Cypress 2100 Benutzerhandbuch
EZ-USB Series 2100
Single-Chip Solution
Lower overall system cost
Minimum board space with 44 PQFP and 80 PQFP packages
Quicker design and faster time to market than other USB solutions
Minimal design resources
Minimum board space with 44 PQFP and 80 PQFP packages
Quicker design and faster time to market than other USB solutions
Minimal design resources
RAM Architecture
Quick changes in firmware and driver code
Updates in the field via software downloads
Flexibility in multiple configurations
Dynamic changes in performance/properties based on user’s needs
Updates in the field via software downloads
Flexibility in multiple configurations
Dynamic changes in performance/properties based on user’s needs
High-Performance I/O Transfers a full 1024-byte isochronous packet within one USB frame
Provides highest quality full-motion video or audio performance
Data I/O rate greater than 2 Mbyte/sec for bulk and isochronous packets
Fastest response time for the end user
Data I/O rate greater than 2 Mbyte/sec for bulk and isochronous packets
Fastest response time for the end user
4- or 8-Kbyte
Easy transition from RAM to ROM for high-volume applications
Pin- and Software-
Pin- and software-compatible options for program code growth
Compatible Family
No change in hardware as needs change
Lowers system cost since only minimal memory size is needed
Lowers system cost since only minimal memory size is needed
EZ-USB Firmware
Significantly less 8051 USB code since core handles most USB activity
Architecture
Shortened USB learning curve
Quicker working prototypes and final production models
More software development time to devote to the peripheral function
Quicker working prototypes and final production models
More software development time to devote to the peripheral function
Enhanced 8051 Core Five times faster performance than 8051
No new 8051 software tools to learn
Anchor USB Core/
External EPROM components eliminated
ReNumeration
A quick path to working prototypes
Capability
User-selectable changes in peripheral properties without disconnecting
EZ-USB Xcelerator
Speedier firmware and driver development
Development Kit
Independent development of firmware and driver
Fewer software errors
No custom Windows
Fewer software errors
No custom Windows
®
driver needed to test USB traffic and firmware
Low 3.3V Power
Meets the 100 mA power-up specification
Useful in bus-powered applications
Useful in power-sensitive applications such as battery-powered equipment
Useful in bus-powered applications
Useful in power-sensitive applications such as battery-powered equipment
Five External Interrupts Flexible without sacrificing standard 8051 interrupts
Separate Memory
Design flexibility in USB program code
Expansion Port
No sacrifice in I/O capability for high-functionality peripheral devices
Non-multiplexed, requiring no external latch
Non-multiplexed, requiring no external latch
Features
Benefits