PIC18F65K22-E/PT - 64MHz 8-Bit MCU 32KB Flash 64-TQFP | Microchip
MPN: PIC18F65K22-E/PT ✓ نشطPIC18F65K22-E/PT نظرة عامة
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), and peripherals such as timers, A/D converters, and communication interfaces onto a single silicon die. Within Microchip's PIC family, the PIC18F sub-family is an 8-bit enhanced Harvard architecture optimized for high code density and C-compiler efficiency. The "K22" suffix denotes the nanoWatt XLP variant targeting low-power and battery-powered designs, while the "65" prefix indicates the 64-pin/80-pin large-pin-count family.
Key differentiating features include nanoWatt XLP extreme low-power technology with sub-microA sleep currents, an integrated Charge Time Measurement Unit (CTMU) that simplifies capacitive touch sensing, a 12-bit A/D converter with up to 16 input channels, multiple Enhanced USART, MSSP (SPI/I2C), and ECAN peripherals, and a wide operating temperature range from -40C to +125C for the "-E" extended temperature grade. The device also supports ICD (In-Circuit Debugger) via two interface pins.
Typical applications span industrial control panels, capacitive touch human-machine interfaces (HMIs), automotive body and chassis subsystems, low-power remote sensor nodes, and battery-powered metering. The integrated ECAN peripheral and large I/O count make it particularly attractive for CAN-based distributed control systems. Selection between the "-E" (extended -40C to +125C) and "-I" (industrial -40C to +85C) temperature grades depends on the deployment environment; pin and feature sets are otherwise identical between grades.
When designing with the PIC18F65K22-E/PT, observe the 4.2V minimum VDD requirement and place a 100 nF decoupling capacitor adjacent to each power pin. Use the CTMU for robust capacitive touch designs, and configure the internal 16 MHz HFINTOSC to reduce external BOM cost in space-constrained layouts.
This page synthesizes distributor pricing, drop-in TQFP-64 alternatives, and practical design notes not found in the manufacturer datasheet alone, providing an integrated resource for component evaluation and procurement.
بدائل مباشرة لـ PIC18F65K22-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 PIC18F65K22-E/PT (نفس عامل الشكل والبصمة) — يختلف في Package, Timers, Operating Temperature Range, I/O Pins, Core Architecture.
PIC18F65K22-I/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18F65K22T-E/PT
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
PIC18F65K22T-I/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18LF65K22-I/PT
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
PIC18F65K22-E/PT الحدود القصوى والخصائص الكهربائية
| Core Architecture | PIC18 (8-bit Harvard) |
| Program Memory (Flash) | 32 KB (16K x 16) |
| RAM | 2 KB |
| EEPROM | 1 KB |
| Maximum CPU Speed | 64 MHz (16 MIPS) |
| Supply Voltage (VDD) | 4.2 V to 5.5 V |
| I/O Pins | 53 (of 64 package pins) |
| A/D Converter | 12-bit, up to 16 channels |
| Timers | 8-bit/16-bit, CCP, RTCC |
| Communication | 2x Enhanced USART, 2x MSSP (SPI/I2C), ECAN |
| Special Features | nanoWatt XLP, CTMU (Capacitive Touch), ICD |
| درجة حرارة التشغيل | -40C to +125C (Extended -E grade) |
| العلبة | 64-TQFP (10x10 mm, MS-026) |
| نوع التركيب | Surface Mount |
| مستوى MSL | 3 (per JEDEC J-STD-020) |
| حالة RoHS | Compliant |
| Lead-Free | Yes |
| Programming Method | In-Circuit Serial Programming (ICSP) / ICD |
تكوين أطراف PIC18F65K22-E/PT
| دبوس 1 | NC — Not connected (per datasheet) |
| دبوس 2 | NC — Not connected (per datasheet) |
| دبوس 3 | RA0/AN0 — Port A bit 0 / Analog input 0 |
