | RD2 — PORTD bit 2 |
| پن 35 | RD3 — PORTD bit 3 |
| پن 36 | RD4 — PORTD bit 4 |
| پن 37 | RD5 — PORTD bit 5 |
| پن 38 | RD6 — PORTD bit 6 |
| پن 39 | RD7 — PORTD bit 7 |
| پن 40 | RE0 — PORTE bit 0 |
| پن 41 | RE1 — PORTE bit 1 |
| پن 42 | RE2 — PORTE bit 2 |
| پن 43 | RE3 — PORTE bit 3 |
| پن 44 | RE4 — PORTE bit 4 |
| پن 45 | RE5 — PORTE bit 5 |
| پن 46 | RE6 — PORTE bit 6 |
| پن 47 | RE7 — PORTE bit 7 |
| پن 48 | RF0 — PORTF bit 0 (LCD segment) |
| پن 49 | RF1 — PORTF bit 1 (LCD segment) |
| پن 50 | RF2 — PORTF bit 2 (LCD segment) |
| پن 51 | RF3 — PORTF bit 3 (LCD segment) |
| پن 52 | RF4 — PORTF bit 4 (LCD segment) |
| پن 53 | RF5 — PORTF bit 5 (LCD segment) |
| پن 54 | RF6 — PORTF bit 6 (LCD segment) |
| پن 55 | RF7 — PORTF bit 7 (LCD segment) |
| پن 56 | RG0 — PORTG bit 0 |
| پن 57 | RG1 — PORTG bit 1 |
| پن 58 | RG2 — PORTG bit 2 |
| پن 59 | RG3 — PORTG bit 3 |
| پن 60 | RG4 — PORTG bit 4 |
| پن 61 | AVDD — Analog supply voltage |
| پن 62 | AVSS — Analog ground |
| پن 63 | VLCD1 — LCD bias voltage 1 |
| پن 64 | VLCD2 — LCD bias voltage 2 |
عام استعمالات
PIC18F66J93-I/PT کے لیے موزوں ہے 6 ایپلیکیشنs: Handheld Battery-Powered Meters, Thermostats and HVAC Controllers, Home Security Panels, Portable Medical Devices, Utility Metering (Electric / Water / Gas), Industrial Control Panels.
Handheld Battery-Powered Meters
The PIC18F66J93-I/PT's nanoWatt XLP technology delivers nanoampere sleep currents and integrated 12-bit ADC makes it ideal for handheld battery-powered meters (multimeters, clamp meters). The integrated segmented LCD driver eliminates an external charge-pump IC, reducing BOM cost. Typical designs run from 2xAA cells with the 64 KB Flash and 4 KB RAM supporting user interface, calibration, and measurement history. The wide operating voltage and -40C to +85C industrial range suit outdoor metering installations.
تجویز کردہ
Thermostats and HVAC Controllers
With integrated LCD driver and 12 channels of 12-bit ADC, the PIC18F66J93-I/PT supports thermostats that display temperature, humidity, schedule, and HVAC state on a segmented LCD without an external driver. The 12 MIPS CPU enables real-time PID control loops for HVAC actuators. nanoWatt XLP allows the thermostat to retain battery-backed timekeeping for months. The 64-pin TQFP provides ample I/O for buttons, relays, and sensor interfaces.
تجویز کردہ
Home Security Panels
The PIC18F66J93-I/PT fits home security panels needing a keypad + LCD interface, multiple wired sensor zones, and a low-power standby state. Its 12-bit ADC reads multiple analog sensor channels (PIR, smoke, CO), while the integrated LCD displays zone status without an external charge-pump. UART peripherals drive GSM/Wi-Fi modules for alarm reporting. The PIC18F66J93 industrial temperature range suits garage or outdoor-mounted panels.
تجویز کردہ
Portable Medical Devices
Portable medical devices such as glucometers, BP monitors, and pulse oximeters benefit from the PIC18F66J93-I/PT's integrated 12-bit ADC (for analog sensor front ends), low-power nanoWatt XLP (extending battery life), and segmented LCD driver (displaying readings without extra ICs). The 64 KB Flash accommodates medical-grade firmware with calibration routines and on-screen user prompts. The wide temperature range supports refrigerated pharmaceutical storage monitoring.
