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Mikroelektronika d.o.o.

Planche à clic Semper Flash

Planche à clic Semper Flash

SKU: MIKROE-3823
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€24,95 EUR hors taxes
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Key Features

Durabilité élevée de plus d'un million de cycles, protection avancée du secteur (asp), bloc mémoire otp sécurisé, vitesse de transfert élevée, mode sfdp pour une récupération facile des informations spécifiques au circuit intégré, fonction autoboot pour des performances de démarrage améliorées
Basé sur le s25hs512t, un module de mémoire flash spi 512 mbit, de cypress
Option de stockage de masse dans les appareils multimédias, les lecteurs de données, le stockage de données non volatiles dans les applications intégrées, le stockage sécurisé et les applications similaires qui nécessitent un stockage permanent fiable des informations numériques.
Mikrobus : interfaces spi et qspi

Overview

La Semper Flash Click Board™ est dotée du S25HS512T, une solution parfaite pour l'option de stockage de masse dans diverses applications embarquées. La rapidité des performances étant l'une de ses principales caractéristiques, la Semper Flash Click Board™ peut également être utilisée pour le shadowing de code, l'exécution sur place (XIP), l'enregistrement et le stockage de données. La famille de produits Cypress Semper Flash avec Quad SPI comprend des périphériques flash CMOS haute vitesse, MirrorBit NOR.

Semper Flash est conçu pour la sécurité fonctionnelle avec un développement selon la norme ISO 26262 pour atteindre la conformité ASIL-B et la préparation ASIL-D. Le code de correction d'erreur intégré (ECC) corrige les erreurs sur un seul bit et détecte les erreurs sur deux bits (SECDED) sur les données de la matrice de mémoire. Le module de mémoire Flash SPI 512 Mbit est l'un des modules Flash les plus rapides et les plus fiables du marché.

How Does The Semper Flash Click Board™ Work?

The Semper Flash Click Board™ is memory module based on the S25HS512T a 512 Mbit SPI Flash memory module, from Infineon. Featuring both normal and double data rates over the standard, Dual/Quad SPI interface, the improved reliability of the stored information by utilizing the hardware Error Correction Code (ECC) generation, One-Time Programmable (OTP) memory block of 1024 bytes, an advanced sector protection, AutoBoot, and much more, this Click board™ is a perfect solution for the mass storage option in various embedded applications. Due to its fast performance, Semper Flash click can also be used for the code shadowing, execute-in-place (XIP), data logging and data storage. An additional level translator IC allows Semper Flash click to be used with a wide range of MCUs.

Shop Click Boards Storage FLASH Semper Flash Click

The device control logic is subdivided into two parallel operating sections: the Host Interface Controller (HIC) and the Embedded Algorithm Controller (EAC). The HIC monitors signal levels on the device inputs and drives outputs as needed to complete read, program and write data transfers with the host system. The HIC delivers data from the currently entered address map on read transfers; places write transfer address and data information into the EAC command memory, and notifies the EAC of power transition, and write transfers. The EAC interrogates the command memory, after a program or write transfer, for legal command sequences and performs the related Embedded Algorithms.

Executing code directly from Flash memory is often called Execute-In-Place (XIP). By using XIP with Semper Flash devices at the higher clock rates with Quad or DDR Quad SPI transactions, the data transfer rate can match or exceed traditional parallel or asynchronous NOR flash memories while reducing signal count dramatically.

The advanced MirrorBit® technology allows storing of two data bits in each memory array transistor (memory cell), effectively doubling the capacity of a single storage cell this way. The Eclipse™ architecture is responsible for the greatly improved erase and programming performance, compared to other Flash modules of the previous generation. Due to a higher speed, an execute-in-place (XIP), as well as the data shadowing is possible with the Semper Flash click.

One of the key features of the S25HS512T is certainly the AutoBoot feature. It allows the module to automatically initiate the memory transfer from the predefined location (memory read operation) after the reset cycle. Considering a typical communication scenario, where READ command followed by the one or more address bytes need be used, AutoBoot allows the host MCU to pull down the #CS (Chip Select) pin and start receiving a data stream over the SPI interface for as long as the #CS pin is held LOW, without any wasted cycles. As soon as the #CS pin is released, the S25HS512T returns to a normal operation.

The Advanced Sector Protection (ASP) is a powerful protection model that incorporates a set of various software and hardware methods to enable or disable programming or erase operations within a sector or an entire memory. A specialized ASP OTP register offers a password protection mode or a persistent protection mode, allowing an increased flexibility of the protection. Using the OTP memory allows the protection mode to remain in place for the whole life-cycle of the device.

The SPI interface pins are routed to the mikroBUS™ so that the interfacing with the microcontroller unit (MCU) is easy and straightforward. Additional pins routed to the mikroBUS™ include the #WP/IO2 pin routed to the mikroBUS™ PWM pin and labelled as IO2, and #HOLD/IO3 pin routed to the mikroBUS™ INT pin and labelled as IO3. There is also the RESET pin, routed to the RST pin of the mikroBUS™, which performs a reset of the Flash module, initiating an AutoBoot sequence if enabled.

EnduraFlex Architecture provides system designers the ability to customize the NOR Flash endurance and retention for their specific application. The host defines partitions for high endurance or long retention, providing up to 1+ million cycles or 25 years of data retention.

Data Integrity Check transactions in Semper Flash perform a hardware accelerated Cyclic Redundancy Check (CRC) calculation over a user defined address range in the memory array. The SafeBoot feature allows Status Register polling to detect an embedded microcontroller initialization failure or configuration register corruption through error signatures.

SPECIFICATIONS

Type FLASH
Applications Mass storage option in multimedia devices, data drives, non-volatile data storage in embedded applications, secure storage, and similar applications that require reliable permanent storage of digital information.
On-board modules S25HS512T, a 512 Mbit SPI Flash memory module, from Cypress
Key Features High durability of 1+ million cycles, Advanced Sector Protection (ASP), secure OTP memory block, high transfer speed, SFDP mode for easy retrieval of IC-specific information, AutoBoot function for improved startup performance
Interface QSPI,SPI
Compatibility mikroBUS
Click board size M (42.9 x 25.4 mm)
Input Voltage 3.3V

PINOUT DIAGRAM

This table shows how the pinout of the Semper Flash Click Board™ corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).

Notes Pin Mikrobus logo.png Pin Notes
NC 1 AN PWM 16 IO2 Write Protect/IO2
Reset RST 2 RST INT 15 IO3 Hold/IO3
Chip Select CS 3 CS RX 14 NC
SPI Clock SCK 4 SCK TX 13 NC
SPI Data OUT/SO1 SDO 5 MISO SCL 12 NC
SPI Data IN/SO0 SDI 6 MOSI SDA 11 NC
Power Supply 3.3V 7 3.3V 5V 10 NC
Ground GND 8 GND GND 9 GND Ground

ONBOARD SETTINGS AND INDICATORS

Label Name Default Description
LD1 PWR - Power LED Indicator

 

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