Cypress Semiconductor MoBL-USB CY7C68003 Manual de usuario

DATA BRIEF CY7C68003

MoBL-USB™ TX2UL USB 2.0

ULPI Transceiver

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

Revised April 1, 2009

Features

The Cypress MoBL-USB™TX2UL is a low voltage high speed

(HS) USB 2.0 ULPI Transceiver.

The TX2UL is specifically designed for mobile handset

applications by offering tiny package options and low power

consumption.

■USB 2.0 Full Speed and High Speed Compliant Transceiver

■Multi-Range (1.8V to 3.3V) IO Voltages

■Fully Compliant ULPI Link Interface

■8-bit SDR ULPI Data Path

■UTMI+ Level 0 Support

■Integrated Oscillator

■Integrated PLL (13, 19.2, 24, or 26 MHz Reference)

■Integrated USB Pull Up and Termination Resistors

■3.0V to 5.775V VBATT Input

■Chip Select Pin

■Single Ended Device RESET Input

■UART Pass Through Mode

■ESD Compliance:

❐JESD22-A114D8kVContactHumanBodyModel(HBM)for

DP, DM, and VSS Pins

❐IEC61000-4-2 8 kV Contact Discharge

❐IEC61000-4-2 15 kV Air Discharge

■Support for Industrial Temperature Range (-40°C to 85°C)

■Low Power Consumption for Mobile Applications:

❐5 uA Nominal Sleep Mode

❐30 mA Nominal Active HS Transfer

■Small Package for Mobile Applications:

❐2.14 x 1.76 mm 20-pin WLCSP 0.4 mm Pitch

❐4 x 4 mm 24-pin QFN

Applications

■Mobile Phones

■PDAs

■Portable Media Players (PMPs)

■DTV Applications

■Portable GPS Units

TX2UL

ULPI Block

XOSC

ULPI Wrapper

UTMI+

Level0

DATA[7:0]

CLOCK

DIR

STP

NXT

VBATT

13/19.2/

24/26 MHz

RESET_N

Control/

Data

Logic

Operational

mode

tracking

interrupt

Tx/Rx

Core

Registers

Block

Global Control Block

Reset / Clock / Power /

Misc. Control

POR

PLL

1.8V

Bandgap

USB

FS/HS

PHY

CS_N 3.3V Regulator

Block

(3.0 –

5.775V) VCC

(1.8V)

RXD

TXD

TX2UL Block Diagram

CY7C68003

Page 2 of 5

Functional Overview

UTMI+ Low Pin Interface (ULPI)

This block conforms to the ULPI Specification. It supports the

8-bit wide SDR data path. The primary IOs of this block support

multi-range LVCMOS signaling from 1.8V to 3.3V (±5%). The

level used is automatically selected by the voltage applied to

Vccio and is set at any voltage between 1.8V and 3.3V.

Oscillator (OSC)

This block meets the requirements of both the on-chip PLL and

the USB-IF requirements for clock parameters. It is a

fundamental mode parallel resonant oscillator with a maximum

ESR of 60 ohms. It supports the following:

■Integrated Crystal Oscillator - 13, 19.2, 24, or 26 MHz crystal

■13,19.2,24,or26MHzLVCMOSsingleendedinputclockonXI

Phase Locked Loop (PLL)

The PLL meets all clock stability requirements imposed by this

device and the USB standard. It supports all requirements to

make the device compliant to the USB 2.0 specifications. It also

has a fractional multiplier that enables it to supply the correct

frequency to the device when it is presented with a 13, 19.2, 24,

or 26 MHz reference clock.

Power On Reset (POR)

This block provides a power on reset signal (internal) based on

the input supply. An internal power on reset is generated when

VCC input rises above VPOR(trip).

Reset (RESET_N)

The three major functions of RESET_N pin are as follows:

■Reset TX2UL

■Place TX2UL into Sleep Mode

■Place TX2UL into Configuration Mode

When the RESET_N pin is asserted (low) for tSTATE (tSTATE is

specified in Table 21 on page 19), the TX2UL enters into either

Sleep Mode or Configuration Mode depending on the CS_N

state. When RESET_N is asserted while CS_N is asserted,

TX2UL enters into Sleep Mode. When RESET_N is asserted for

tSTATE while CS_N is deasserted, TX2UL enters into Configu-

ration Mode. In these modes, all the pins in the ULPI interface

are tri-stated. If the RESET_N pin is not used, it must be pulled

high. For more information about different modes of configu-

ration, see Table 5 on page 4.

DP and DM pins

The DP and DM pins are the differential pins for the USB. They

must be connected to the corresponding DP and DM pins of the

USB receptacle.

Chip Select (CS_N)

This signal pin is available only in 24-pin QFN package. The two

major functions of CS_N are as follows:

■Tri-state the ULPI bus output pins

■Associate with RESET_N to place TX2UL in the Sleep mode

When the CS_N pin is deasserted (high), all the pins in the ULPI

interface are tri-stated.

