Instruction/ maintenance manual of the product CY7C68023 Cypress
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EZ-USB NX2LP™ USB 2.0 NAND Flash Controlle r CY7C68023/CY7C68024 Cypress Semiconductor Corpora tion • 198 Champion Cou rt • San Jose , CA 95134-1 709 • 408-943-2 600 Document #: 38-08055 Rev .
CY7C68023/CY7C68024 Document #: 38-08055 Rev . *B Page 2 of 9 3.0 Pin Assignment s 3.1 Pin Diagram Figure 3-1. 56-pin QFN 3.2 Pin Descriptio ns Pin Name T ype Default St ate at St art-up Description 1 R_B1# [1] I Z Ready/Busy 1 (2.2k to 4k pull-up resistor is required) 2 R_B2# I Z Ready/Busy 2 (2.
CY7C68023/CY7C68024 Document #: 38-08055 Rev . *B Page 3 of 9 16 Reserved N/A N/A Must be tied HIGH (no pull-up resistor required) 17 VCC PWR PWR 3.3V supply 18 DDO I/O Z Data 0 19 DD1 I/O Z Data 1 20.
CY7C68023/CY7C68024 Document #: 38-08055 Rev . *B Page 4 of 9 3.3 Additional Pin Descriptions 3.3.1 DPLUS, DMINUS DPLUS and DMINUS a re the USB signaling pins, and the y should be tied to the D+ and D– pins of the USB connector .
CY7C68023/CY7C68024 Document #: 38-08055 Rev . *B Page 5 of 9 4.0 Applications The NX2LP is a high-speed USB 2.0 periphe ral device that connects NAND Flash devices to a USB host using the USB Mass S torage Cla ss protocol.
CY7C68023/CY7C68024 Document #: 38-08055 Rev . *B Page 6 of 9 7.0 Design Notes For The Quad Flat No Lead (QFN) Package The NX2LP comes in a 56-pin QFN package, which utili zes a metal pad on the bottom to aid in heat dissipation. The low- power operation of the NX2LP makes the thermal pad on the bottom of the QFN package unnecessary .
CY7C68023/CY7C68024 Document #: 38-08055 Rev . *B Page 7 of 9 12.0 AC Electrical Characteristics 12.1 USB T ransceiver The NX2LP’s USB interface complies with the USB 2.0 speci- fication for bus-po wered devices. 12.2 NAND Flash T iming The NX2LP supports 30-ns, 50-ns, and 100-ns NAND Flash devices.
CY7C68023/CY7C68024 Document #: 38-08055 Rev . *B Page 8 of 9 © Cypress Semi conductor Corpora tion, 2005. The i nformation cont ained here in is subject to ch ange withou t notice. Cypress S emic onductor Corporation assu mes no responsibility for the use of any circuitry o ther than circui try embodied i n a Cypress prod uct.
CY7C68023/CY7C68024 Document #: 38-08055 Rev . *B Page 9 of 9 Document History Page Description Title: CY7C68023/CY7C68024 EZ-U SB NX2LP™ USB 2.0 NAND Flash Controller Document Number: 38-08055 REV . ECN NO. Issue Date Orig. of Change Description of Change ** 286009 SEE ECN GIR New Data Sheet (Preliminary Info rmation).
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