9 Appendix B: Additional USB Hi-Speed Devices from Cypress
The Cypress USB Hi-Speed peripherals family includes the following additional devices:
• AT2LP: Cypress’s EZ-USB
®
AT2LP™ (CY7C68300C/301C/320C) implements a fixed-function bridge between
one USB port and one or two ATA- or ATAPI-based mass storage device ports. The PATA interface on AT2LP
enables the use of hard disk drives (HDD), compact flash, and solid state drives (SSD) in your design. The
AT2LP is perfect for mass storage type applications and enables quick time to market without custom
firmware. AT2LP supports all ATA/ATAPI-6 compliant mass storage devices.
• NX2LP-Flex: Cypress’s EZ-USB NX2LP-Flex™ (CY7C68033/34) is a low-power programmable USB to SLC
NAND controller. Its programmability allows designers to include special features in the controller along
with NAND device support, an advantage over fixed controllers. The hardware ECC engine present in NX2LP-
Flex supports 1-bit error correction and 2-bit error detection.
• SX2: The EZ-USB SX2 (CY7C68001) is a programmable device designed to work with any external master,
such as standard microprocessors, DSPs, ASICs, and FPGAs to enable USB 2.0 support for any peripheral
design. SX2 has a built-in USB transceiver and serial interface engine (SIE), along with a command decoder
to send and receive USB data. The controller has four endpoints that share a 4KB FIFO space for maximum
flexibility and throughput. SX2 has three address pins and a selectable 8- or 16- bit data bus for command
and data input or output.
• FX2LP18: MoBL-USB FX2LP18 (CY7C68053) operates at 1.8 V, making it suitable for use in low-power
handheld devices. AN6076 lists the differences between FX2LP and FX2LP18.
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