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EXPAND 7 Click is a compact add-on board that contains a multi-port I/O expander with bi-directional input/outputs or PWM outputs. This board features the CY8C9540A, 40-bit I/O port expander with EEPROM and 8 independently configurable 8-bit PWM outputs from Cypress Semiconductor. The CY8C9540A operates as two I2C slave devices, first as a multi-port I/O expander, and second as a serial EEPROM with 11 Kbyte address space. It has a user default storage, flexible I2C address configuration, and a programmable interrupt and reset function. This Click board™ can be used to monitor and control LEDs and system intrusion detection devices, but also as a storage for information such as error codes or board manufacturing data for diagnostic purposes.
EXPAND 7 Click is supported by a mikroSDK compliant library, which includes functions that simplify software development. This Click board™ comes as a fully tested product, ready to be used on a system equipped with the mikroBUS™ socket.
I2C to SPI Click is an all-in-one solution which allows serving as an interface between a standard I2C-bus of a microcontroller and an SPI bus, which allows the microcontroller to communicate directly with SPI devices through its I2C-bus. It is equipped with the stacking headers, so it can be easily connected. By offering an I2C-bus slave-transmitter or slave-receiver and an SPI master, this Click board™ controls all the SPI bus-specific sequences, protocol, and timing. It also has its own internal oscillator, and it supports the SPI chip select output that may be configured as GPIO when not used.
I2C to SPI Click is supported by a mikroSDK compliant library, which includes functions that simplify software development. This Click board™ comes as a fully tested product, ready to be used on a system equipped with the mikroBUS™ socket.
EXPAND 3 click carries DS2408, an 8-channel programmable I/O expander that communicates with the target board MCU through a standard Dallas Semiconductor 1-Wire interface (15.3 kbps or 100kbps).