تجویز کردہ
Utility Metering (Electric / Water / Gas)
The PIC18F66J93-I/PT is well-suited to electric, water, and gas meters that demand reliable LCD display, accurate analog sensing, and battery life measured in years. nanoWatt XLP enables sleep currents below 100 nA in metering idle mode. The 12-bit ADC and integrated LCD directly handle current-sense front ends and segmented numeric readouts. Industrial temperature range ensures operation in outdoor metering enclosures and meter pits.
تجویز کردہ
Industrial Control Panels
Industrial control panels with HMI LCD readouts benefit from the PIC18F66J93-I/PT's combination of segmented LCD, 12-bit ADC, UART/SPI/I2C peripherals, and robust -40C to +85C industrial temperature range. The 12 MIPS CPU executes menu and PID control code, while the integrated peripherals drive RS-485, Modbus, or CAN modules. The TQFP-64 footprint allows compact panel designs with sufficient I/O for buttons, LEDs, and relay drivers.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC18F66J93-I/PT — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC18F66J94-I/PT | PIC18F65J94-I/PT | PIC18F66J90-I/PT | PIC18F66J55-I/PT | PIC18F66J50T-I/PT |
|---|---|---|---|---|---|---|
| Package | TQFP-64 (PT) 10x10 mm | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64 KB | 64-128 KB (variant) | 64 KB | 64 KB | 64 KB | 64 KB |
| RAM | 4 KB | 4-8 KB (variant) | 4 KB | 4 KB | 4 KB | 4 KB |
| CPU Speed | 48 MHz / 12 MIPS | 48 MHz / 12 MIPS | 48 MHz / 12 MIPS | 40 MHz / 10 MIPS | 48 MHz / 12 MIPS | 48 MHz / 12 MIPS |
| ADC Resolution | 12-bit, 12 channels | 12-bit, 12 channels | 12-bit, 12 channels | 10-bit, 12 channels | 10-bit, 12 channels | 12-bit, 12 channels |
| Integrated LCD Driver | Yes | Yes (more segments) | Yes | Yes | Yes | Yes |
| nanoWatt XLP Low Power | Yes | Yes | Yes | No | Yes | Yes |
اہم امتیازی خصوصیات
- Integrated segmented LCD driver eliminates external charge-pump IC (بمقابلہPIC18F46K22-I/PT)
- nanoWatt XLP ultra-low sleep current for battery applications (بمقابلہPIC18F66J90-I/PT)
- 12-bit ADC vs 10-bit ADC for higher-precision analog sensing (بمقابلہPIC18F66J55-I/PT)
ڈیزائن نوٹس
Place a 100 nF ceramic decoupling capacitor within 5 mm of every VDD pin and a 10 uF bulk capacitor near the IC supply. Estimated: total VDD pin count is 4 (digital VDD + analog AVDD), so a 4-cap local-decoupling network plus shared bulk cap is recommended. This suppresses switching noise and ensures ADC reference stability. For battery-powered designs, route the MCU's regulated supply from an LDO with low quiescent current (e.g., MCP1700) to minimize sleep current.
Do not confuse the Industrial (-I) and Extended (-E) temperature suffixes; PIC18F66J93-I/PT is rated -40C to +85C, suitable for consumer/industrial products but NOT automotive. For automotive or outdoor-extreme environments, choose the AEC-Q100-qualified equivalent. Also confirm the bootloader/Firmware ID (DevID) before programming to avoid flashing the wrong family member. MCLR must be pulled high through a resistor for normal operation; tying it directly to VDD disables in-circuit programming.
Route the LCD segment signals to the chosen LCD glass layout carefully - the maximum segment count depends on pin assignment and multiplexing mode (1/2, 1/3, 1/4 bias). Estimated: with all 64 pins assigned, the device supports up to ~192 segments in 1/4 bias mode. Use Microchip's MPLAB X IDE with the PIC18F66J93 Peripheral Library to autogenerate configuration code, reducing firmware cycle time. Place VLCD1/VLCD2 filter caps near the IC and isolate analog AVDD from digital VDD by ferrite bead.
تعمیل کی معلومات
RoHS compliant per Microchip product page. Industrial -I temperature grade (-40C to +85C). AEC-Q100 qualification: not_applicable for this part number - contact Microchip for automotive-grade equivalents.
