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CY7C68033_09 Datasheet, PDF (1/34 Pages) Cypress Semiconductor – EZ-USB NX2LP-Flex Flexible USB NAND Flash Controller | |||
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CY7C68033, CY7C68034
EZ-USB NX2LP-Flex⢠Flexible USB
NAND Flash Controller
CY7C68033/CY7C68034 Silicon Features
â Certified Compliant for Bus- or Self-powered USB 2.0
Operation (TID# 40490118)
â Single-Chip, Integrated USB 2.0 Transceiver and Smart SIE
â Ultra Low Power â 43 mA Typical Current Draw in Any Mode
â Enhanced 8051 Core
â Firmware runs from internal RAM, which is downloaded from
NAND flash at startup
â No external EEPROM required
â 15 KBytes of On-Chip Code/Data RAM
â Default NAND firmware ~8 kB
â Default free space ~7 kB
â Four Programmable BULK/INTERRUPT/ISOCHRONOUS
Endpoints
â Buffering options: double, triple, and quad
â Additional Programmable (BULK/INTERRUPT) 64-byte
Endpoint
â SmartMedia Standard Hardware ECC Generation with 1-bit
Correction and 2-bit Detection
â GPIF (General Programmable Interface)
â Enables direct connection to most parallel interfaces
â Programmable waveform descriptors and configuration
registers to define waveforms
â Supports multiple Ready (RDY) inputs and Control (CTL)
outputs
â 12 Fully Programmable GPIO Pins
â Integrated, Industry-standard Enhanced 8051
â 48 MHz, 24 MHz, or 12 MHz CPU operation
â Four clocks per instruction cycle
â Three counter/timers
â Expanded interrupt system
â Two data pointers
â 3.3V Operation with 5V Tolerant Inputs
â Vectored USB Interrupts and GPIF/FIFO Interrupts
â Separate Data Buffers for the Setup and Data portions of a
CONTROL Transfer
â Integrated I2C Controller, Runs at 100 or 400 kHz
â Four Integrated FIFOs
â Integrated glue logic and FIFOs lower system cost
â Automatic conversion to and from 16-bit buses
â Master or slave operation
â Uses external clock or asynchronous strobes
â Easy interface to ASIC and DSP ICs
â Available in Space Saving, 56-pin QFN Package
CY7C68034 Only Silicon Features:
â Ideal for Battery Powered Applications
â Suspend current: 100 μA (typ)
CY7C68033 Only Silicon Features:
â Ideal for Non-battery Powered Applications
â Suspend current: 300 μA (typ)
Logic Block Diagram 24 MHz
Ext. Xtal
NX2LP-Flex
High-performance,
enhanced 8051 core
with low power options
Connected for
full speed USB
/0.5
x20 /1.0
PLL /2.0
VCC
1.5k
8051 Core
12/24/48 MHz,
four clocks/cycle
NAND
Boot Logic
(ROM)
D+
Dâ
Integrated full- and
high speed XCVR
USB
2.0
XCVR
CY
Smart
USB
1.1/2.0
Engine
15 kB
RAM
I2C
Master
Additional I/Os
ECC
GPIF
RDY (2)
CTL (3)
4 kB
8/16
FIFO
General Programmable
I/F to ASIC/DSP or bus
standards such as 8-bit
NAND, EPP, and so on.
Up to 96 MB/s burst rate
Enhanced USB core
simplifies 8051 code
âSoft Configurationâ enables
easy firmware changes
FIFO and USB endpoint memory
(master or slave modes)
Cypress Semiconductor Corporation ⢠198 Champion Court
Document #: 001-04247 Rev *F
⢠San Jose, CA 95134-1709 ⢠408-943-2600
Revised June 03, 2009
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