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SanDisk 64GB Micro SD-SDHC Memory Card

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Capacity

64GB of storage capacity, providing ample space for storing files and data

Speed

Class 10 rating for fast data transfer rates, with read speeds of up to 30MB/s and write speeds of up to 10MB/s

Compatibility

Compatible with devices that support micro SD, micro SDHC, and micro SDXC cards

Durability

Built to withstand harsh environments, with resistance to water, shock, and extreme temperatures

Security

Supports CPRM (Content Protection for Recordable Media) for secure data storage

Operating System Compatibility

Compatible with Windows, Mac, and Android operating systems

Warranty

Backed by a 5-year limited warranty

Physical Characteristics

Form Factor

Micro SD card

Dimensions

15mm x 11mm x 1mm

Weight

0.5 grams

Material

Plastic

Technical Specifications

File System

FAT32

Bus Interface

SD 3.0

Data Transfer Rate

Up to 30MB/s read, up to 10MB/s write

Operating Temperature

-25C to 85C

Storage Temperature

-40C to 85C

Humidity

5% to 95% relative humidity

Certifications and Compliance

CE

Conforms to EU health, safety, and environmental protection standards

FCC

Complies with Federal Communications Commission regulations

RoHS

Compliant with Restriction of Hazardous Substances regulations

Overall, the SanDisk 64GB Micro SD-SDHC Memory Card is a reliable and high-performance storage solution for a wide range of devices. Its fast data transfer rates, high storage capacity, and rugged design make it an ideal choice for applications that require secure and efficient data storage.

Pin Configuration

  • SanDisk 64GB Micro SD-SDHC Memory Card Pinout Description
  • The SanDisk 64GB Micro SD-SDHC Memory Card has a total of 8 pins, each with a specific function. Here's a detailed description of each pin and how to connect them:
  • Pin 1: CS (Card Select)
  • --------------------------------
  • Function: Card select signal, used to select the SD card for data transfer.
  • Signal type: Digital input
  • Voltage level: 1.8V or 3.3V (depending on the host device's voltage level)
  • Connection: Connect to the host device's CS signal line.
  • Pin 2: CK (Clock)
  • -----------------------
  • Function: Clock signal, used to synchronize data transfer between the SD card and the host device.
  • Signal type: Digital input
  • Frequency: Up to 25 MHz (SD mode) or 50 MHz (SDHC mode)
  • Connection: Connect to the host device's clock signal line.
  • Pin 3: CMD (Command)
  • -------------------------
  • Function: Command signal, used to send commands from the host device to the SD card.
  • Signal type: Digital input
  • Voltage level: 1.8V or 3.3V (depending on the host device's voltage level)
  • Connection: Connect to the host device's command signal line.
  • Pin 4: VDD (Power Supply)
  • ---------------------------
  • Function: Power supply voltage, used to power the SD card.
  • Voltage level: 2.7V to 3.6V (SD mode) or 2.7V to 3.4V (SDHC mode)
  • Connection: Connect to a suitable power supply (e.g., a 3.3V regulator).
  • Pin 5: GND (Ground)
  • ---------------------
  • Function: Ground connection, used to provide a reference voltage for the SD card.
  • Connection: Connect to the host device's ground line.
  • Pin 6: DAT0 (Data 0)
  • -----------------------
  • Function: Data signal, used to transmit data between the SD card and the host device.
  • Signal type: Digital output
  • Voltage level: 1.8V or 3.3V (depending on the host device's voltage level)
  • Connection: Connect to the host device's data signal line.
  • Pin 7: DAT1 (Data 1)
  • -----------------------
  • Function: Data signal, used to transmit data between the SD card and the host device.
  • Signal type: Digital output
  • Voltage level: 1.8V or 3.3V (depending on the host device's voltage level)
  • Connection: Connect to the host device's data signal line.
  • Pin 8: DAT2 (Data 2)
  • -----------------------
  • Function: Data signal, used to transmit data between the SD card and the host device.
  • Signal type: Digital output
  • Voltage level: 1.8V or 3.3V (depending on the host device's voltage level)
  • Connection: Connect to the host device's data signal line.
  • Connection Structure:
  • To connect the SanDisk 64GB Micro SD-SDHC Memory Card to a host device, follow this structure:
  • Pin 1 (CS) -> Host device's CS signal line
  • Pin 2 (CK) -> Host device's clock signal line
  • Pin 3 (CMD) -> Host device's command signal line
  • Pin 4 (VDD) -> 3.3V power supply (or suitable voltage regulator)
  • Pin 5 (GND) -> Host device's ground line
  • Pin 6 (DAT0) -> Host device's data signal line
  • Pin 7 (DAT1) -> Host device's data signal line
  • Pin 8 (DAT2) -> Host device's data signal line
  • When connecting the SD card to a host device, ensure that the pinout matches the host device's SD card slot pinout. Additionally, make sure to use suitable voltage regulators and decoupling capacitors to ensure reliable operation.

