HT42B533-x ic equivalent, usb to spi bridge ic.
* Operating Voltage (VDD): 3.3V~5.5V
* SPI pins Voltage (VDDIO): 1.8V~VDD (Less than VDD
voltage)
* Fully integrated internal 12MHz oscillator with 0.25% a.
that communicate with various types of SPI. The device includes a USB 2.0 full speed compatible interface which is used .
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