{"id":6500,"date":"2026-06-17T03:22:53","date_gmt":"2026-06-17T03:22:53","guid":{"rendered":"https:\/\/materialparts.com\/pic18f452-i-p\/"},"modified":"2026-06-17T03:22:53","modified_gmt":"2026-06-17T03:22:53","slug":"pic18f452-i-p","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/pic18f452-i-p\/","title":{"rendered":"PIC18F452-I\/P"},"content":{"rendered":"<h2>\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n<p>The PIC18F452-I\/P from Microchip Technology is a high-performance 8-bit PIC18 microcontroller with 32KB Flash, 1.5KB RAM, and 256 bytes EEPROM in a 40-pin PDIP through-hole package. Operating at up to 40 MHz, it features 8-channel 10-bit ADC, MSSP (SPI\/I2C), USART, and 5 PWM channels for general-purpose embedded control.<\/p>\n<h2>\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n<ul>\n<li>Core: PIC18, 16-bit instruction word<\/li>\n<li>Max Frequency: 40 MHz (10 MIPS)<\/li>\n<li>Flash: 32KB<\/li>\n<li>RAM: 1.5KB<\/li>\n<li>Data EEPROM: 256 bytes<\/li>\n<li>ADC: 10-bit, 8 channels<\/li>\n<li>Interfaces: MSSP (SPI\/I2C), USART, PSP<\/li>\n<li>CCP: 2x (Capture\/Compare\/PWM)<\/li>\n<li>Timers: 1x 8-bit, 3x 16-bit<\/li>\n<li>GPIO: 33 I\/O<\/li>\n<li>Supply Voltage: 2.0V ~ 5.5V<\/li>\n<li>Operating Temperature: -40\u00b0C ~ 85\u00b0C<\/li>\n<li>Package: PDIP-40 (through-hole)<\/li>\n<\/ul>\n<h2>\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n<ul>\n<li>Enhanced PIC18 core with 16-bit instructions<\/li>\n<li>8&#215;8 hardware multiplier (single cycle)<\/li>\n<li>Parallel Slave Port (PSP) for direct MCU-to-MCU communication<\/li>\n<li>MSSP supporting SPI (master\/slave) and I2C (master\/slave)<\/li>\n<li>USART with RS-485\/9-bit support<\/li>\n<li>Internal 4 MHz RC oscillator with programmable prescaler<\/li>\n<li>ICSP and ICD support<\/li>\n<li>Self-programmable Flash under software control<\/li>\n<\/ul>\n<h2>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n<ul>\n<li>Embedded control systems<\/li>\n<li>Data acquisition and logging<\/li>\n<li>Communication gateways<\/li>\n<li>Motor control and drive<\/li>\n<li>Educational and prototyping platforms<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Product Overview The PIC18F452-I\/P from Microchip Technology is a high-performance 8-bit PIC18 microcontroller with 32KB Flash, 1.5KB RAM, and 256 bytes EEPROM in a 40-pin PDIP through-hole package. Operating at up to 40 MHz, it features 8-channel 10-bit ADC, MSSP (SPI\/I2C), USART, and 5 PWM channels for general-purpose embedded control. Key Specifications Core: PIC18, 16-bit [&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-6500","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, 40MHz, 32KB Flash, 1.5KB RAM, 10-bit ADC, USART\/SPI\/I2C, PDIP-40","date_code":"","package_case":"PDIP-40","in_stock":3200,"datasheet":"https:\/\/ww1.microchip.com\/downloads\/en\/devicedoc\/39564c.pdf","price":"$5.20","product_introduction":"The PIC18F452-I\/P from Microchip Technology is a mature high-performance 8-bit microcontroller from the PIC18F452 family, widely used in embedded control applications and educational environments. With 32KB Flash, 1.5KB RAM, and 256 bytes data EEPROM, it provides ample memory for complex control algorithms. The device integrates a 10-bit 8-channel ADC, two CCP modules with PWM, and the MSSP module supporting both SPI and I2C communication. The Parallel Slave Port (PSP) enables high-speed data transfer to another microcontroller or processor without serial protocol overhead. The I\/P suffix indicates industrial temperature range in a 40-pin PDIP through-hole package, ideal for prototyping and small-volume production.","working_principle":"The PIC18F452-I\/P operates on Microchip's PIC18 enhanced architecture with a 16-bit instruction word and 2-stage pipeline for efficient code execution. The hardware 8x8 multiplier completes multiplication in a single cycle, accelerating DSP-like calculations. The 10-bit ADC uses successive approximation with configurable reference voltage sources and can operate in sleep mode for noise-free conversion. The MSSP module supports full SPI master\/slave and I2C master\/slave with 7\/10-bit addressing. The PSP provides an 8-bit bidirectional data bus with control signals (CS, RD, WR) for direct connection to another processor's parallel port. Two CCP modules provide capture, compare, and PWM functions for motor control and timing applications.","pin_description":"<table><tr><th>Pin<\/th><th>Name<\/th><th>Function<\/th><\/tr><tr><td>1<\/td><td>MCLR\/Vpp<\/td><td>Master Clear \/ Programming voltage<\/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\/T0CKI<\/td><td>Port A4 \/ Timer0 Clock Input<\/td><\/tr><tr><td>7<\/td><td>RA5\/AN4\/SS<\/td><td>Port A5 \/ ADC Ch4 \/ SPI Slave Select<\/td><\/tr><tr><td>8<\/td><td>VSS<\/td><td>Ground<\/td><\/tr><tr><td>9<\/td><td>OSC1\/CLKI<\/td><td>Oscillator Input<\/td><\/tr><tr><td>10<\/td><td>OSC2\/CLKO<\/td><td>Oscillator Output<\/td><\/tr><\/table>","application_scenarios":"The PIC18F452-I\/P is a well-established platform for embedded control education, with extensive code libraries and textbook examples available. In industrial data acquisition, the 8-channel ADC and PSP enable simultaneous measurement and parallel data transfer to a host processor. For communication gateways, the USART and MSSP support conversion between RS-485 and I2C\/SPI buses. The PDIP-40 package makes it ideal for breadboard prototyping and one-off projects where surface-mount assembly is impractical. Its 40 MHz operation and hardware multiplier provide sufficient performance for real-time control loops in motor drive and power conversion applications.","alternative_models":"<table><tr><th>Model<\/th><th>Manufacturer<\/th><th>Key Difference<\/th><\/tr><tr><td>PIC18F4520-I\/P<\/td><td>Microchip<\/td><td>Enhanced, nanoWatt technology, lower power<\/td><\/tr><tr><td>PIC18F4550-I\/P<\/td><td>Microchip<\/td><td>With USB 2.0, 48MHz, PDIP-40<\/td><\/tr><tr><td>PIC18F4620-I\/P<\/td><td>Microchip<\/td><td>64KB Flash, 4KB RAM, 10-bit ADC<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/6500","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=6500"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/6500\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=6500"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=6500"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=6500"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=6500"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}