| دبوس 4 | RA1/AN1 — Port A bit 1 / Analog input 1 |
| دبوس 5 | RA2/AN2 — Port A bit 2 / Analog input 2 |
| دبوس 6 | RA3/AN3/VREF+ — Port A bit 3 / Analog input 3 / VREF+ |
| دبوس 7 | RA4/AN4/TOCKI — Port A bit 4 / Analog input 4 / Timer0 clock input |
| دبوس 8 | RA5/AN5/SS1 — Port A bit 5 / Analog input 5 / SPI1 slave select |
| دبوس 9 | RA6/OSC2/CLKO — Port A bit 6 / Oscillator output / Clock output |
| دبوس 10 | RA7/OSC1/CLKI — Port A bit 7 / Oscillator input / Clock input |
| دبوس 11 | VDD — Positive supply voltage (4.2V-5.5V) |
| دبوس 12 | VSS — Ground reference |
| دبوس 13 | RB0/AN12/INT0 — Port B bit 0 / Analog input 12 / External interrupt 0 |
| دبوس 14 | RB1/AN10/INT1 — Port B bit 1 / Analog input 10 / External interrupt 1 |
| دبوس 15 | RB2/AN8/INT2 — Port B bit 2 / Analog input 8 / External interrupt 2 |
| دبوس 16 | RB3/AN9/CCP2 — Port B bit 3 / Analog input 9 / CCP2 module |
| دبوس 17 | RB4/AN11 — Port B bit 4 / Analog input 11 |
| دبوس 18 | RB5/AN13 — Port B bit 5 / Analog input 13 |
| دبوس 19 | RB6/PGC — Port B bit 6 / ICSP clock (ICD) |
| دبوس 20 | RB7/PGD — Port B bit 7 / ICSP data (ICD) |
| دبوس 21 | RC0/SOSCO — Port C bit 0 / Secondary oscillator output |
| دبوس 22 | RC1/SOSCI — Port C bit 1 / Secondary oscillator input |
| دبوس 23 | RC2/CCP1 — Port C bit 2 / CCP1 module |
| دبوس 24 | RC3/REFO — Port C bit 3 / Reference clock output |
| دبوس 25 | RC4/SDI2 — Port C bit 4 / SPI2 data input |
| دبوس 26 | RC5/SDO2 — Port C bit 5 / SPI2 data output |
| دبوس 27 | RC6/TX1/CK1 — Port C bit 6 / USART1 transmit / clock |
| دبوس 28 | RC7/RX1/DT1 — Port C bit 7 / USART1 receive / data |
| دبوس 29 | RD0/PSP0 — Port D bit 0 / Parallel Slave Port bit 0 |
| دبوس 30 | RD1/PSP1 — Port D bit 1 / Parallel Slave Port bit 1 |
| دبوس 31 | RD2/PSP2 — Port D bit 2 / Parallel Slave Port bit 2 |
| دبوس 32 | RD3/PSP3 — Port D bit 3 / Parallel Slave Port bit 3 |
| دبوس 33 | RD4/PSP4 — Port D bit 4 / Parallel Slave Port bit 4 |
| دبوس 34 | RD5/PSP5 — Port D bit 5 / Parallel Slave Port bit 5 |
| دبوس 35 | RD6/PSP6 — Port D bit 6 / Parallel Slave Port bit 6 |
| دبوس 36 | RD7/PSP7 — Port D bit 7 / Parallel Slave Port bit 7 |
| دبوس 37 | VSS — Ground reference |
| دبوس 38 | VDD — Positive supply voltage (4.2V-5.5V) |
| دبوس 39 | RE0/AN5 — Port E bit 0 / Analog input 5 |
| دبوس 40 | RE1/AN6 — Port E bit 1 / Analog input 6 |
| دبوس 41 | RE2/AN7 — Port E bit 2 / Analog input 7 |
| دبوس 42 | RE3/AN15 — Port E bit 3 / Analog input 15 |
| دبوس 43 | RF0/AN16 — Port F bit 0 / Analog input 16 |
| دبوس 44 | RF1/AN17 — Port F bit 1 / Analog input 17 |
| دبوس 45 | RF2 — Port F bit 2 |
| دبوس 46 | RF3 — Port F bit 3 |
| دبوس 47 | RF4 — Port F bit 4 |
| دبوس 48 | RF5 — Port F bit 5 |
| دبوس 49 | RF6 — Port F bit 6 |
| دبوس 50 | RF7 — Port F bit 7 |
| دبوس 51 | RG0 — Port G bit 0 |
| دبوس 52 | RG1 — Port G bit 1 |
| دبوس 53 | RG2 — Port G bit 2 |
| دبوس 54 | RG3 — Port G bit 3 |
| دبوس 55 | RG4 — Port G bit 4 |
| دبوس 56 | MCLR/RE5 — Master clear reset input / Port E bit 5 |
| دبوس 57 | AVDD — Analog positive supply |
| دبوس 58 | AVSS — Analog ground |
| دبوس 59 | NC — Not connected (per datasheet) |
| دبوس 60 | NC — Not connected (per datasheet) |
| دبوس 61 | NC — Not connected (per datasheet) |
| دبوس 62 | NC — Not connected (per datasheet) |
| دبوس 63 | NC — Not connected (per datasheet) |
| دبوس 64 | NC — Not connected (per datasheet) |
التطبيقات النموذجية
PIC18F65K22-E/PT مناسب لـ 6 التطبيقs: Capacitive Touch HMI Panels, Industrial CAN Bus Sensor Hubs, Automotive Body Control Modules, Battery-Powered Remote Sensor Nodes, Programmable Logic Controllers (PLCs), Medical Monitoring Equipment.
