Experience lightning-fast data storage with the BY25Q16E and PIC18F57Q43

Flash 13 Click is based on the BY25Q16E, a 16Mbit SPI NOR Flash memory from BYTe Semiconductor. This memory supports a range of communication modes including standard SPI, Dual/Quad I/O SPI, and a 2-clock instruction cycle Quad Peripheral Interface (QPI), offering flexibility for embedded applications. With SPI clock frequencies reaching up to 108MHz, the BY25Q16E can achieve data transfer rates of up to 216MHz in Dual I/O mode and an impressive 432MHz in Quad I/O mode when utilizing Fast Read or QPI instructions. These high-speed operations enable performance levels that surpass those of traditional asynchronous 8-bit and 16-bit parallel flash memories, making it suitable for demanding commercial and industrial use cases that demand fast access, secure storage, and extended operational lifetime. The BY25Q16E offers high endurance with a typical lifespan of 100,000 program-erase cycles per sector and long-term reliability with a typical data retention period of 20 years. One of the standout features of the BY25Q16E is its Continuous Read Mode, which enables quick memory access by requiring just 8

clock cycles to read a 24-bit address. This capability makes true XIP (execute in place) operations possible, significantly optimizing system performance where direct code execution from Flash is required. The device also adheres to JEDEC standards by supporting standard manufacturer and device ID protocols, and it incorporates three security registers of 1024 bytes each for data protection and secure storage requirements. This Click board™ is designed in a unique format supporting the newly introduced MIKROE feature called "Click Snap." Unlike the standardized version of Click boards, this feature allows the main chip area to become movable by breaking the PCB, opening up many new possibilities for implementation. Thanks to the Snap feature, the BY25Q16E can operate autonomously by accessing their signals directly on the pins marked 1-8. Additionally, the Snap part includes a specified and fixed screw hole position, enabling users to secure the Snap board in their desired location. Flash 13 Click communicates with MCU through a standard SPI interface supporting the two most common SPI modes, SPI Mode 0 and 3, and

a maximum clock frequency of up to 108MHz. The BY25Q16E enhances data transfer rates through Dual and Quad SPI operations, which double and quadruple the standard SPI speed, respectively. These enhanced speeds are achieved by re-purposing the available pins as bidirectional I/O pins during Dual and Quad SPI operations. Furthermore, the board features a HOLD function, marked as HLD and routed on the default position of the PWM pin of the mikroBUS™ socket. The hold function allows the suspension of serial communications without disrupting ongoing operations. The board also has a Write Protect feature, marked as WP and routed on the default position of the AN of the mikroBUS™ socket, that safeguards all registers and memory from unintended write operations through both hardware and software mechanisms. This Click board™ can be operated only with a 3.3V logic voltage level. The board must perform appropriate logic voltage level conversion before using MCUs with different logic levels. It also comes equipped with a library containing functions and example code that can be used as a reference for further development.

PIC18F57Q43 Curiosity Nano evaluation kit is a cutting-edge hardware platform designed to evaluate microcontrollers within the PIC18-Q43 family. Central to its design is the inclusion of the powerful PIC18F57Q43 microcontroller (MCU), offering advanced functionalities and robust performance. Key features of this evaluation kit include a yellow user LED and a responsive

mechanical user switch, providing seamless interaction and testing. The provision for a 32.768kHz crystal footprint ensures precision timing capabilities. With an onboard debugger boasting a green power and status LED, programming and debugging become intuitive and efficient. Further enhancing its utility is the Virtual serial port (CDC) and a debug GPIO channel (DGI

GPIO), offering extensive connectivity options. Powered via USB, this kit boasts an adjustable target voltage feature facilitated by the MIC5353 LDO regulator, ensuring stable operation with an output voltage ranging from 1.8V to 5.1V, with a maximum output current of 500mA, subject to ambient temperature and voltage constraints.