USB2 Transceiver Macrocell Interface (UTMI+)

This block conforms to the UTMI+ Level 0 standard. It performs

all the UTMI to USB translation.

Global Control

This block is the digital control logic that ties the blocks of the

device together. Functions performed include pull up control,

over current protect control, and more.

Full Speed and High Speed USB Transceivers (FS/HS)

The FS and HS Transceivers comply fully with the USB 2.0

specifications.

USB Pull up and Intr Detect, Termination Resistors

(Pull up / TERM)

These blocks contain the USB pull up and termination resistors

as specified by the USB 2.0 specification.

UART Pass Through Mode

TX2UL supports Carkit UART Pass Through Mode. When the

Carkit Mode bit in the Interface Control register is set, it enables

the Link to communicate through the DP/DM to a remote system

using UART signaling. By default, the clock is powered down

when the TX2UL enters Carkit Mode. Entering and exiting the

Carkit Mode is identical to the Serial Mode. Table 1, Table 2, and

Figure 1 show the UART Signal Mapping between the DP/DM

and DATA[1:0] at ULPI interface.

Figure 1. UART Signal Mapping in Pass Through Mode

Table 1. UART Signal Mapping at ULPI Interface

Signal Maps to Direction Description

txd DATA[0] IN UART TXD signal

routed to DM pin

rxd DATA[1] OUT UART RXD signal

routed to DP pin

Reserved DATA[7:2] - Reserved

Table 2. UART Signal Mapping at USB Interface

Signal Maps to Direction Description

TXD DM OUT UART TXD signal

RXD DP INT UART RXD signal

TX2UL

txd

DATA[0]

DATA[1]

rxd

TXD

RXD

USB

INTERFACE

ULPI

INTERFACE

CY7C68003

Page 3 of 5

Clocking

TX2UL supports external crystal and clock inputs at the 13, 19.2,

24, and 26 MHz frequencies. The internal PLL applies the proper

clockmultiplyoptiondependingonthe input frequency. Forappli-

cations that use an external clock source to drive XI, the XO pin

(in 24-pin QFN package) is left floating. TX2UL has an on-chip

oscillator circuit that uses an external 13, 19.2, 24, or 26 MHz

(±100 ppm) crystal with the following characteristics:

■Parallel Resonant

■Fundamental Mode

■750 mW Drive Level

■12 pF (5 percent tolerance) Load Capacitors

■150 ppm

TX2UL operates on one of two primary clock sources:

■LVCMOS square wave clock input driven on the XI pin

■Crystal generated sine wave clock on the XI and XO pins

The selection between input clock source and frequency on the

XI pin is determined by the Chip Configuration register loaded

through the RESET_N during Configuration Mode. The external

clock source requirements are shown in Figure 3 on page 4.

Figure 2. Crystal Configuration

Power Domains

The TX2UL has three power supply domains:

■VCC

■VIO

■VBATT

TX2UL has two grounds:

■VSS

■VSSBATT

VCC

This is the core 1.8V power supply for the TX2UL. It can range

anywhere from 1.7V to 1.9V during actual operation.

VIO

This is the 1.8V to 3.3V multi range supply to the I/O ring. It can

range anywhere from 1.7V to 3.6V during actual operation.

VBATT

This is the battery input supply that powers the 3.3V Regulator

block. It can range anywhere from 3.0 to 5.775V during actual

operation.

Voltage Regulator

The internal 3.3V regulator block regulates the VBATT supply to

the internal 3.3V supply for the USBIO and XOSC blocks. If the

supply voltage at VBATT is below 3.3V, the regulator block

switches the VBATT supply directly for the USBIO and XOSC

blocks.

Power Supply Sequence

TX2UL does not require power supply sequence. All power

supplies are independently sequenced without damaging the

part. All supplies are up and stable for the device to function

properly. The analog block contains circuitry that senses the

power supply to determine when all supplies are valid.

TX2UL XI

PLL

12 pf 12 pf

XTAL

* 12 pF capacitor values assumes a trace capacitance of

3 pF per side on a four layer FR4 PCA

Table 3. External Clock Requirements

Parameter Description Specification Unit

Min Max

Vn Supply Voltage Noise at frequencies < 50 MHz 20 mV p-p

PN_100 Input Phase Noise at 100 Hz –75 dBc/Hz

PN_1k Input Phase Noise at 1 kHz offset –104 dBc/Hz

PN_10k Input Phase Noise at 10 kHz offset –120 dBc/Hz

PN_100k Input Phase Noise at 100 kHz offset –128 dBc/Hz

PN_1M Input Phase Noise at 1 MHz offset –130 dBc/Hz

Duty Cycle 30 70 %

Maximum Frequency Deviation 150 ppm

CY7C68003

Page 4 of 5

Operation Modes

There are six operation modes available in TX2UL. They are:

■Normal Operation Mode

■Configuration Mode

■ULPI Low Power Mode

■Sleep Mode

■Carkit UART Pass Through Mode

■Tri-state ULPI Interface Output Mode (only available in 24-pin

QFN package)

When changing the operationmodes,ifthecurrent and changing

modes are not the Normal Operation Mode, TX2UL first changes

to the Normal Operation Mode. For example, to change from

ULPI Low power mode to Sleep mode, TX2UL changes to

Normal operation mode first, and then changes to Sleep mode.

