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ATSHA204A-SSHDA-B
microchip
In today's iot era, data security has become particularly important as devices become increasingly interconnected. ATSHA204A-SSHDA-B is a chip designed for secure encryption, which can provide strong encryption functions to ensure the security of data transmission. This paper will introduce the main characteristics of ATSHA204A-SSHDA-B in detail, and demonstrate its application value in the Internet of Things through specific application cases.
Main characteristics
Hardware encryption engine: ATSHA204A-SSHDA-B has a built-in hardware encryption engine that supports a variety of encryption algorithms, such as AES (Advanced Encryption Standard) and SHA (Secure hash algorithm). These algorithms can provide efficient and secure data encryption and authentication services.
Secure storage: Provides secure non-volatile storage space for storing sensitive information such as keys. The storage space is tamper-proof to ensure the security of the key.
Secure startup: Supports the secure startup function to ensure that the firmware loaded during device startup is not tampered with. This feature prevents malware from being implanted into the system during the device startup phase.
Small size package: In the form of small package, suitable for integration into a variety of iot devices, such as smart home devices, industrial automation systems, medical equipment, etc.
Low power design: The ATSHA204A-SSHDA-B has low power consumption characteristics, which is suitable for the use of battery powered equipment and extends the working life of the equipment.
Authentication function: Supports two-way authentication between devices to ensure the authenticity and legitimacy of communication parties.
Easy integration: Provides rich interface options, such as I²C, SPI, etc., to facilitate communication with other microcontrollers or systems.
Operating voltage: The ATSHA204A-SSHDA-B operates from 1.8V to 5.5V, suitable for a variety of power supply environments.
Operating temperature: The operating temperature range is -40°C to +85°C, which can work stably in harsh environments.
Package type: Provides a variety of package options, such as TSSOP and WLCSP, to facilitate the selection of different application scenarios.
Encryption algorithms: Multiple encryption algorithms including AES-128 and SHA-256 are supported to ensure the security of data transmission.
Security feature: Provides functions such as secure key storage, secure startup, and bidirectional authentication to ensure device security.
Application field
ATSHA204A-SSHDA-B is widely used in iot devices that require high-strength encryption protection, including but not limited to the following areas:
Smart home
Smart door lock: Use the ATSHA204A-SSHDA-B security authentication function to ensure that only authorized users can enter the home.
Smart camera: ATSHA204A-SSHDA-B encrypts video streams to protect user privacy and security.
Smart Speaker: Take advantage of ATSHA204A-SSHDA-B's secure boot feature to prevent malware from being implanted into the device.
Sensor network: ATSHA204A-SSHDA-B can provide a secure data transmission channel for industrial sensors to ensure the integrity of production data.
Remote control device: The bidirectional authentication function of ATSHA204A-SSHDA-B is used to ensure the authenticity and legitimacy of control commands.
Medical equipment
Health monitoring device: ATSHA204A-SSHDA-B ensures the secure transmission of patient health data and protects patient privacy.
Medical device management: Prevent unauthorized access and tampering with ATSHA204A-SSHDA-B security authentication.
Operation method
Basic operation
The operation of the ATSHA204A-SSHDA-B is mainly done via the I²C or SPI bus. Here is a brief description of how to communicate with the chip:
Initialization: Ensure that the ATSHA204A-SSHDA-B is properly connected to the SDA/SCL (I²C) or MOSI/MISO/SCLK/CS (SPI) pins of the microcontroller and that the power supply is normal.
Address configuration: The address of the ATSHA204A-SSHDA-B can be configured via the A0-A2 pin connection to Vcc/GND in the address range 0x50 to 0x57 (I²C) or by CS pin status (SPI).
Read and write operations: Use standard I²C or SPI read and write commands to interact with the chip. A read operation usually contains the address and length information, while a write operation needs to provide the address, length, and data to be written.
In today's iot era, data security has become particularly important as devices become increasingly interconnected. ATSHA204A-SSHDA-B is a chip designed for secure encryption, which can provide strong encryption functions to ensure the security of data transmission. This paper will introduce the main characteristics of ATSHA204A-SSHDA-B in detail, and demonstrate its application value in the Internet of Things through specific application cases.
Main characteristics
Hardware encryption engine: ATSHA204A-SSHDA-B has a built-in hardware encryption engine that supports a variety of encryption algorithms, such as AES (Advanced Encryption Standard) and SHA (Secure hash algorithm). These algorithms can provide efficient and secure data encryption and authentication services.
Secure storage: Provides secure non-volatile storage space for storing sensitive information such as keys. The storage space is tamper-proof to ensure the security of the key.
Secure startup: Supports the secure startup function to ensure that the firmware loaded during device startup is not tampered with. This feature prevents malware from being implanted into the system during the device startup phase.
Small size package: In the form of small package, suitable for integration into a variety of iot devices, such as smart home devices, industrial automation systems, medical equipment, etc.
Low power design: The ATSHA204A-SSHDA-B has low power consumption characteristics, which is suitable for the use of battery powered equipment and extends the working life of the equipment.
Authentication function: Supports two-way authentication between devices to ensure the authenticity and legitimacy of communication parties.
Easy integration: Provides rich interface options, such as I²C, SPI, etc., to facilitate communication with other microcontrollers or systems.
Operating voltage: The ATSHA204A-SSHDA-B operates from 1.8V to 5.5V, suitable for a variety of power supply environments.
Operating temperature: The operating temperature range is -40°C to +85°C, which can work stably in harsh environments.
Package type: Provides a variety of package options, such as TSSOP and WLCSP, to facilitate the selection of different application scenarios.
Encryption algorithms: Multiple encryption algorithms including AES-128 and SHA-256 are supported to ensure the security of data transmission.
Security feature: Provides functions such as secure key storage, secure startup, and bidirectional authentication to ensure device security.
Application field
ATSHA204A-SSHDA-B is widely used in iot devices that require high-strength encryption protection, including but not limited to the following areas:
Smart home
Smart door lock: Use the ATSHA204A-SSHDA-B security authentication function to ensure that only authorized users can enter the home.
Smart camera: ATSHA204A-SSHDA-B encrypts video streams to protect user privacy and security.
Smart Speaker: Take advantage of ATSHA204A-SSHDA-B's secure boot feature to prevent malware from being implanted into the device.
Sensor network: ATSHA204A-SSHDA-B can provide a secure data transmission channel for industrial sensors to ensure the integrity of production data.
Remote control device: The bidirectional authentication function of ATSHA204A-SSHDA-B is used to ensure the authenticity and legitimacy of control commands.
Medical equipment
Health monitoring device: ATSHA204A-SSHDA-B ensures the secure transmission of patient health data and protects patient privacy.
Medical device management: Prevent unauthorized access and tampering with ATSHA204A-SSHDA-B security authentication.
Operation method
Basic operation
The operation of the ATSHA204A-SSHDA-B is mainly done via the I²C or SPI bus. Here is a brief description of how to communicate with the chip:
Initialization: Ensure that the ATSHA204A-SSHDA-B is properly connected to the SDA/SCL (I²C) or MOSI/MISO/SCLK/CS (SPI) pins of the microcontroller and that the power supply is normal.
Address configuration: The address of the ATSHA204A-SSHDA-B can be configured via the A0-A2 pin connection to Vcc/GND in the address range 0x50 to 0x57 (I²C) or by CS pin status (SPI).
Read and write operations: Use standard I²C or SPI read and write commands to interact with the chip. A read operation usually contains the address and length information, while a write operation needs to provide the address, length, and data to be written.
