PIC18F83J90-I/PT - 8KB Flash LCD MCU, 80-TQFP | Microchip
MPN: PIC18F83J90-I/PT ✓ فعالPIC18F83J90-I/PT جائزہ
An 8-bit microcontroller is a microprocessor with an internal data path and ALU width of eight bits, optimized for cost-sensitive embedded control. Within the broader taxonomy, this device is a Microcontroller Unit (MCU) -> 8-bit MCU -> PIC18 family -> PIC18J sub-family (nanoWatt XLP + LCD variant). The LCD driver and nanoWatt XLP low-power technology make this PIC18 member a frequent choice for battery-powered, segment-display products such as meters and thermostats.
Key features include 8KB (4K x 16) of self-programmable Flash, 1KB RAM, integrated 10-bit ADC (up to 12 channels), two analog comparators, two UART/USART, SPI, I2C (MSSP), 4 timers, a parallel slave port, and an on-chip LCD driver that can typically drive up to 192 segments (device-dependent). The industrial -40C to +85C temperature grade and 67 I/O lines allow direct connection to keypads, displays, sensors, and external memory or communication buses.
The PIC18J core delivers hardware multiplication, a 16-bit wide instruction path, and nanoWatt XLP technology with sub-microamp sleep currents, plus an ultra-low-power real-time clock/calendar mode. The integrated segmented LCD controller eliminates the need for an external driver IC, reducing BOM cost and PCB area in human-machine-interface products.
Typical applications include handheld meters, thermostats, home security panels, medical instruments, utility metering, and industrial control with LCD display. The wide I/O count and segment-LCD controller suit products that need both a user panel and multiple sensor or communication interfaces.
Designers should provide proper decoupling (100 nF near each VDD pair plus a bulk 10 uF), keep analog traces short and guarded when using the ADC, and use the ICD/ICSP programming pins for in-circuit debugging via MPLAB tools.
This page combines distributor pricing, drop-in alternatives from the Site MPN list, and practical design notes not found in the manufacturer datasheet, giving engineers a faster engineering decision path.
کے لیے ڈراپ اِن متبادل PIC18F83J90-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 PIC18F83J90-I/PT (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Core Architecture, I/O Pins, Program Memory (Flash), Operating Temperature, Package.
PIC18F85J90-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18F86J90-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18F83J90T-I/PT
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC18F65J90-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18F84J90-I/PT
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18F63J90-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18F83J90-I/PT زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | PIC18 (8-bit RISC, 16-bit instruction path) |
| Family | PIC18J (nanoWatt XLP + LCD) |
| Program Memory (Flash) | 8 KB (4K x 16) |
| RAM | 1024 bytes |
| Maximum CPU Frequency | 40 MHz (10 MIPS) |
| Operating Voltage (VDD) | 2.0 V to 3.6 V |
| I/O Pins | 67 (digital) + LCD segment pins |
| LCD Segment Driver | Integrated, up to ~192 segments (device-dependent) |
| ADC | 10-bit, multi-channel (12 channels typical) |
| Analog Comparators | 2 |
| Timers | 4 (8-bit / 16-bit mix) |
| Communication | 2x UART, SPI, I2C (MSSP) |
| Parallel Slave Port | Yes |
| پیکیج | 80-pin TQFP (PT), 12x12 mm, 1 mm height |
