{"id":6497,"date":"2026-06-17T03:22:49","date_gmt":"2026-06-17T03:22:49","guid":{"rendered":"https:\/\/materialparts.com\/pic18f65k22-i-pt\/"},"modified":"2026-06-17T03:22:49","modified_gmt":"2026-06-17T03:22:49","slug":"pic18f65k22-i-pt","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/pic18f65k22-i-pt\/","title":{"rendered":"PIC18F65K22-I\/PT"},"content":{"rendered":"<h2>\u4ea7\u54c1\u6982\u89c8<\/h2>\n<p>The PIC18F65K22-I\/PT is a high-performance 8-bit PIC18 microcontroller from Microchip Technology featuring 32KB Flash, 3.9KB RAM, 1KB EEPROM, and 54 I\/O pins. Running at up to 64 MHz, it integrates dual EUSART, multiple SPI\/I2C, 12-bit ADC with 30 channels, and advanced PWM in a 64-pin TQFP package for demanding embedded control applications.<\/p>\n<h2>\u4e3b\u8981\u89c4\u683c<\/h2>\n<ul>\n<li>Core: PIC18 Enhanced, 16-bit instruction word, 2-stage pipeline<\/li>\n<li>Max Frequency: 64 MHz (16 MIPS)<\/li>\n<li>Flash: 32KB<\/li>\n<li>RAM: 3.9KB<\/li>\n<li>Data EEPROM: 1KB<\/li>\n<li>ADC: 12-bit, 30 channels<\/li>\n<li>Comparators: 2x with SR latch<\/li>\n<li>Interfaces: 2x EUSART, 2x MSSP (SPI\/I2C), 1x AUSART<\/li>\n<li>PWM: 5 ECCP + 3 CCP modules<\/li>\n<li>Timers: 1x 8-bit, 4x 16-bit<\/li>\n<li>CTMU: Charge Time Measurement Unit (touch sensing)<\/li>\n<li>GPIO: 54 I\/O<\/li>\n<li>Supply Voltage: 1.8V ~ 5.5V<\/li>\n<li>Operating Temperature: -40\u00b0C ~ 85\u00b0C<\/li>\n<li>Package: TQFP-64 (10 x 10 mm)<\/li>\n<\/ul>\n<h2>\u7279\u70b9<\/h2>\n<ul>\n<li>Enhanced PIC18 core with 16-bit instruction word and linear program memory<\/li>\n<li>Hardware multiply: 8&#215;8 in single cycle<\/li>\n<li>Dual UART with LIN, IrDA, and RS-485 support<\/li>\n<li>12-bit high-resolution ADC with 30 channels<\/li>\n<li>5 ECCP modules with auto-shutdown and PWM steering<\/li>\n<li>CTMU for capacitive touch sensing and precise timing<\/li>\n<li>Internal 16 MHz oscillator with 4x PLL for 64 MHz operation<\/li>\n<li>Hardware RTCC (Real-Time Clock and Calendar)<\/li>\n<li>Extreme Low-Power (XLP) technology: 34 nA sleep current<\/li>\n<\/ul>\n<h2>\u5e94\u7528<\/h2>\n<ul>\n<li>Industrial motor control<\/li>\n<li>Multi-channel data acquisition<\/li>\n<li>Power conversion and management<\/li>\n<li>Building automation controllers<\/li>\n<li>Automotive body electronics<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Product Overview The PIC18F65K22-I\/PT is a high-performance 8-bit PIC18 microcontroller from Microchip Technology featuring 32KB Flash, 3.9KB RAM, 1KB EEPROM, and 54 I\/O pins. Running at up to 64 MHz, it integrates dual EUSART, multiple SPI\/I2C, 12-bit ADC with 30 channels, and advanced PWM in a 64-pin TQFP package for demanding embedded control applications. Key [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,25],"tags":[],"chip_brand":[134],"class_list":["post-6497","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-microcontrollers-mcu","chip_brand-microchip"],"acf":{"brief_explanation":"8-bit PIC18 MCU, 64MHz, 32KB Flash, 3.9KB RAM, 12-bit 30-ch ADC, 2x UART, 5x PWM, TQFP-64","date_code":"","package_case":"TQFP-64 (10 x 10 mm)","in_stock":4100,"datasheet":"https:\/\/ww1.microchip.com\/downloads\/en\/DeviceDoc\/41433C.pdf","price":"$4.85","product_introduction":"The PIC18F65K22-I\/PT from Microchip Technology is a high-performance 8-bit microcontroller from the PIC18F K22 family, offering 32KB Flash, 3.9KB RAM, and 1KB data EEPROM. The device operates at up to 64 MHz using an internal oscillator with 4x PLL, delivering 16 MIPS performance. A key feature is the 12-bit ADC with 