Code Examples

SanDisk 64GB Micro SD-SDHC Memory Card Documentation
Overview
The SanDisk 64GB Micro SD-SDHC Memory Card is a high-capacity storage solution designed for use in various IoT devices, including single-board computers, microcontrollers, and other embedded systems. This memory card provides 64GB of storage space, making it an ideal choice for applications requiring large amounts of data storage.
Technical Specifications
Capacity: 64GB
 Type: Micro SD-SDHC
 Interface: SD 3.0
 Speed Class: Class 10
 Operating Voltage: 2.7V - 3.6V
 Operating Temperature: -25C to 85C
 Dimensions: 15mm x 11mm x 1mm
Software Usage Examples
### Example 1: Using the SanDisk 64GB Micro SD-SDHC Memory Card with Raspberry Pi (Python)
In this example, we will demonstrate how to use the SanDisk 64GB Micro SD-SDHC Memory Card with a Raspberry Pi single-board computer. We will use Python to read and write data to the memory card.
Hardware Requirements
Raspberry Pi (any model)
 SanDisk 64GB Micro SD-SDHC Memory Card
 Power supply for Raspberry Pi
Software Requirements
Raspbian OS (or any other compatible OS)
 Python 3.x
Code Example 
```python
import os
# Mount the SD card
os.system("sudo mount /dev/mmcblk0p1 /mnt")
# Create a file on the SD card
with open("/mnt/data.txt", "w") as f:
    f.write("Hello, World!")
# Read data from the SD card
with open("/mnt/data.txt", "r") as f:
    print(f.read())
# Unmount the SD card
os.system("sudo umount /mnt")
```
In this example, we mount the SD card, create a file, write data to it, read data from it, and then unmount the SD card.
### Example 2: Using the SanDisk 64GB Micro SD-SDHC Memory Card with Arduino (C++)
In this example, we will demonstrate how to use the SanDisk 64GB Micro SD-SDHC Memory Card with an Arduino board. We will use the SD library to interact with the memory card.
Hardware Requirements
Arduino Board (any model)
 SanDisk 64GB Micro SD-SDHC Memory Card
 SD card slot or SD card adapter for Arduino
Software Requirements
Arduino IDE (version 1.8.x or later)
Code Example 
```c
#include <SD.h>
void setup() {
  Serial.begin(9600);
// Initialize the SD card
  if (!SD.begin()) {
    Serial.println("SD card initialization failed!");
    return;
  }
// Create a file on the SD card
  File dataFile = SD.open("data.txt", FILE_WRITE);
  dataFile.println("Hello, World!");
  dataFile.close();
// Read data from the SD card
  dataFile = SD.open("data.txt", FILE_READ);
  while (dataFile.available()) {
    Serial.write(dataFile.read());
  }
  dataFile.close();
}
void loop() {
  // Empty loop
}
```
In this example, we initialize the SD card, create a file, write data to it, read data from it, and then print the data to the serial console.
Note: These examples are for illustrative purposes only and may require modifications to work with your specific IoT device or application. Ensure that your device is compatible with the SanDisk 64GB Micro SD-SDHC Memory Card before use.