CY7C64225-28PVXCT Datasheet CY7C64225-28PVXCT, CY7C64225-28PVXC | P1-P3

CY7C64225

USB-to-UART Bridge Controller

Cypress Semiconductor Corporation • 198 Champion Court • San Jose, CA 95134-1709 • 408-943-2600

Document Number: 001-76294 Rev. *F Revised October 7, 2015

USB-to-UART Bridge Controller

Features

■ Universal Serial Bus (USB) Integration

❐ Full-Speed USB peripheral compliant with USB2.0

specification

❐ USB-IF certified with TID 40001425

❐ Support for bus-powered and self-powered configurations

❐ 3 endpoints (1 Interrupt IN, 1 Bulk OUT and 1 Bulk IN)

❐ Integrated USB transceiver, 1.5 kΩ pull-up resistor on D+ line

■ Universal Asynchronous Receiver Transmitter (UART)

❐ Baud rate generation (300 to 230400)

❐ Data format:

• 8 data bits

• 1 stop bit

• No parity, even parity or odd parity

❐ Support for Parity, Overrun and Framing errors

❐ Supports flow control using CTS,RTS,DTR, DSR

❐ LED signals to indicate activity on TxD and RxD lines

■ Full device operation from a single voltage supply of 3.3 V or 5 V

■ Low power consumption in suspend mode

❐ 225 µA at 5 V operating voltage

❐ 207 µA at 3.3 V operating voltage

■ Integrated 24 MHz oscillator

■ Integrated 3.3 V regulator

■ Integrated flash to store device configuration

■ Software support for ease of development

❐ Configuration utility to program device parameters such as

VID, PID and string descriptors.

❐ Certified Cypress VCP driver for Windows (8 / 7 / Vista / XP)

❐ Support for device drivers for Android, Mac, Linux, Window

CE 4.2, 5.0, 6.0

■ 28-pin SSOP 10 mm × 7.5 mm, RoHS compliant package

■ Temperature grade

❐ Commercial operating temperature range of 0 °C to +70 °C

Figure 1. CY7C64225 Block Diagram

USB

Transceiver

Voltage

Regulator

24MHz

Oscillator

Serial Interface

Engine

(SIE)

PLL

Tx Buffer

Rx Buffer

FLASH

Baud Rate

Generator

UART

Controller

TxD

RxD

CTS

RTS

DTR

DSR

Tx_LED

Rx_LED

VDD

VBUS

D+

D-

GND

VCFG Reset WAKE Suspend

CY7C64225

Document Number: 001-76294 Rev. *F Page 2 of 21

More Information

Cypress provides a wealth of data at www.cypress.com to help you to select the right device for your design, and to help you to quickly

and effectively integrate the device into your design. For a comprehensive list of resources, see the document USB-Serial Bridge

Controller Product Overview.

■ Overview: USB Portfolio, USB Roadmap

■ USB 2.0 Product Selectors: USB-Serial Bridge Controller, USB

to UART Controller (Gen I), enCoRe II, enCoRe III, enCoRe V

■ Knowledge Base Articles: Cypress offers a large number of

USB knowledge base articles covering a broad range of topics,

from basic to advanced level. Recommended knowledge base

articles for getting started with USB to UART Controller (Gen

I) are:

❐ KBA85920 – USB-UART and USB-Serial

❐ KBA85909 – Key Features of the Cypress

USB-Serial

Bridge Controller

❐ KBA85921 – Replacing FT232R with CY7C65213

USB-UART LP Bridge Controller

❐ KBA85913 – Voltage supply range for USB-Serial

❐ KBA89355 – USB Serial Cypress Default VID and PID

❐ KBA92641 – USB-Serial Bridge Controller Managing I/Os

using API

❐ KBA92442 – Non-Standard Baud Rates in USB-Serial Bridge

Controllers

❐ KBA91366 – Binding a USB-Serial Device to a Microsoft

CDC Driver

❐ KBA92551 – Testing a USB-Serial Bridge Controller

Configured as USB-UART with Linux

For a complete list of knowledge base articles, click here.

■ Code Examples: USB Full-Speed

■ Development Kits:

❐ CYUSBS232, Cypress USB-UART LP Reference Design Kit

❐ CYUSBS234, Cypress USB-Serial (Single Channel)

Development Kit

❐ CYUSBS236, Cypress USB-Serial (Dual Channel)

Development Kit

■ Models: IBIS

Cypress USB-UART LP Reference Design Kit

The Cypress USB-UART LP Reference Design Kit is a complete

development resource. It provides a platform to develop and test

custom projects. The development kit contains collateral

materials for the firmware, hardware, and software aspects of a

design.

CY7C64225

Document Number: 001-76294 Rev. *F Page 3 of 21

Contents

Applications ......................................................................4

Functional Description .....................................................4

Introduction .................................................................. 4

Functional Overview ........................................................4

USB Interface ..............................................................4

UART Controller ..........................................................4

Suspend and Resume ................................................. 4

WAKE .......................................................................... 4

Reset ...........................................................................4

Activity Indicators ........................................................ 4

VCFG .......................................................................... 4

VBUS ...........................................................................4

Regulator .....................................................................4

Oscillator .....................................................................4

Flash ............................................................................5

Configurations ..................................................................5

Software and Driver Support ...........................................5

Pin Configuration .............................................................6

28-pin part pinout Description ..................................... 6

Application Circuits ..........................................................7

Bus Powered Design ................................................... 7

Bus Powered Design using External Regulator .......... 8

Self Powered Design ...................................................9

Application Diagram .......................................................10

USB to RS-232 Converter ......................................... 10

USB to UART cable with TTL level UART signals .... 11

Interfacing CY7C64225

with Bus Powered Microcontroller .................................... 12

Interfacing CY7C64225

with Self Powered Microcontroller .................................... 13

Absolute Maximum Ratings ..........................................14

Operating Temperature ..................................................14

DC Electrical Characteristics ........................................15

DC GPIO Specifications ............................................ 15

DC Full-Speed USB Specifications ........................... 15

Ordering Information ......................................................16

Ordering Code Definitions ......................................... 16

Packaging Information ...................................................17

Package Diagrams .................................................... 17

Thermal Impedance .................................................. 17

Solder Reflow Peak Temperature ............................. 17

Acronyms ........................................................................18

Reference Documents ....................................................18

Document Conventions .................................................18

Units of Measure ....................................................... 18

Glossary ..........................................................................18

Document History Page .................................................19

Sales, Solutions, and Legal Information ......................21

Worldwide Sales and Design Support ....................... 21

Products .................................................................... 21

PSoC® Solutions ...................................................... 21

Cypress Developer Community ................................. 21

Technical Support ..................................................... 21

P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P18 P19-P21

CY7C64225-28PVXCT

Mfr. #:

Buy CY7C64225-28PVXCT

Manufacturer:

Cypress Semiconductor

Description:

USB Interface IC 5.25 V, USB to UART Controller

Lifecycle:

New from this manufacturer.

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CY7C64225-28PVXCT

CY7C64225-28PVXCT

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