CYUSB306X datasheet(5/37 Pages) CYPRESS

5 / 37 page

CYUSB306X

Document Number: 001-87516 Rev. *L

Page 5 of 37

Functional Overview

Cypress’s EZ-USB CX3 is the next-generation bridge controller

that can connect devices with the Mobile Industry Processor

Interface – Camera Serial Interface 2 (MIPI CSI-2) interface to

any USB 3.0 Host.

CX3 has a 4-lane CSI-2 receiver with up to 1 Gbps on each lane.

It supports video data formats such as RAW8/10/12/14, YUV422

(CCIR/ITU 8/10-bit), RGB888/666/565, and user-defined 8-bit.

CX3 has integrated the USB 3.0 and USB 2.0 physical layers

(PHYs) along with a 32-bit ARM926EJ-S microprocessor for

powerful data processing and for building custom applications.

CX3 contains 512 KB of on-chip SRAM (see Ordering

Information on page 27) for code and data. EZ-USB CX3 also

provides interfaces to connect to serial peripherals such as

UART, SPI, I2C, and I2S.

CX3 comes with application development tools. The software

development kit comes with application examples for acceler-

ating time-to-market.

CX3 complies with the USB 3.0 v1.0 specification and is also

backward compatible with USB 2.0. It also complies with the

MIPI CSI-2 v1.01, revision 0.04 specification dated 2nd April

2009.

Application Examples

In a typical application (see Figure 1), CX3 acts as the main

processor and connects to an image sensor, an audio device, or

camera control devices amongst others.

Figure 1. EZ-USB CX3 Example Application

Image

sensor

EZ-USB CX3

Autofocus, Pan, Tilt, Zoom,

Shutter control, Lighting, etc.

Audio

input

Audio

output

USB

Host

Clock

6-40 MHz

Clock

19.2 MHz

Power

subsystem

MIPI CSI-2

I2C

I2S

SPI

REFCLK

CLKIN

VDD

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