{"id":8840,"date":"2026-01-31T19:35:13","date_gmt":"2026-01-31T18:35:13","guid":{"rendered":"https:\/\/www.heinpragt.nl\/?post_type=product&#038;p=8840"},"modified":"2026-04-22T20:17:20","modified_gmt":"2026-04-22T18:17:20","slug":"d87c51fa-intel-8-bit-8051-microcontroller-used","status":"publish","type":"product","link":"https:\/\/www.heinpragt.nl\/?product=d87c51fa-intel-8-bit-8051-microcontroller-used","title":{"rendered":"D87C51FA (Intel)  &#8211; 8-bit 8051 microcontroller (Used)"},"content":{"rendered":"<p>D87C51FA\u00a0 \u00a0(Intel) &#8211; 8-bit 8051 microcontroller\u00a0 CMOS\u00a0 \u00a0128 * 8Bit-RAM\u00a0 \u00a0 <strong>8K * 8Bit<\/strong> UV EPROM\u00a0 12 MHz<\/p>\n<p>Used &#8211; erased &#8211; tested<\/p>\n<p>Datasheet:\u00a0 <a href=\"https:\/\/www.heinpragt.nl\/wp-content\/uploads\/2026\/01\/87C51FAFBFC-datasheet.pdf\">87C51FA FB FC datasheet<\/a><\/p>\n<ul>\n<li>High Performance CHMOS EPROM<\/li>\n<li>Three 16-Bit TimerCounters<\/li>\n<li>\u00a0One-to-Three Level Program Lock<\/li>\n<li>16K On-Chip User Programmable EPROM in 87C51FB<\/li>\n<li>256 Bytes of On-Chip Data RAM<\/li>\n<li>32 Programmable IO Lines<\/li>\n<li>7 Interrupt Sources<\/li>\n<li>Four Level Interrupt Priority<\/li>\n<li>Programmable Serial Channel<\/li>\n<li>TTL and CMOS Compatible Logic Levels<\/li>\n<li>64K External Program Memory Space<\/li>\n<li>64K External Data Memory Space<\/li>\n<li>MCS-51 Fully Compatible Instruction Set<\/li>\n<li>Power Saving Idle and Power Down Modes<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-8813\" src=\"https:\/\/www.heinpragt.nl\/wp-content\/uploads\/2026\/01\/8751.jpg\" alt=\"87c51\" width=\"418\" height=\"553\" srcset=\"https:\/\/www.heinpragt.nl\/wp-content\/uploads\/2026\/01\/8751.jpg 418w, https:\/\/www.heinpragt.nl\/wp-content\/uploads\/2026\/01\/8751-227x300.jpg 227w, https:\/\/www.heinpragt.nl\/wp-content\/uploads\/2026\/01\/8751-416x550.jpg 416w\" sizes=\"auto, (max-width: 418px) 100vw, 418px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>D87C51FA\u00a0 \u00a0(Intel) &#8211; 8-bit 8051 microcontroller\u00a0 CMOS\u00a0 \u00a0128 * 8Bit-RAM\u00a0 \u00a0 8K * 8Bit UV EPROM\u00a0 12 MHz Used &#8211; erased &#8211; tested Datasheet:\u00a0 87C51FA FB FC datasheet High Performance CHMOS EPROM Three 16-Bit TimerCounters \u00a0One-to-Three Level Program Lock 16K On-Chip User Programmable EPROM in 87C51FB 256 Bytes of On-Chip Data RAM 32 Programmable IO [&hellip;]<\/p>\n","protected":false},"featured_media":7104,"template":"","meta":[],"product_brand":[235],"product_cat":[192,173,23],"product_tag":[],"class_list":["post-8840","product","type-product","status-publish","has-post-thumbnail","product_brand-intel","product_cat-msc-51-family","product_cat-new","product_cat-processors_cpu_mcu","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/www.heinpragt.nl\/index.php?rest_route=\/wp\/v2\/product\/8840","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.heinpragt.nl\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.heinpragt.nl\/index.php?rest_route=\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.heinpragt.nl\/index.php?rest_route=\/wp\/v2\/media\/7104"}],"wp:attachment":[{"href":"https:\/\/www.heinpragt.nl\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8840"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.heinpragt.nl\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=8840"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.heinpragt.nl\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=8840"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.heinpragt.nl\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=8840"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}