Micro SD卡模块/迷你TF卡读写/SPI接口/带电平转换 电源
Link to the original- 100 — 1999 шт 5000$ per piece.
- 2000 — 50119 шт 4000$ per piece.
- 50120+ шт 3000$ per piece.
Inspection + photo report for $1.5.
We check the goods and take a photo report so you can make sure you get the right product without faults or damage
Delivery from China to Ukraine, Uzbekistan, European and African countries
Payable upon arrival at the warehouse in China
Returns are only possible while the item is in our warehouse in China. Once the goods have been dispatched from China, they cannot be returned
Photo and product description
该模块(MicroSD Card Adapter)是Micro SD卡读写模块,通过文件系统及SPI接口驱动程序,单片机系统即可完成MicroSD卡内的文件进行读写。用户可直接使用 IDE自带的SD卡程序库即可完成卡的初始化和读写
资料请复制百度网盘网址下载:http://pan.baidu.com/s/1i3A9gxv
模块特点如下:
1.支持Micro SD卡、Micro SDHC卡(高速卡)
2.板载电平转换电路,即接口电平可为5V或3.3V
3.供电电源为4.5V~5.5V,板载3.3V稳压电路
4.通信接口为标准SPI接口
5.4个M2螺丝定位孔,便于安装
项目 |
最小值 |
典型值 |
最大值 |
单位 |
电源电压VCC |
4.5 |
5 |
5.5 |
V |
电流 |
0.2 |
80 |
200 |
mA |
接口电平 |
3.3或5 |
V |
||
支持卡类型 |
Micro SD卡(<=2G),Mirco SDHC卡(<=32G) |
— |
||
尺寸 |
42X24X12 |
mm |
||
重量 |
5 |
g |
3.3V稳压电路:LDO稳压输出的3.3V为电平转换芯片、Micro SD卡供电;
电平转换电路:往Micro SD卡方向的信号转换成3.3V,MicroSD卡往控制接口方向的MISO信号也转换成了3.3V,一般AVR单片机系统都能读取该信号;