MAX3421EEHJ+

USB peripheral/host controller with SPI interface Suitable for use with embedded systems, medical devices, microprocessors and DSPs, custom USB devices, cameras, desktop routers, PLCs, set-top boxes, PDAs, MP3 players and instrumentation. It features Software Compatible with the MAX3420E USB peripheral controller with SPI interface, firmware/hardware control of an internal D+ pull-up resistor (Peripheral Mode) and D+/D Pull down resistors (Host Mode), Level translators and VL input allow independent system interface voltage, internal comparator detects VBUS for self powered peripheral applications, Interrupt output pin (level- or programmable edge) allows polled or interrupt-driven SPI interface, contains timers for USB time-sensitive operations.

• Microprocessor-Independent USB Solution
• Complies with USB specification Revision 2.0
• Integrated USB transceiver
• Programmable 3- or 4-Wire, 26MHz SPI interface
• ESD protection on D+, D- and VBCOMP
• Eight General-Purpose Inputs and Eight General-purpose Outputs
• Interrupt Signal for General-Purpose Input Pins, Programmable Edge Polarity
• Intelligent USB SIE
• Automatically Handles USB Flow Control and Double Buffering
• Handles Low-Level USB Signalling Details

Notes

ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party