| آپریٹنگ درجہ حرارت | -40C to +85C (Industrial, -I) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| MSL لیول | 3 (per JEDEC J-STD-020) |
| RoHS اسٹیٹس | Compliant |
| Programming/Debug | ICSP / ICD via MPLAB |
PIC18F83J90-I/PT پن کنفیگریشن
| پن 1 | SEG0 — LCD segment output 0 |
| پن 2 | SEG1 — LCD segment output 1 |
| پن 3 | SEG2 — LCD segment output 2 |
| پن 4 | SEG3 — LCD segment output 3 |
| پن 5 | SEG4 — LCD segment output 4 |
| پن 6 | SEG5 — LCD segment output 5 |
| پن 7 | SEG6 — LCD segment output 6 |
| پن 8 | SEG7 — LCD segment output 7 |
| پن 9 | SEG8 — LCD segment output 8 |
| پن 10 | SEG9 — LCD segment output 9 |
| پن 11 | VDD — Positive supply voltage (2.0-3.6 V) |
| پن 12 | VSS — Ground reference |
| پن 13 | OSC1/CLKIN — Oscillator input / external clock input |
| پن 14 | OSC2/CLKOUT — Oscillator output |
| پن 15 | MCLR — Master clear reset (active low) |
| پن 16 | RA0/AN0 — Port A bit 0 / analog input 0 |
| پن 17 | RA1/AN1 — Port A bit 1 / analog input 1 |
| پن 18 | RA2/AN2 — Port A bit 2 / analog input 2 |
| پن 19 | RA3/AN3 — Port A bit 3 / analog input 3 |
| پن 20 | RA4 — Port A bit 4 |
| پن 21 | RA5/AN4 — Port A bit 5 / analog input 4 |
| پن 22 | RA6 — Port A bit 6 |
| پن 23 | RA7 — Port A bit 7 |
| پن 24 | VSS — Ground |
| پن 25 | RB0/INT0 — Port B bit 0 / external interrupt 0 |
| پن 26 | RB1/INT1 — Port B bit 1 / external interrupt 1 |
| پن 27 | RB2/INT2 — Port B bit 2 / external interrupt 2 |
| پن 28 | RB3 — Port B bit 3 |
| پن 29 | RB4 — Port B bit 4 |
| پن 30 | RB5 — Port B bit 5 |
| پن 31 | RB6/PGC — Port B bit 6 / ICSP clock |
| پن 32 | RB7/PGD — Port B bit 7 / ICSP data |
| پن 33 | RC0 — Port C bit 0 |
| پن 34 | RC1 — Port C bit 1 |
| پن 35 | RC2 — Port C bit 2 |
| پن 36 | RC3 — Port C bit 3 |
| پن 37 | RC4 — Port C bit 4 |
| پن 38 | RC5 — Port C bit 5 |
| پن 39 | RC6/TX — Port C bit 6 / UART TX |
| پن 40 | RC7/RX — Port C bit 7 / UART RX |
| پن 41 | RD0 — Port D bit 0 |
| پن 42 | RD1 — Port D bit 1 |
| پن 43 | RD2 — Port D bit 2 |
| پن 44 | RD3 — Port D bit 3 |
| پن 45 | RD4 — Port D bit 4 |
| پن 46 | RD5 — Port D bit 5 |
| پن 47 | RD6 — Port D bit 6 |
| پن 48 | RD7 — Port D bit 7 |
| پن 49 | RE0/RD — Port E bit 0 / PSP read |
| پن 50 | RE1/WR — Port E bit 1 / PSP write |
| پن 51 | RE2/CS — Port E bit 2 / PSP chip select |
| پن 52 | RE3 — Port E bit 3 |
| پن 53 | RE4 — Port E bit 4 |
| پن 54 | RE5 — Port E bit 5 |
| پن 55 | RE6 — Port E bit 6 |
| پن 56 | RE7 — Port E bit 7 |
| پن 57 | RF0 — Port F bit 0 |
| پن 58 | RF1 — Port F bit 1 |
| پن 59 | RF2 — Port F bit 2 |
| پن 60 | RF3 — Port F bit 3 |
| پن 61 | RF4 — Port F bit 4 |
| پن 62 | RF5 — Port F bit 5 |
| پن 63 | RF6 — Port F bit 6 |
| پن 64 | RF7 — Port F bit 7 |
| پن 65 | RG0 — Port G bit 0 |
| پن 66 | RG1 — Port G bit 1 |
| پن 67 | RG2 — Port G bit 2 |
| پن 68 | RG3 — Port G bit 3 |
| پن 69 | RG4 — Port G bit 4 |
| پن 70 | AVDD — Analog positive supply |
| پن 71 | AVSS — Analog ground |
| پن 72 | COM0 — LCD common output 0 |
| پن 73 | COM1 — LCD common output 1 |
| پن 74 | COM2 — LCD common output 2 |
| پن 75 | COM3 — LCD common output 3 |
| پن 76 | VLCD1 — LCD bias voltage 1 |
| پن 77 | VLCD2 — LCD bias voltage 2 |
| پن 78 | VLCD3 — LCD bias voltage 3 |
| پن 79 | VDD — Positive supply voltage |
| پن 80 | VSS — Ground |
عام استعمالات
PIC18F83J90-I/PT کے لیے موزوں ہے 7 ایپلیکیشنs: Handheld Digital Multimeters, Programmable Thermostats, Home Security Panels, Utility Gas and Water Meters, Industrial Process Indicators, Medical Infusion Monitors, Consumer Appliance User Interfaces.