30 input channels, providing high-resolution analog measurement capability for multi-channel sensor systems. The five Enhanced CCP modules support advanced PWM control with auto-shutdown, dead-band, and steering for complex motor drive applications. The CTMU enables capacitive touch sensing without external components, and the dual EUSART with LIN support simplifies automotive and industrial networking.","working_principle":"The PIC18F65K22-I\/PT operates on Microchip's enhanced PIC18 architecture with a 16-bit instruction word and two-stage pipeline. The internal 16 MHz oscillator feeds a 4x PLL to generate the 64 MHz system clock. The 12-bit ADC uses a successive approximation architecture with up to 30 multiplexed input channels and hardware oversampling capability. The five ECCP modules each provide capture, compare, and enhanced PWM functions with auto-shutdown for fault protection and PWM steering to redirect output signals. The CTMU (Charge Time Measurement Unit) measures capacitance changes for touch sensing applications and can also be used as a precise time measurement source. The dual MSSP modules support both SPI (clock rates up to FOSC\/4) and I2C (with 7\/10-bit addressing and masking) for flexible peripheral communication.","pin_description":"<table><tr><th>Pin<\/th><th>Name<\/th><th>Function<\/th><\/tr><tr><td>1<\/td><td>MCLR\/RE3<\/td><td>Master Clear \/ Port E3<\/td><\/tr><tr><td>2<\/td><td>RA0\/AN0<\/td><td>Port A0 \/ ADC Channel 0<\/td><\/tr><tr><td>3<\/td><td>RA1\/AN1<\/td><td>Port A1 \/ ADC Channel 1<\/td><\/tr><tr><td>4<\/td><td>RA2\/AN2\/Vref-<\/td><td>Port A2 \/ ADC Ch2 \/ Vref-<\/td><\/tr><tr><td>5<\/td><td>RA3\/AN3\/Vref+<\/td><td>Port A3 \/ ADC Ch3 \/ Vref+<\/td><\/tr><tr><td>6<\/td><td>RA4\/AN4\/T0CKI<\/td><td>Port A4 \/ ADC Ch4 \/ Timer0 Clock<\/td><\/tr><tr><td>7<\/td><td>RA5\/AN5\/SS<\/td><td>Port A5 \/ ADC Ch5 \/ SPI SS<\/td><\/tr><tr><td>8<\/td><td>RE0\/AN5\/P2B<\/td><td>Port E0 \/ ADC \/ PWM P2B<\/td><\/tr><\/table>","application_scenarios":"The PIC18F65K22-I\/PT excels in industrial motor control applications where its five ECCP PWM modules enable complex multi-phase drive patterns. For multi-channel data acquisition, the 12-bit 30-channel ADC combined with the CTMU enables simultaneous measurement of multiple sensor inputs with touch-button user interfaces. In power conversion systems, the auto-shutdown PWM feature provides immediate hardware fault protection when overcurrent is detected. Building automation controllers benefit from the dual EUSART supporting both Modbus RTU (RS-485) and LIN bus protocols on separate ports. The 54 I\/O pins provide sufficient connectivity for complex control panels with displays, buttons, and communication interfaces.","alternative_models":"<table><tr><th>Model<\/th><th>Manufacturer<\/th><th>Key Difference<\/th><\/tr><tr><td>PIC18F66K22-I\/PT<\/td><td>Microchip<\/td><td>64KB Flash, 3.8KB RAM<\/td><\/tr><tr><td>PIC18F65K80-I\/PT<\/td><td>Microchip<\/td><td>With CAN 2.0B controller<\/td><\/tr><tr><td>PIC18F67K22-I\/PT<\/td><td>Microchip<\/td><td>128KB Flash, TQFP-64<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/6497","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=6497"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/6497\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=6497"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=6497"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=6497"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=6497"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}