MIKROE-2761

MIKROE-2761 Datasheet

PID MIKROE-2761

Part	Datasheet
MIKROE-2761	MIKROE-2761 (pdf)

PDF Datasheet Preview
Secure 3 click PID MIKROE-2761 Secure 3 click carries the ATSHA204A, a cryptographic coprocessor with secure hardwarebased key storage from Microchip. The click is designed to run on either 3.3V or 5V power supply. Secure 3 click communicates with the target microcontroller over an I2C interface. It is ideal to use for: • Secure download and boot authentication and protect code • Ecosystem control ensure only OEM/licensed nodes and accessories work • prevent building with identical BOM or stolen code • Message security authentication, message integrity, and confidentiality of network nodes IoT NOTE The click comes with stacking headers which allow you to combine it with other clicks more easily by using just one mikroBUS socket. ATSHA204A features The ATSHA204A is a member of the Microchip CryptoAuthentication family of high-security hardware authentication devices, which uses Secure Hash Algorithm SHA-256 with 256-bit key length, message authentication code MAC and hash-based message authentication code HMAC options. It has a flexible command set that allows use in many applications. The ATSHA204A device includes an Electrically Erasable Programmable Read-Only Memory EEPROM array that can be used for key storage, miscellaneous read/write data, read-only, secret data, consumption logging, and security configuration. Access to the various sections of memory can be restricted in a variety of ways, and the configuration can then be locked to prevent changes. Specifications Type EEPROM modules ATSHA204A a cryptographic coprocessor with secure key storage superior hash algorithm with key length, message authentication code Key Features MAC and message authentication code HMAC options, storage for up to sixteen keys Key Benefits symmetric authentication solution Interface I2C Input Voltage 3.3V or 5V Click board size M x mm Pinout diagram This table shows how the pinout on Secure 3 click corresponds to the pinout on the mikroBUS socket the latter shown in the two middle columns . Notes Pin Notes Power supply +3.3V 7 Ground GND 8 MISO MOSI 3.3V I2C clock I2C data Power supply Ground Jumpers and settings Designator Name Default Position Default Option VIO SEL. Left Power Supply Voltage Selection 3V3/5V, left position 3V3, right position 5V Programming Code examples for Secure 3 click, written for MikroElektronika hardware and compilers are available on Libstock. Code snippet The following code snippet creates a MAC for a given input and then checks if it is valid using verify function.

PDF Datasheet Preview

Secure 3 click

PID MIKROE-2761

Secure 3 click carries the ATSHA204A, a cryptographic coprocessor with secure hardwarebased key storage from Microchip. The click is designed to run on either 3.3V or 5V power supply. Secure 3 click communicates with the target microcontroller over an I2C interface. It is ideal to use for:
• Secure download and boot authentication and protect code
• Ecosystem control ensure only OEM/licensed nodes and accessories work
• prevent building with identical BOM or stolen code
• Message security authentication, message integrity, and confidentiality of network nodes IoT NOTE The click comes with stacking headers which allow you to combine it with other clicks more easily by using just one mikroBUS socket.

ATSHA204A features

The ATSHA204A is a member of the Microchip CryptoAuthentication family of high-security hardware authentication devices, which uses Secure Hash Algorithm SHA-256 with 256-bit key length, message authentication code MAC and hash-based message authentication code HMAC options. It has a flexible command set that allows use in many applications.

The ATSHA204A device includes an Electrically Erasable Programmable Read-Only Memory EEPROM array that can be used for key storage, miscellaneous read/write data, read-only, secret data, consumption logging, and security configuration. Access to the various sections of memory can be restricted in a variety of ways, and the configuration can then be locked to prevent changes.

Specifications

Type

EEPROM
modules

ATSHA204A a cryptographic coprocessor with secure key storage
superior hash algorithm with key length, message authentication code Key Features MAC and message authentication code HMAC options, storage for up to
sixteen keys

Key Benefits symmetric authentication solution

Interface I2C

Input Voltage
3.3V or 5V

Click board size

M x mm

Pinout diagram

This table shows how the pinout on Secure 3 click corresponds to the pinout on the mikroBUS socket the latter shown in the two middle columns .

Notes Pin

Notes

Power supply +3.3V 7

Ground

GND 8

MISO

MOSI
3.3V

I2C clock I2C data Power supply Ground

Jumpers and settings

Designator Name Default Position

Default Option

VIO SEL.

Left

Power Supply Voltage Selection 3V3/5V, left position 3V3, right position 5V

Programming

Code examples for Secure 3 click, written for MikroElektronika hardware and compilers are available on Libstock.

Code snippet

The following code snippet creates a MAC for a given input and then checks if it is valid using verify function.

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived MIKROE-2761 Datasheet file may be downloaded here without warranties.

Datasheet ID: MIKROE-2761 649422