{"id":2165,"date":"2019-07-02T11:10:05","date_gmt":"2019-07-02T11:10:05","guid":{"rendered":"http:\/\/fastbitlab.com\/?p=2165"},"modified":"2022-11-18T09:15:04","modified_gmt":"2022-11-18T03:45:04","slug":"exploring-gpio-port-pins","status":"publish","type":"post","link":"https:\/\/fastbitlab.com\/blog\/exploring-gpio-port-pins\/","title":{"rendered":"STM32 GPIO Lecture 9 : Exploring GPIO PORT and PINs of STM32F4xx discovery board"},"content":{"rendered":"<div class=\"tmpl-blog-3 boldgrid-section dynamic-gridblock\" style=\"background-size: cover; background-position: 50% 50%; background-image: linear-gradient(to left, #eeeeee, #eeeeee);\" data-bg-overlaycolor=\"rgba(233,230,230,0.84)\" data-bg-color-1=\"#EEEEEE\" data-bg-color-2=\"#EEEEEE\" data-bg-direction=\"to left\">\n<div class=\"container\">\n<div class=\"row\">\n<div class=\"col-md-2 col-sm-12 col-xs-12 col-lg-2\"><\/div>\n<div class=\"col-md-8 col-sm-11 col-xs-12 col-lg-8\">\n<h2>&nbsp;<\/h2>\n<h2 class=\"\" style=\"border-width: 0px; font-size: 30px; font-family: Roboto; font-weight: 400;\" data-font-family=\"Roboto\" data-font-weight=\"400\" data-font-style=\"\"><strong>Exploring GPIO PORT and PINs of STM32F4xx discovery board<\/strong><\/h2>\n<div class=\"row bg-editor-hr-wrap\" style=\"margin-top: 0px;\">\n<div class=\"col-md-12 col-xs-12 col-sm-12 col-lg-12\">\n<div>\n<p>&nbsp;<\/p>\n<hr class=\"bg-hr bg-hr-15\">\n<p>&nbsp;<\/p>\n<figure id=\"attachment_2168\" aria-describedby=\"caption-attachment-2168\" style=\"width: 616px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-2168 size-full\" src=\"http:\/\/fastbitlab.com\/wp-content\/uploads\/2019\/07\/Screenshot-116.png\" alt=\"Exploring GPIO PORT and PINs of STM32F4xx discovery board\" width=\"616\" height=\"344\" srcset=\"https:\/\/fastbitlab.com\/blog\/wp-content\/uploads\/2019\/07\/Screenshot-116.png 616w, https:\/\/fastbitlab.com\/blog\/wp-content\/uploads\/2019\/07\/Screenshot-116-300x168.png 300w, https:\/\/fastbitlab.com\/blog\/wp-content\/uploads\/2019\/07\/Screenshot-116-600x335.png 600w, https:\/\/fastbitlab.com\/blog\/wp-content\/uploads\/2019\/07\/Screenshot-116-120x67.png 120w, https:\/\/fastbitlab.com\/blog\/wp-content\/uploads\/2019\/07\/Screenshot-116-500x279.png 500w, https:\/\/fastbitlab.com\/blog\/wp-content\/uploads\/2019\/07\/Screenshot-116-200x112.png 200w, https:\/\/fastbitlab.com\/blog\/wp-content\/uploads\/2019\/07\/Screenshot-116-400x223.png 400w\" sizes=\"(max-width: 616px) 100vw, 616px\" \/><figcaption id=\"caption-attachment-2168\" class=\"wp-caption-text\"><span style=\"color: #000000;\">Figure. GPIO pins on MCU board<\/span><\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<\/div>\n<\/div>\n<\/div>\n<p class=\"\" style=\"border-width: 0px; font-size: 17px; font-family: 'Roboto Slab'; font-weight: 400; line-height: 30px;\" data-font-family=\"Roboto Slab\" data-font-weight=\"400\" data-font-style=\"\"><span style=\"font-weight: 400; color: #000000;\">STM32F407VG supports up to 9 GPIO ports which are GPIOA to GPIOI. Each port will have its own set of configuration registers. Each GPIO port is a group of 16 GPIO pins. So, generally, MCU supports 144 GPIO pins.<\/span><\/p>\n<p class=\"\" style=\"border-width: 0px; font-size: 17px; line-height: 30px; font-family: 'Roboto Slab'; font-weight: 400;\" data-font-family=\"Roboto Slab\" data-font-weight=\"400\" data-font-style=\"\"><span style=\"font-weight: 400; color: #000000;\">But on the development board manufacturer has brought out five ports which are GPIOA to GPIOE. So, 80pins are available \u2014 these 80 pins used for a wide range of applications.<\/span><\/p>\n<p class=\"\" style=\"border-width: 0px; font-family: 'Roboto Slab'; font-weight: 400; font-size: 17px; line-height: 30px;\" data-font-family=\"Roboto Slab\" data-font-weight=\"400\" data-font-style=\"\"><span style=\"color: #000000;\">In the following article, let&#8217;s see<\/span> <span style=\"color: #ff6600;\"><a class=\"\" style=\"color: #ff6600; border-width: 0px;\" href=\"http:\/\/fastbitlab.com\/gpio-mode-register\/\" target=\"_blank\" rel=\"noopener\">GPIO MODE REGISTER<\/a>.&nbsp;<\/span><\/p>\n<p class=\"\">&nbsp;<\/p>\n<p class=\"\" style=\"border-width: 0px; font-family: 'Roboto Slab'; font-weight: 400; font-size: 17px; line-height: 30px;\" data-font-family=\"Roboto Slab\" data-font-weight=\"400\" data-font-style=\"\"><span style=\"color: #000080;\"><b>FastBit Embedded Brain Academy Courses,<\/b><\/span><\/p>\n<p class=\"\" style=\"border-width: 0px; font-size: 17px; line-height: 30px;\"><span style=\"color: #000000;\">Click here:<\/span>&nbsp;<span style=\"color: #0000ff;\"><a style=\"color: #0000ff; text-decoration: underline;\" href=\"http:\/\/fastbitlab.com\/course1\" target=\"_blank\" rel=\"noopener\">https:\/\/fastbitlab.com\/course1<\/a><\/span><\/p>\n<p class=\"\">&nbsp;<\/p>\n<\/div>\n<div class=\"col-md-2 col-sm-12 col-xs-12 col-lg-2\">\n<p>&nbsp;<\/p>\n<p class=\"\">&nbsp;<\/p>\n<p class=\"\">&nbsp;<\/p>\n<p class=\"\">&nbsp;<\/p>\n<p class=\"\">&nbsp;<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Exploring GPIO PORT and PINs of STM32F4xx discovery board &nbsp; &nbsp; &nbsp; &nbsp; STM32F407VG supports up to 9 GPIO ports which are GPIOA to GPIOI. Each port will have its own set of configuration registers. Each GPIO port is a group of 16 GPIO pins. So, generally, MCU supports 144 GPIO pins. But on [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2168,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"0","ocean_second_sidebar":"0","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"0","ocean_custom_header_template":"0","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"0","ocean_menu_typo_font_family":"0","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"0","ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"off","ocean_gallery_id":[],"footnotes":""},"categories":[8],"tags":[20],"class_list":["post-2165","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-stm32-gpio","entry","has-media"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Exploring GPIO PORT and PINs of STM32F4xx discovery board<\/title>\n<meta name=\"description\" content=\"Exploring GPIO PORT and PINs of STM32F4xx discovery board. 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