{"type":"product","schema_version":"1.0","item_id":"100708104426","canonical_url":"https://tw.bid.yahoo.com/item/100708104426","title":"DS1302即時時鐘模組 帶電池CR2032 掉電走時 DS1302模組 W142-6 [323357]","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-04-28T13:04:51.536Z","current_price":27,"original_price":null,"stock_status":"in_stock","available_quantity":30,"sold_quantity":0,"seller":{"id":"Y2831399681","name":"。BUY360。電子零件","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/fad403e0-e3d1-4651-9f03-089e1ae3cf27.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/a0a71147-b4af-4dd8-906a-e876369d1507.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/de98cfc2-2cb9-406e-9122-c38d06a64f97.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null}],"description":"(每樣商品下單金額需滿10元訂單才成立，未滿10元訂單將被取消)DS1302 是DALLAS 公司推出的涓流充電時鐘晶片，內含有一個即時時鐘/日曆和31 位元組靜態RAM ，通過簡單的序列介面與單片機進行通信。即時時鐘/日曆電路提供秒、分、時、日、周、月、年的資訊，每月的天數和閏年的天數可自動調整。時鐘操作可通過AM/PM 指示決定採用24 或12 小時格式。DS1302 與單片機之間能簡單地採用同步串列的方式進行通信，僅需用到三個口線：（1）RST 重定（2）I/O 資料線（3）SCLK串列時鐘。時鐘/RAM 的讀/寫資料以一個位元組或多達31 個位元組的字元組方式通信。DS1302 工作時功耗很低保持資料和時鐘資訊時功率小於1mW\n\nDS1302主要性能指標：\n★ 即時時鐘具有能計算2100 年之前的秒、分、時、日、星期、月、年的能力，還有閏年調整的能力\n★ 31 8 位元暫存資料存儲RAM\n★ 串列 I/O 口方式使得管腳數量少\n★ 寬範圍工作電壓2.0 5.5V\n★ 工作電流 2.0V 時,小於300nA\n★ 讀/寫時鐘或RAM 資料時有兩種傳送方式單字節傳送和多位元組傳送字元組方式\n★ 8 腳DIP 封裝或可選的8 腳SOIC 封裝根據表面裝配\n★ 簡單 3 線介面\n★ 與 TTL 相容Vcc=5V\n★ 可選工業級溫度範圍-40 +85\n★ 雙電源管用於主電源和備份電源供應\nDS1302即時時鐘模組參數如下：\n\n1.PCB為單面板，尺寸：44mm*23mm*1.6mm\n\n2.帶4個定位孔，直徑3.1mm\n\n3.備用電池為正品天球CR2032,電壓3V，電流260mAh，非可充電電池。理論資料保持時間大於10年！\n\n4.晶振32.768KHz，日本原裝進口晶振，匹配電容為6pF，尺寸2*6mm\n\n5.DS1302為8腳直插國產大晶片，晶片下麵有IC座，方便更換及插拔晶片\n\n6.模組工作電壓相容3.3V/5V，可與5V及3.3V單片機連接\n\n7.工作溫度：0°---70°\n\n接線方法(以提供的程式為例，可以接任意IO口，在程式中修改埠定義即可)：\n\nVCC→+5V/3.3V\n\nGND→GND\n\nCLK→P02\n\nDAT→P01\n\nRST→P00\n\n注意事項：\n\n1.VCC與GND千萬不要接反，以免燒壞晶片\n\n2.51單片機P0口需要接上拉電阻，如果您的單片機沒有接上拉電阻，可以將資料線接到其它埠","shipping_methods":[{"name":"7-ELEVEN取貨付款","fee":0,"currency":"TWD"},{"name":"郵局掛號","fee":0,"currency":"TWD"},{"name":"離島配送","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","信用卡一次付清","萊爾富取貨付款","7-ELEVEN取貨付款"],"category_id":"2092104064","category_name":"電子零件/材料","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":"2092072621","name":"耗材與線材","url":"/tw/%E8%80%97%E6%9D%90%E8%88%87%E7%B7%9A%E6%9D%90-2092072621-category.html"},{"id":"2092104064","name":"電子零件/材料","url":"/tw/%E9%9B%BB%E5%AD%90%E9%9B%B6%E4%BB%B6-%E6%9D%90%E6%96%99-2092104064-category.html"}],"view_count":0,"watch_count":0}