{"id":32649,"date":"2025-06-22T17:30:52","date_gmt":"2025-06-22T17:30:52","guid":{"rendered":"https:\/\/gaviki.com\/blog\/?p=32649"},"modified":"2025-06-22T17:30:55","modified_gmt":"2025-06-22T17:30:55","slug":"which-of-the-following-features-is-not-present-in-the-pic-16f877a","status":"publish","type":"post","link":"https:\/\/gaviki.com\/blog\/which-of-the-following-features-is-not-present-in-the-pic-16f877a\/","title":{"rendered":"Which of the following features is not present in the PIC 16F877A"},"content":{"rendered":"\n<p>Which of the following features is not present in the PIC 16F877A? Select one: a. ADC b. UART c. PWM d. USB<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">The correct answer and explanation is:<\/mark><\/strong><\/p>\n\n\n\n<p><strong>Correct answer: d. USB<\/strong><\/p>\n\n\n\n<p>The PIC 16F877A is a popular 8-bit microcontroller developed by Microchip Technology. It is known for its versatility, reliability, and use in various embedded systems. However, one of the features it lacks is native support for <strong>USB<\/strong> connectivity.<\/p>\n\n\n\n<p>The microcontroller does include the following:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>ADC (Analog-to-Digital Converter)<\/strong>: The PIC 16F877A has a 10-bit ADC module with up to 8 input channels. This allows it to convert analog signals (like those from sensors) into digital data that can be processed by the microcontroller.<\/li>\n\n\n\n<li><strong>UART (Universal Asynchronous Receiver Transmitter)<\/strong>: The microcontroller includes a USART module that supports asynchronous communication, commonly referred to as UART. This allows for serial data transmission, which is essential for communication with devices like computers or other microcontrollers.<\/li>\n\n\n\n<li><strong>PWM (Pulse Width Modulation)<\/strong>: The PIC 16F877A supports PWM through its CCP (Capture\/Compare\/PWM) modules. PWM is widely used in motor control, dimming LEDs, and generating analog-like signals using digital outputs.<\/li>\n<\/ul>\n\n\n\n<p>However, <strong>USB<\/strong> is not supported natively in the PIC 16F877A. USB functionality requires a USB transceiver and protocol handling, which this microcontroller does not provide in hardware. If USB communication is required, it must be implemented using external chips or through USB-to-serial adapters, which adds complexity and cost.<\/p>\n\n\n\n<p>In contrast, other PIC microcontrollers like the PIC18F4550 are designed with built-in USB support and are better suited for applications requiring direct USB communication. Choosing the right microcontroller depends on the specific needs of a project. If USB is a core requirement, the PIC 16F877A would not be an appropriate choice unless paired with additional components.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Which of the following features is not present in the PIC 16F877A? Select one: a. ADC b. UART c. PWM d. USB The correct answer and explanation is: Correct answer: d. USB The PIC 16F877A is a popular 8-bit microcontroller developed by Microchip Technology. It is known for its versatility, reliability, and use in various [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-32649","post","type-post","status-publish","format-standard","hentry","category-quiz-questions"],"_links":{"self":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/32649","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/comments?post=32649"}],"version-history":[{"count":1,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/32649\/revisions"}],"predecessor-version":[{"id":32650,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/32649\/revisions\/32650"}],"wp:attachment":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/media?parent=32649"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/categories?post=32649"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/tags?post=32649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}