{"type":"product","schema_version":"1.0","item_id":"100122151031","canonical_url":"https://tw.bid.yahoo.com/item/100122151031","title":"【UCI電子】 (X-4) LCD 12864 128*64 繪圖型 黃綠屏 液晶顯示 通用 ST7920 附排針","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-04-27T21:17:27.937Z","current_price":260,"original_price":null,"stock_status":"in_stock","available_quantity":270,"sold_quantity":3,"seller":{"id":"Y3083175903","name":"㊣UCI電子㊣ 專營電子零件.模組","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/85369c24-b486-4190-8986-c605c52451d9.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/6b8043b2-8b80-4edc-8b8c-9f6d9ff0d1e6.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/25fb4afa-1b40-471b-909f-66228e88c4f8.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null}],"description":"出貨前指定並口或串口\n\n或自行更改0歐姆電阻 R9=並口 , R10=串口\n\n \n\n \n\n \n\nLCD12864介面定義如下：\n\n並口模式如下：\n\n第1腳：VSS為地電源\n\n第2腳：VDD接5V正電源\n\n第3腳：V0為液晶顯示器對比度調整端，接正電源時對比度最弱，接地電源時對比度最高\n\n第4腳：RS為寄存器選擇，高電平時選擇資料寄存器、低電平時選擇指令寄存器。\n\n第5腳：R/W 當R/W和E都為高電平時，資料被讀到DB0～DB7；當R/W為低電平，E從高電平變為低電平，DB0～DB7的資料被寫到IR或DR寄存器。\n\n第6腳：E 使能信號\n\n第7～14腳：DB0～DB7 為8位元雙向資料線。\n\n第15腳：PSB 並行/串列選擇。當PSB為高電平時是並行模式；當PSB為低電平時，是串列模式。如果您的液晶屏第15腳是CS1，即是不帶字形檔的液晶屏KS0108控制器，本店有售可聯繫 人員\n\n第16腳：NC 空腳。如果您的液晶屏第16腳是CS2，即是不帶字形檔的液晶屏KS0108控制器，本店有售可聯繫 人員\n\n第17腳：/RESET 復位腳。低電平有郊。\n\n第18腳：VOUT LCD驅動電壓輸出端，可不接。\n\n第19腳：A 背光燈電源正極，接+5V。\n\n第20腳：K 背光燈電源負極，接地。\n\nI\n\n串口模式如下：\n\n第1腳：VSS為地電源\n\n第2腳：VDD接5V正電源\n\n第3腳：V0為液晶顯示器對比度調整端，接正電源時對比度最弱，接地電源時對比度最高\n\n第4腳：CS 片選信號，高電平有效。\n\n第5腳：SID 串列資料登錄端。\n\n第6腳：CLK 串列同步時鐘。\n\n第15腳：PSB 並行/串列選擇。當PSB為高電平時是並行模式；當PSB為低電平時，是串列模式。\n\n第17腳：/RESET 復位腳。低電平有郊。\n\n第19腳：A 背光燈電源正極，接+5V。\n\n第20腳：K 背光燈電源負極，接地。","shipping_methods":[{"name":"郵局掛號","fee":0,"currency":"TWD"},{"name":"7-ELEVEN取貨付款","fee":0,"currency":"TWD"},{"name":"面交/自取/不寄送","fee":0,"currency":"TWD"},{"name":"萊爾富取貨付款","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳","萊爾富取貨付款","7-ELEVEN取貨付款"],"category_id":"2092064025","category_name":"其他","breadcrumb":[{"id":"23336","name":"電腦、平板與周邊","url":"/tw/%E9%9B%BB%E8%85%A6%E3%80%81%E5%B9%B3%E6%9D%BF%E8%88%87%E5%91%A8%E9%82%8A-23336-category.html"},{"id":"2092064025","name":"其他","url":"/tw/%E5%85%B6%E4%BB%96-2092064025-category.html"}],"view_count":0,"watch_count":2}