English
Language : 

CY7C68033_09 Datasheet, PDF (1/34 Pages) Cypress Semiconductor – EZ-USB NX2LP-Flex Flexible USB NAND Flash Controller
CY7C68033, CY7C68034
EZ-USB NX2LP-Flex™ Flexible USB
NAND Flash Controller
CY7C68033/CY7C68034 Silicon Features
■ Certified Compliant for Bus- or Self-powered USB 2.0
Operation (TID# 40490118)
■ Single-Chip, Integrated USB 2.0 Transceiver and Smart SIE
■ Ultra Low Power – 43 mA Typical Current Draw in Any Mode
■ Enhanced 8051 Core
❐ Firmware runs from internal RAM, which is downloaded from
NAND flash at startup
❐ No external EEPROM required
■ 15 KBytes of On-Chip Code/Data RAM
❐ Default NAND firmware ~8 kB
❐ Default free space ~7 kB
■ Four Programmable BULK/INTERRUPT/ISOCHRONOUS
Endpoints
❐ Buffering options: double, triple, and quad
■ Additional Programmable (BULK/INTERRUPT) 64-byte
Endpoint
■ SmartMedia Standard Hardware ECC Generation with 1-bit
Correction and 2-bit Detection
■ GPIF (General Programmable Interface)
❐ Enables direct connection to most parallel interfaces
❐ Programmable waveform descriptors and configuration
registers to define waveforms
❐ Supports multiple Ready (RDY) inputs and Control (CTL)
outputs
■ 12 Fully Programmable GPIO Pins
■ Integrated, Industry-standard Enhanced 8051
❐ 48 MHz, 24 MHz, or 12 MHz CPU operation
❐ Four clocks per instruction cycle
❐ Three counter/timers
❐ Expanded interrupt system
❐ Two data pointers
■ 3.3V Operation with 5V Tolerant Inputs
■ Vectored USB Interrupts and GPIF/FIFO Interrupts
■ Separate Data Buffers for the Setup and Data portions of a
CONTROL Transfer
■ Integrated I2C Controller, Runs at 100 or 400 kHz
■ Four Integrated FIFOs
❐ Integrated glue logic and FIFOs lower system cost
❐ Automatic conversion to and from 16-bit buses
❐ Master or slave operation
❐ Uses external clock or asynchronous strobes
❐ Easy interface to ASIC and DSP ICs
■ Available in Space Saving, 56-pin QFN Package
CY7C68034 Only Silicon Features:
■ Ideal for Battery Powered Applications
❐ Suspend current: 100 μA (typ)
CY7C68033 Only Silicon Features:
■ Ideal for Non-battery Powered Applications
❐ 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+
D–
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
‘Soft Configuration’ 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
[+] Feedback