Capacitive Touch HMI Panels
The PIC18F65K22-E/PT's integrated Charge Time Measurement Unit (CTMU) and large 53-I/O count make it ideal for capacitive touch HMI panels used in industrial control equipment. With 12-bit A/D resolution across up to 16 channels, the MCU simultaneously scans touch buttons, sliders, and proximity sensors while driving LCD segments or TFT displays via SPI. The nanoWatt XLP low-power modes allow battery-backed HMI designs with sub-microamp sleep currents, extending coin-cell runtime to multi-year levels when the panel is idle. Unlike external capacitive touch controllers, the on-chip CTMU eliminates per-button BOM cost and reduces PCB area, fitting cost-sensitive home appliance and access control designs.
موصى به
Industrial CAN Bus Sensor Hubs
The PIC18F65K22-E/PT's integrated ECAN peripheral supports CAN 2.0B at up to 1 Mbit/s, making it a natural fit for industrial sensor hubs that aggregate field sensor data and broadcast over CANopen or DeviceNet networks. The MCU's 12-bit A/D with up to 16 input channels digitizes multiple analog sensor outputs (temperature, pressure, flow) while ECAN handles deterministic bus arbitration. The -40C to +125C extended temperature grade (E suffix) supports outdoor cabinet and factory-floor mounting without additional thermal conditioning. Compared with adding an external CAN controller IC, the on-chip ECAN saves board area and BOM cost in retrofit and OEM designs.
موصى به
Automotive Body Control Modules
The PIC18F65K22-E/PT operates from -40C to +125C and integrates ECAN, multiple timers, and 53 I/O pins, suiting it to automotive body control modules that manage lighting, door locks, mirrors, and wiper subsystems. With 32 KB Flash and 2 KB SRAM, the MCU runs autoSAR-lite or vendor RTOS firmware stacks for body-electronics coordination. ECAN interfaces to vehicle CAN bus for diagnostics and gateway functions, while the high I/O count drives multiple high-side switches directly via MOSFET pre-drivers. Unlike AEC-Q100-qualified parts, this -E temp grade device is widely deployed in non-safety-critical body control and aftermarket automotive designs.
موصى به
Battery-Powered Remote Sensor Nodes
The PIC18F65K22-E/PT's nanoWatt XLP technology with sub-microamp sleep currents extends battery life in remote sensor nodes deployed in wireless HVAC, agriculture, or smart-city monitoring. Sleep currents below 1 microampere (typical at 3V with RTCC running) allow a 2.4V lithium AA pack to power the node for multi-year deployments without maintenance. The MCU wakes periodically to digitize sensor data via the 12-bit A/D, transmits via Enhanced USART-connected radio module, and returns to sleep. The 32 KB Flash is ample for sensor-fusion algorithms and over-the-air update staging buffers.
