{"id":1330,"date":"2025-04-10T09:53:27","date_gmt":"2025-04-10T09:53:27","guid":{"rendered":"https:\/\/webprojects.cloud\/wordpress\/splatco\/?post_type=spl_knowledgebase&#038;p=1330"},"modified":"2025-05-29T13:00:49","modified_gmt":"2025-05-29T13:00:49","slug":"hd8-shadow-memory","status":"publish","type":"spl_knowledgebase","link":"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/product-documentation\/product-documentation-controllers\/hd8-product-documentation\/hd8-non-volatile-memory\/hd8-shadow-memory\/","title":{"rendered":"HD8: Shadow memory"},"content":{"rendered":"\n<p>Shadow memory in the HD8 is implemented using main FLASH memory. Endurance is 10,000 writes or clears in total.\u00a0<code><a href=\"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/instructions-arranged-by-function\/non-volatile-memory\/shadowwrite-mmcc\/\">ShadowWrite<\/a><\/code>\u00a0takes up to 20mS\u00a0<em>per byte<\/em>.\u00a0<code><a href=\"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/instructions-arranged-by-function\/non-volatile-memory\/shadowclear-mmcc\/\">ShadowClear<\/a><\/code>\u00a0takes up to 10mS\u00a0<em>per byte<\/em>.\u00a0<em>During these times the SPLat processor can do nothing else<\/em>\u00a0(for example quadrature counting). We use a smart algorithm to avoid redundant writes and clears, making the process as fast as possible and reducing wear on the memory.<\/p>\n\n\n\n<p><code><a href=\"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/instructions-arranged-by-function\/memory-instructions\/shadowread-mmcc\/\">ShadowRead<\/a><\/code>&nbsp;is very fast.<\/p>\n\n\n\n<p>Downloading a program to the controller does not change the contents of shadow memory.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Shadow memory in the HD8 is implemented using main FLASH memory. Endurance is 10,000 writes or clears in total.\u00a0ShadowWrite\u00a0takes up to 20mS\u00a0per byte.\u00a0ShadowClear\u00a0takes up to&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1328,"menu_order":1,"template":"","class_list":["post-1330","spl_knowledgebase","type-spl_knowledgebase","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>HD8: Shadow memory - SPLat Controls<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"HD8: Shadow memory - SPLat Controls\" \/>\n<meta property=\"og:description\" content=\"Shadow memory in the HD8 is implemented using main FLASH memory. 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