資料來源:https://www.seeedstudio.com/Raspberry-Pi-RTC-Expansion-Module-p-2532.html
Description
The RTC module is specifically designed for Raspberry Pi. It communicated with Raspberry Pi through I2C bus. There is a Maxim DS1307 and CR1220 button cell on the board to keep the real time for a long time after the Raspberry Pi has its power down. Set a serial port, TTL convenient way online debugging.
Features:
- Use Maxim DS1307 chip
- Extends CR1220 button cell backup
- Can be operated by a shell
- Set a serial port connector
- Programmable square-wave output signal
- Consumes Less than 500nA in Battery-Backup Mode
- Automatic Power-Fail Detect and Switch Circuitry
- Programmable Square-Wave Output Signal
Port:
- Raspberry Pi B module 2X13 connection port
- Raspberry Pi A+/B+/2 module 2X13 connection port
- 2*5pin 2.54mm connector
Product Parameters:
- Accuracy ±2ppm from 0°C to +40°C
- Work voltage 5V
- Battery Backup Input for Continuous Time keeping
- Real-Time Clock Counts Seconds, Minutes,Hours, Day, Date, Month, and Year with Leap Year Compensation Valid Up to 2100
- Work temperature 0°C to +70°C
Part List:
- 1 x RTC Module
- 1x CR1220 Battery
Technical Details
Dimensions |
90mm x 70mm x 21mm |
Weight |
G.W 13g |
Battery |
Lithium Cells/Batteries packed with equipment UN3481 -PI966 |
描述
RTC 模組是專門為覆盆子 Pi 設計的。它與樹莓 Pi 通過 I2C 公共汽車溝通。有一個格言 DS1307 和 CR1220 按鈕細胞在板上, 以保持真正的時間很長一段時間後, 覆盆子 Pi 有它的權力下降。設置串口, TTL 方便的線上調試方式。
功能:
- 使用馬克沁 DS1307 晶片
- 擴展 CR1220 按鈕儲存格備份
- 可由殼體操作
- 設置序列埠連接器
- 可程式設計方波輸出信號
- 在電池備份模式下消耗少於500nA
- 自動斷電檢測和開關電路
- 可程式設計方波輸出信號
埠:
- 覆盆子 Pi B 模組2X13 連接埠
- 覆盆子 Pi A+/B+/2 模組2X13 連接埠
- 2 * 5 針2.54mm 連接器
產品參數:
- 從0° c 到 + 40 ° c 的準確度±2ppm
- 工作電壓5V
- 連續時間保持的電池備份輸入
- 系統時鐘計數秒、分鐘、小時、日、日期、月份和年份, 而閏年補償的有效期可達2100
- 工作溫度0° c 至70° c
部件清單:
技術細節
尺寸 | 90mm x 70mm x 21mm |
重量 | G. W 11g |
電池 | 鋰電池/電池組設備 UN3481-PI966 |