Cypress AN2121SC Manual del producto - Página 3
Navegue en línea o descargue pdf Manual del producto para Controlador Cypress AN2121SC. Cypress AN2121SC 16 páginas. Ez-usb series 2100 usb controller
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Features
Benefits
Single-Chip Solution
RAM Architecture
High-Performance I/O Transfers a full 1024-byte isochronous packet within one USB frame
4- or 8-Kbyte
Pin- and Software-
Compatible Family
EZ-USB Firmware
Architecture
Enhanced 8051 Core Five times faster performance than 8051
Anchor USB Core/
ReNumeration
Capability
EZ-USB Xcelerator
Development Kit
Low 3.3V Power
Five External Interrupts Flexible without sacrificing standard 8051 interrupts
Separate Memory
Expansion Port
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
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
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
Easy transition from RAM to ROM for high-volume applications
Pin- and software-compatible options for program code growth
No change in hardware as needs change
Lowers system cost since only minimal memory size is needed
Significantly less 8051 USB code since core handles most USB activity
Shortened USB learning curve
Quicker working prototypes and final production models
More software development time to devote to the peripheral function
No new 8051 software tools to learn
External EPROM components eliminated
A quick path to working prototypes
User-selectable changes in peripheral properties without disconnecting
Speedier firmware and driver development
Independent development of firmware and driver
Fewer software errors
No custom Windows
®
driver needed to test USB traffic and firmware
Meets the 100 mA power-up specification
Useful in bus-powered applications
Useful in power-sensitive applications such as battery-powered equipment
Design flexibility in USB program code
No sacrifice in I/O capability for high-functionality peripheral devices
Non-multiplexed, requiring no external latch
EZ-USB Series 2100