Cypress CY7C68033 Manual De Usuario
CY7C68033/CY7C68034
Document #: 001-04247 Rev. *D
Page 2 of 33
Default NAND Firmware Features
Because the NX2LP-Flex™ is intended for NAND
Flash-based USB mass storage applications, a default
firmware image is included in the development kit with the
following features:
Flash-based USB mass storage applications, a default
firmware image is included in the development kit with the
following features:
• High (480-Mbps) or full (12-Mbps) speed USB support
• Both common NAND page sizes supported
— 512 bytes for up to 1 Gb capacity
— 2K bytes for up to 8 Gb capacity
• 12 configurable general-purpose I/O (GPIO) pins
— 2 dedicated chip enable (CE#) pins
— 6 configurable CE#/GPIO pins
• Up to 8 NAND Flash single-device (single-die) chips are
supported
• Up to 4 NAND Flash dual-device (dual-die) chips are
supported
• Compile option allows unused CE# pins to be config-
ured as GPIOs
— 4 dedicated GPIO pins
• Industry standard ECC NAND Flash correction
— 1-bit per 256-bit correction
— 2-bit error detection
• Industry standard (SmartMedia) page management for
wear leveling algorithm, bad block handling, and Physical
to Logical management.
to Logical management.
• 8-bit NAND Flash interface support
• Support for 30-ns, 50-ns, and 100-ns NAND Flash timing
• Complies with the USB Mass Storage Class Specification
revision 1.0
The default firmware image implements a USB 2.0 NAND
Flash controller. This controller adheres to the Mass Storage
Class Bulk-Only Transport Specification. The USB port of the
NX2LP-Flex is connected to a host computer directly or via the
downstream port of a USB hub. Host software issues
commands and data to the NX2LP-Flex and receives status
and data from the NX2LP-Flex using standard USB protocol.
Flash controller. This controller adheres to the Mass Storage
Class Bulk-Only Transport Specification. The USB port of the
NX2LP-Flex is connected to a host computer directly or via the
downstream port of a USB hub. Host software issues
commands and data to the NX2LP-Flex and receives status
and data from the NX2LP-Flex using standard USB protocol.
The default firmware image supports industry leading 8-bit
NAND Flash interfaces and both common NAND page sizes
of 512 and 2k bytes. Up to eight chip enable pins allow the
NX2LP-Flex to be connected to up to eight single- or four
dual-die NAND Flash chips.
NAND Flash interfaces and both common NAND page sizes
of 512 and 2k bytes. Up to eight chip enable pins allow the
NX2LP-Flex to be connected to up to eight single- or four
dual-die NAND Flash chips.
Complete source code and documentation for the default
firmware image are included in the NX2LP-Flex development
kit to enable customization for meeting design requirements.
Additionally, compile options for the default firmware allow for
firmware image are included in the NX2LP-Flex development
kit to enable customization for meeting design requirements.
Additionally, compile options for the default firmware allow for
quick configuration of some features to decrease design effort
and increase time-to-market advantages.
and increase time-to-market advantages.
Overview
Cypress Semiconductor Corporation’s (Cypress’s) EZ-USB
NX2LP-Flex (CY7C68033/CY7C68034) is a firmware-based,
programmable version of the EZ-USB NX2LP
NX2LP-Flex (CY7C68033/CY7C68034) is a firmware-based,
programmable version of the EZ-USB NX2LP
™
(CY7C68023/CY7C68024), which is a fixed-function,
low-power USB 2.0 NAND Flash controller. By integrating the
USB 2.0 transceiver, serial interface engine (SIE), enhanced
8051 microcontroller, and a programmable peripheral
interface in a single chip, Cypress has created a very
cost-effective solution that enables feature-rich NAND
Flash-based applications.
low-power USB 2.0 NAND Flash controller. By integrating the
USB 2.0 transceiver, serial interface engine (SIE), enhanced
8051 microcontroller, and a programmable peripheral
interface in a single chip, Cypress has created a very
cost-effective solution that enables feature-rich NAND
Flash-based applications.
The ingenious architecture of NX2LP-Flex results in USB data
transfer rates of over 53 Mbytes per second, the
maximum-allowable USB 2.0 bandwidth, while still using a
low-cost 8051 microcontroller in a small 56-pin QFN package.
Because it incorporates the USB 2.0 transceiver, the
NX2LP-Flex is more economical, providing a smaller footprint
solution than external USB 2.0 SIE or transceiver implemen-
tations. With EZ-USB NX2LP-Flex, the Cypress Smart SIE
handles most of the USB 1.1 and 2.0 protocol, freeing the
embedded microcontroller for application-specific functions
and decreasing development time while ensuring USB
compatibility.
transfer rates of over 53 Mbytes per second, the
maximum-allowable USB 2.0 bandwidth, while still using a
low-cost 8051 microcontroller in a small 56-pin QFN package.
Because it incorporates the USB 2.0 transceiver, the
NX2LP-Flex is more economical, providing a smaller footprint
solution than external USB 2.0 SIE or transceiver implemen-
tations. With EZ-USB NX2LP-Flex, the Cypress Smart SIE
handles most of the USB 1.1 and 2.0 protocol, freeing the
embedded microcontroller for application-specific functions
and decreasing development time while ensuring USB
compatibility.
The General Programmable Interface (GPIF) and
Master/Slave Endpoint FIFO (8- or 16-bit data bus) provide an
easy and glueless interface to popular interfaces such as
UTOPIA, EPP, I
Master/Slave Endpoint FIFO (8- or 16-bit data bus) provide an
easy and glueless interface to popular interfaces such as
UTOPIA, EPP, I
2
C, PCMCIA, and most DSP processors.
Applications
The NX2LP-Flex allows designers to add extra functionality to
basic NAND Flash mass storage designs, or to interface them
with other peripheral devices. Applications may include:
basic NAND Flash mass storage designs, or to interface them
with other peripheral devices. Applications may include:
• NAND Flash-based GPS devices
• NAND Flash-based DVB video capture devices
• Wireless pointer/presenter tools with NAND Flash storage
• NAND Flash-based MPEG/TV conversion devices
• Legacy conversion devices with NAND Flash storage
• NAND Flash-based cameras
• NAND Flash mass storage device with biometric (e.g.,
fingerprint) security
• Home PNA devices with NAND Flash storage
• Wireless LAN with NAND Flash storage
• NAND Flash-based MP3 players
• LAN networking with NAND Flash storage