Handheld Digital Multimeters
The PIC18F83J90-I/PT is well-suited for handheld digital multimeters because its integrated LCD segment driver can drive a 3.5- to 4.5-digit numeric display directly, removing the need for an external LCD controller and saving BOM cost. With 8KB Flash and 1KB RAM, the MCU handles auto-ranging, RMS calculation, and EEPROM-trend storage easily. Its nanoWatt XLP sleep current below 1 uA lets handheld meters run for thousands of hours on a single 9V or AAA cell. The 67 I/O lines accept rotary switch, mode button, continuity buzzer, and serial-port signal inputs without external multiplexing.
تجویز کردہ
Programmable Thermostats
For programmable thermostats, the PIC18F83J90-I/PT's on-chip LCD driver delivers the segment-based temperature, mode, and schedule readouts typical in wall-mount HVAC controllers. The 67 I/O lines accept keypad inputs, relay drivers for HVAC stages, and NTC thermistor connections through the 10-bit ADC. nanoWatt XLP technology keeps idle current under 1 uA, allowing the thermostat to draw from common-wire 24 VAC without bulky isolation. The 2.0-3.6 V supply range also suits battery-backed time-of-use retention across power outages.
تجویز کردہ
Home Security Panels
The PIC18F83J90-I/PT fits home security panels because its 67 I/O lines handle multiple zone inputs, keypad scanning, siren drivers, and communication with central-station modems or wireless transceivers. Integrated LCD segment driver lets the panel show zone status, fault codes, and arm/disarm feedback without an external display IC. The PIC18J nanoWatt XLP deep-sleep mode keeps the panel in armed-standby below 1 uA while still allowing timer-based wake-up for periodic zone polling. Field firmware updates via ICSP simplify post-install updates and security patches.
تجویز کردہ
Utility Gas and Water Meters
Utility gas and water meters benefit from the PIC18F83J90-I/PT's integrated LCD segment driver, which can drive the rolling-cubic-foot or cubic-meter display plus annunciators for leak, battery, and tamper flags without an external driver. The 10-bit ADC captures pulse-train flow-sensor inputs, while the nanoWatt XLP sleep current below 1 uA enables 10+ year battery life expected by utility AMR/AMI programs. The 67 I/O lines also accommodate optical tamper switches, valve-control outputs, and an optional wireless AMR module on a UART port.
تجویز کردہ
Industrial Process Indicators
Industrial process indicators (tank level, pH, pressure, temperature) fit the PIC18F83J90-I/PT profile because the integrated LCD segment driver can drive 4- to 6-digit numeric displays plus status icons for alarm and relay state. The 10-bit ADC reads 4-20 mA loop or 0-10 V process signals through external resistor scaling; the 67 I/O lines drive relay outputs, 4-20 mA loop-power control, and keypad entry. nanoWatt XLP technology keeps field-powered loop indicators under tight thermal budgets.
تجویز کردہ
Medical Infusion Monitors
Battery-powered medical infusion and patient monitors can leverage the PIC18F83J90-I/PT's integrated LCD segment driver for dose, rate, and alarm readouts, eliminating external display ICs and reducing patient-side leakage paths. The 67 I/O lines drive stepper-motor drivers for syringe pumps, watchdog alarm buzzers, and keypad input for clinical staff. The PIC18J nanoWatt XLP deep-sleep mode keeps the infusion pump in standby at sub-1 uA between dosing cycles. Note: medical IEC 60601-1 safety isolation must be addressed externally to the MCU.