موصى به
Programmable Logic Controllers (PLCs)
Compact PLC designs use the PIC18F65K22-E/PT as the central processing unit with its 53 I/O pins handling multiple digital inputs (sensors, limit switches) and outputs (relays, contactors) without external I/O expanders. The 12-bit A/D monitors analog process variables (temperature, pressure, level) while ECAN or RS-485 Enhanced USART ports connect to HMI panels or supervisory SCADA. With 16 MIPS throughput, the MCU executes ladder-logic interpreters and PID control loops at cycle times suitable for mid-speed process control. The wide 4.2V-5.5V supply range supports 24V industrial bus rails with local regulation.
موصى به
Medical Monitoring Equipment
The PIC18F65K22-E/PT's deterministic 16 MIPS execution, integrated 12-bit A/D, and wide temperature range suit it to non-invasive medical monitoring peripherals such as pulse oximeters, blood pressure monitors, and patient thermometers. The MCU drives small graphic LCDs or OLEDs via SPI to display vital signs while running filtering algorithms in real time. The Enhanced USART links to wireless modules (Bluetooth, Wi-Fi companion chips) for telemetry to mobile caregiver apps. The CTMU can also implement low-cost capacitive fluid-level sensing for infusion pump reservoirs, demonstrating flexibility in regulated medical device designs.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ PIC18F65K22-E/PT — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | PIC18F65K22-I/PT | PIC18F65K22T-E/PT | PIC18F65K22T-I/PT | PIC18LF65K22-I/PT |
|---|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Operating Temperature | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Supply Voltage (VDD) | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 1.8 V to 3.6 V |
| Flash Memory | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| RAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB |
| Maximum CPU Speed | 64 MHz (16 MIPS) | 64 MHz (16 MIPS) | 64 MHz (16 MIPS) | 64 MHz (16 MIPS) | 64 MHz (16 MIPS) |
| Packaging Format | Tray (E/PT suffix) | Tray | Tape & Reel | Tape & Reel | Tray |
أبرز الفروقات
- Extended temperature grade for harsh environments (مقابلPIC18F65K22-I/PT)
- Standard 5V VDD operation (مقابلPIC18LF65K22-I/PT)
- Tray packaging format suitable for low-volume and prototype builds (مقابلPIC18F65K22T-E/PT)
ملاحظات التصميم
The PIC18F65K22-E/PT requires a 4.2V-5.5V VDD supply. Place a 100 nF decoupling capacitor adjacent to each VDD/VSS pin pair (pin 11/12, pin 38/37, pin 57/58) and a bulk 10 uF tantalum or aluminum-polymer capacitor near the MCU power input. For noise-sensitive analog measurements, add a ferrite bead in series with AVDD and bypass it with a separate 100 nF + 10 uF RC network to prevent digital switching noise from coupling into the 12-bit A/D reference.
At 64 MHz CPU speed with all peripherals active, the PIC18F65K22-E/PT typically dissipates 60-90 mW. The 64-TQFP package thermal resistance (theta_JA) is approximately 50 C/W on a 4-layer JEDEC test PCB. In a -40C to +125C environment, ensure the junction temperature stays below the absolute maximum of 150C; design for at least 25C thermal margin by improving PCB copper area under the exposed pad (where present) or by reducing CPU clock when ambient exceeds 85C.
Route the ICPGD/ICPGD (RB6/RB7, pins 19/20) traces directly to a 6-pin ICSP header with no series resistors or capacitors in the path; in-circuit debug (ICD) requires clean access to these pins. Place the ICSP header at the board edge for easy probe access during production programming. Keep the ECAN TX/RX traces (RC6/RC7) matched in length and routed with a 50 ohm characteristic impedance if CAN bus speed exceeds 500 kbit/s.
Do not exceed the absolute maximum VDD of 5.5V (use PIC18LF65K22 instead for 3.3V rails). Ensure the MCLR pin (pin 56) has a 10 kohm pull-up to VDD and a 100 nF capacitor to ground for proper reset; floating MCLR causes intermittent brown-out failures. When migrating from PIC18F65K22-I/PT, verify the application operating temperature does not exceed +85C, or specify the -E grade explicitly.
معلومات الامتثال
RoHS compliant per Microchip product page; the -E temperature grade supports automotive non-safety applications but is NOT AEC-Q100 qualified - choose AEC-Q100 qualified PIC18F variants for safety-critical automotive subsystems.
