CYWB022XX Family
West Bridge®: Astoria™
USB and Mass Storage Peripheral Controller
West Bridge®: Astoria™ USB and Mass Storage Peripheral Controller
Features
■ Multimedia device support
❐ Up to two SD, SDIO, MMC, MMC+, and CE-ATA devices
■ Supports Microsoft® Media Transfer Protocol (MTP) with
optimized data throughput
■ Simultaneous Link to Independent Multimedia (SLIM®)
architecture, enabling simultaneous and independent data
paths between the processor and USB, and between the USB
and mass storage
■ High-speed USB at 480 Mbps
❐ USB 2.0 compliant
❐ Integrated USB switch
❐ Integrated USB 2.0 transceiver, smart serial interface engine
❐ 16 programmable endpoints
■ GPIF (General Programmable Interface)
❐ Allows direct connection to most parallel interface
❐ Programmable waveform descriptors and configuration
registers to define waveforms
❐ Supports multiple Ready (RDY) inputs and Control (CTL)
outputs
■ Flexible processor interface that supports:
❐ Multiplexing and nonmultiplexing address and data interface
❐ SRAM interface
❐ Pseudo cellular random access memory (CRAM) interface
(Antioch interface)
❐ Pseudo NAND flash interface
Logic Block Diagram
❐ SPI (slave mode) interface
❐ Direct memory access (DMA) slave support
■ FlexBoot
❐ Processor can boot from the processor interface port
■ Ultra low power, 1.8-V core operation
■ Low power modes
■ Small footprint:
❐ 3.91 × 3.91 × 0.55 mm 81-ball WLCSP (SP and Lite SP)
❐ 6 × 6 × 1.0 mm 100-ball VFBGA
❐ 10 × 10 × 1.20 mm 121-ball FBGA
■ Supports USB Boot, I2C Boot and Processor Boot
■ Selectable clock input frequencies
❐ 19.2 MHz, 24 MHz, 26 MHz, and 48 MHz
Applications
■ Cellular phones
■ Portable media players
■ Personal digital assistants
■ Portable navigation devices
■ Digital cameras
■ POS terminals
■ Portable video recorders
■ Data cards and wireless dongles
West BridgeTM AstoriaTM
Control
Registers
uC
Access Control
P
SLIMTM
U
SD/SDIO/
Cypress
MMC+/ CE- N-XpressTM
ATA Block Engine
Configurable Storage
Interface
S
Cypress Semiconductor Corporation • 198 Champion Court
Document Number: 001-13805 Rev. *O
• San Jose, CA 95134-1709 • 408-943-2600
Revised December 1, 2014
