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CY7C68033_12 Datasheet, PDF (1/40 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
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 that 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 â 8 kB
â Default free space â 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 Integrated, industry-standard enhanced 8051
â 48-MHz, 24-MHz, or 12-MHz CPU operation
â Four clocks for each instruction cycle
â Three counter/timers
â Expanded interrupt system
â Two data pointers
â 3.3-V operation with 5 V 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
â General programmable interface (GPIF)
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 general purpose I/O (GPIO) pins
Logic Block Diagram
24 MHz
Ext. Xtal
CY7C68034 Only Silicon Features
â Ideal for battery powered applications
â Suspend current: 100 ïA (typ)
CY7C68033 Only Silicon Features
â Ideal for non-battery powered applications
â Suspend current: 300 ïA (typ)
High-performance,
enhanced 8051 core
with low power options
NX2LP-Flex
Connected for
full speed USB
/0.5
x 20 /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 Number: 001-04247 Rev. *J
⢠San Jose, CA 95134-1709 ⢠408-943-2600
Revised July 6, 2012
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