تجویز کردہ
Consumer Appliance User Interfaces
Washing machines, ovens, dishwashers, and similar white goods benefit from the PIC18F83J90-I/PT's on-chip LCD segment driver, which can drive cycle-status, timer, and temperature readouts without a separate display IC. The 67 I/O lines accept capacitive-touch buttons, rotary encoders, and triac-driven AC loads. PIC18J nanoWatt XLP standby current keeps ENERGY STAR standby budgets intact. The wide 2.0-3.6 V supply range simplifies integration with single-cell Li-ion backup for clock retention.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC18F83J90-I/PT — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC18F85J90-I/PT | PIC18F86J90-I/PT | PIC18F83J90T-I/PT | PIC18F65J90-I/PT | PIC18F63J90-I/PT |
|---|---|---|---|---|---|---|
| Package | TQFP-80 (12x12 mm) | TQFP-80 (same) | TQFP-80 (same) | TQFP-80 (same) | TQFP-80 (same) | TQFP-80 (same) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | PIC18J 8-bit | PIC18J 8-bit | PIC18J 8-bit | PIC18J 8-bit | PIC18J 8-bit | PIC18J 8-bit |
| Flash | 8 KB | 32 KB (+300%) | 64 KB (+700%) | 8 KB (same) | 32 KB (+300%) | 8 KB (same) |
| RAM | 1024 B | 2048 B (+100%) | 4096 B (+300%) | 1024 B (same) | 2048 B (+100%) | 1024 B (same) |
| I/O Pins | 67 | 67 (same) | 67 (same) | 67 (same) | 53 | 34 |
| LCD Driver | Integrated (~192 seg) | Integrated (~192 seg) | Integrated (~192 seg) | Integrated (~192 seg) | Integrated (less seg) | Integrated (less seg) |
| Operating Voltage | 2.0-3.6 V | 2.0-3.6 V | 2.0-3.6 V | 2.0-3.6 V | 2.0-3.6 V | 2.0-3.6 V |
| Max Clock | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
اہم امتیازی خصوصیات
- Higher Flash headroom at same TQFP-80 footprint (بمقابلہPIC18F83J90T-I/PT)
- Maximum 67 I/O with integrated LCD (بمقابلہPIC18F63J90-I/PT)
- Industry-standard PIC18J core with nanoWatt XLP (بمقابلہHigher-pin-count PIC24/dsPIC alternatives)
ڈیزائن نوٹس
Decoupling: place a 100 nF X7R ceramic between each VDD/VSS pair (typically 4 VDD pins on TQFP-80) plus one 10 uF bulk capacitor near the MCU. For the analog AVDD/AVSS pair, use a separate 100 nF + 10 uF LC-filtered supply when using the ADC at high resolution. nanoWatt XLP sleep current below 1 uA requires proper decoupling during Sleep mode transitions - inadequate bypass can cause spurious wake-ups.
Layout for the LCD segment driver: route SEG and COM traces as short and parallel as possible to maintain equal segment drive impedance. Provide a guard ring around analog ADC inputs (AN0-ANx) tied to AVSS to suppress digital switching noise coupling into the 10-bit ADC. Keep the VLCD charge-pump capacitors (typically 1 uF X7R on VLCD1/2/3) within 5 mm of the respective pins to minimise ripple.
Do not confuse the PIC18F83J90 with the PIC18F83J11 family - they have different peripherals and different pin counts despite similar prefixes. Also note: PIC18F83J90 is in the J (3.3V) family, NOT the K (5V) family - operating above 3.6 V will damage the part. Industrial -I grade parts require -40C to +85C operating range; do not substitute -E grade parts in extended-temperature designs.
Crystal oscillator placement: keep the crystal within 5 mm of OSC1/OSC2 with short, equal-length traces and a ground guard ring. For 40 MHz operation, source a crystal with ESR < 30 ohm and load capacitance matching the configured OSCCON bits. If using the internal LF-INTOSC, leave OSC1/OSC2 as no-connect or drive with the configured HF-INTOSC output to avoid stray pickup.
تعمیل کی معلومات
RoHS compliance per Microchip product page. Lead-free TQFP (PT suffix) packaging per JEDEC J-STD-020 MSL-3. AEC-Q100 not applicable for industrial-grade microcontrollers; for automotive designs see PIC18FxxK90 automotive variants.