{"id":2000,"date":"2017-06-05T15:00:03","date_gmt":"2017-06-05T06:00:03","guid":{"rendered":"http:\/\/otsuka.biz\/blog1\/?p=2000"},"modified":"2024-02-12T16:58:24","modified_gmt":"2024-02-12T07:58:24","slug":"pic18f27j53-equipped-with-a-usb-bootloader","status":"publish","type":"post","link":"https:\/\/otsuka.biz\/blog1\/pic18f27j53-equipped-with-a-usb-bootloader\/","title":{"rendered":"PIC18F27J53 equipped with a USB bootloader"},"content":{"rendered":"

The PIC18F27J53 board\u00a0equipped with a USB bootloader<\/p>\n

\"\"<\/a><\/p>\n

The above\u00a0Ethernet board was previously reported in my page on Apr. 23, 2017.<\/p>\n

Clock and pin connection of PIC18F27J53 :<\/p>\n

The system clock of 48MHz\u00a0is derived from the external ceramic resonator of 4MHz using the PLL module.<\/p>\n

LED : RB1, RB2; \u00a0\u00a0 Switch (pull down) :\u00a0MCLR, RB3;<\/p>\n

LCD\u00a0(SC1602BBWB-XA-GB-G) :\u00a0RS – RC6, R\/W – GND, E – RB6, Data bus : DB4 – RB7, DB5 – RC0, DB6 – RC1, DB7 –\u00a0RC2, VDD – 5 volt;<\/p>\n

\"\"<\/a><\/p>\n

The basic\u00a0circuit of my board equipped with the PIC18F27J53<\/p>\n

<<\u00a0USB Bootloader\u00a0code\u00a0>><\/p>\n

\n\n
\n
\n
\n
\"\u30a2\u30a4\u30b3\u30f3\"<\/div>\n
\n

USB Bootloader for PIC18F27J53<\/a><\/h3>\n
<\/i> 1 \u30d5\u30a1\u30a4\u30eb <\/i> 191.79 KB<\/div>\n <\/div>\n
\n \u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a>\n <\/div>\n <\/div>\n <\/div>\n<\/div>\n\n<\/div> (not including a PC software)<\/p>\n

When you compile this\u00a0code\u00a0by C18\u00a0on MPLAB X, you must\u00a0include\u00a0the linker provided for HID Bootloader by Microchip Technology.<\/p>\n

<<\u00a0LCD display\u00a0code for the USB\u00a0bootloader\u00a0>><\/p>\n

\n\n
\n
\n
\n
\"\u30a2\u30a4\u30b3\u30f3\"<\/div>\n
\n

LCD (org 1000) for PIC18F27J53<\/a><\/h3>\n
<\/i> 1 \u30d5\u30a1\u30a4\u30eb <\/i> 28.50 KB<\/div>\n <\/div>\n
\n \u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a>\n <\/div>\n <\/div>\n <\/div>\n<\/div>\n\n<\/div>\n

A\u00a0code for a USB bootloader\u00a0must be compiled at the\u00a0code offset, 0x1000, with the linker provided by Microchip Technology .<\/p>\n","protected":false},"excerpt":{"rendered":"

The PIC18F27J53 board\u00a0equipped with a USB bootloader The above\u00a0Ethernet board was previously reported in my pa […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"vkexunit_cta_each_option":"","footnotes":""},"categories":[2,11],"tags":[],"class_list":["post-2000","post","type-post","status-publish","format-standard","hentry","category-pic","category-test-board-of-pic"],"_links":{"self":[{"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/posts\/2000","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/comments?post=2000"}],"version-history":[{"count":2,"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/posts\/2000\/revisions"}],"predecessor-version":[{"id":3386,"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/posts\/2000\/revisions\/3386"}],"wp:attachment":[{"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/media?parent=2000"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/categories?post=2000"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/tags?post=2000"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}