{"id":1533,"date":"2025-04-11T06:59:02","date_gmt":"2025-04-11T06:59:02","guid":{"rendered":"https:\/\/webprojects.cloud\/wordpress\/splatco\/?post_type=spl_knowledgebase&#038;p=1533"},"modified":"2025-06-10T06:52:41","modified_gmt":"2025-06-10T06:52:41","slug":"ms120-shadow-memory","status":"publish","type":"spl_knowledgebase","link":"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/product-documentation\/product-documentation-controllers\/ms120-product-documentation\/ms120-non-volatile-memory\/ms120-shadow-memory\/","title":{"rendered":"MS120: Shadow memory"},"content":{"rendered":"\n<p>Shadow memory in the MS120 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\/index-register-instructions\/shadowwrite-mmcc\/\">ShadowWrite<\/a><\/code>\u00a0takes up to 20mS per byte.\u00a0<code><a href=\"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/instructions-arranged-by-function\/index-register-instructions\/shadowclear-mmcc\/\">ShadowClear<\/a><\/code>\u00a0takes up to 10mS per byte.\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\/index-register-instructions\/shadowread-mmcc\/\">ShadowRead<\/a><\/code>\u00a0is 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 MS120 is implemented using main FLASH memory. Endurance is 10,000 writes or clears in total.\u00a0ShadowWrite\u00a0takes up to 20mS per byte.\u00a0ShadowClear\u00a0takes up&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1531,"menu_order":1,"template":"","class_list":["post-1533","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>MS120: 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=\"MS120: Shadow memory - SPLat Controls\" \/>\n<meta property=\"og:description\" content=\"Shadow memory in the MS120 is implemented using main FLASH memory. 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