The MAX22192 evaluation system (EV system) provides the hardware and software necessary to evaluate the MAX22192 octal industrial digital input device with diagnostic features and digital isolation. The MAX22192 evaluation kit (MAX22192EVKIT#) has Pmod™ compatible connector for SPI communication, but does not include the USB2PMB2# adapter board. The EV system (MAX22192EVSYS#) includes both the MAX22192EVKIT# and the USB2PMB2# adapter board that receives commands from a PC through the USB port to create an SPI interface for communication between the software and the MAX22192 on the EV kit.
The EV system includes a graphical user interface (GUI) that provides communication between the target device and the PC. The MAX22192 EV kit has a MAX22192 device (U1) and a MAX22190 device (U2), which is an octal industrial digital input device without digital isolation. The EV kit can be configured to operate in multiple modes.
Single-Channel Mode: The USB2PMB2# adapter communicates with either U1 or U2 on the EV kit, depending on which channel is preferred and selected using the on-board jumpers.
Independent Slave Mode: The USB2PMB2# adapter uses two chip-select signals (active-low CS1 and active-low CS2) to control each chip through a single connector/GUI interface.
Daisy-Chain Mode: The USB2PMB2# adapter communicates with both U1 and U2 in SPI daisy-chain mode. The OSDI from U1 connects to SDI of U2, and the SDO of U2 connects to FSDI of U1. Both U1 and U2 are controlled from a single SPI interface.
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