The Mode Change State diagram in Figure 3 shows the mode

change path of TX2UL. The entries of the six operations modes

(20-pin CSP package has 5 operation modes) are listed in

Table 4 and Table 5. There are three mode change transactions

that require the RESET_N assert or deassert with tSTATE (see

Table 21 on page 19 for tSTATE). These three mode change

transactions are:

■Change from Normal Operation Mode to Configuration Mode

– RESET_N is required to assert with tSTATE

■Change from Configuration Mode to Normal Operation Mode

– RESET_N is required to de-assert with tSTATE

■Change from Normal Operation Mode to Sleep Mode –

RESET_N is required to assert with tSTATE

Figure 3. Mode Change State Diagram

Normal Operation Mode

Tri-State ULPI Interface

Output Mode (available in 24-

pin QFN package only)

Sleep Mode

ULPI Low Power ModeConfiguration Mode

Carkit UART Pass Through

Mode

Table 4. TX2UL 20-Pin CPS Package Operation Modes

RESET_N Mode

0 (Low) Sleep Mode

1 (High) Normal Operation Mode

1 (High) Enter into ULPI Low Power Mode by setting Sus-

pendMregisterbit(inFunctionControlRegister)to

0 during the Normal Operation Mode.

1 (High) EnterintoCarkitUARTPassThroughModebyset-

ting Carkit Mode register bit (in Interface Control

0 (Low)

when

Power On

(VCC On)

Enter into Configuration Mode

Table 5. TX2UL 24-Pin QFN Package Operation Modes

CS_N RESET_N Mode

0 (Low) 0 (Low) Sleep Mode

0 (Low) 1 (High) Normal Operation Mode

0 (Low) 1 (High) Enter into ULPI Low Power Mode

bysettingSuspendMregisterbit(in

FunctionControlRegister)to0dur-

ing the Normal Operation Mode.

0 (Low) 1 (High) Enter into Carkit UART Pass

Through Mode by setting Carkit

Mode register bit (in Interface Con-

trol Register) to 1 during the Nor-

mal Operation Mode.

1 (High) 0 (Low) Configuration Mode

1 (High) 1 (High) Tri-state ULPIInterfaceoutputpins

Revised April 1, 2009 Page 5 of 5

All products and company names mentioned in this document may be the trademarks of their respective holders.

CY7C68003

any circuitry other than circuitry embodied in a Cypress product. Nor does it convey or imply any license under patent or other rights. Cypress products are not warranted nor intended to be used for

medical, life support, life saving, critical control or safety applications, unless pursuant to an express written agreement with Cypress. Furthermore, Cypress does not authorize its products for use as

critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusionof Cypress products in life-support systems

application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against all charges.

Any Source Code (software and/or firmware) is owned by Cypress Semiconductor Corporation (Cypress) and is protected by and subject to worldwide patent protection (United States and foreign),

United States copyright laws and international treaty provisions. Cypress hereby grants to licensee a personal, non-exclusive, non-transferable license to copy, use, modify, create derivative works of,

and compile the Cypress Source Code and derivative works for the sole purpose of creating custom software and or firmware in support of licensee product to be used only in conjunction with a Cypress

integrated circuit as specifiedin the applicable agreement. Any reproduction, modification, translation, compilation, or representation of thisSource Code except as specified above is prohibited without

the express written permission of Cypress.

Disclaimer: CYPRESS MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARD TO THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Cypress reserves the right to make changes without further notice to the materials described herein. Cypress does not

assume any liability arising out of the application or use of any product or circuit described herein. Cypress does not authorize its products for use as critical components in life-support systems where

a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress’ product in a life-support systems application implies that the manufacturer

assumes all risk of such use and in doing so indemnifies Cypress against all charges.

Use may be limited by and subject to the applicable Cypress software license agreement.

The operation and configuration modes are described in

Operation Modes on page 4 and Configuration Mode on page 14

respectively. The ULPI Low power mode and Sleep mode are

described in the following sections:

ULPI Low Power Mode

In this mode, the link optionally places the TX2UL in low power

mode when the USB is suspended. TX2UL powers down all the

circuitry except for the interface pins and full speed receiver. To

enter low power mode, the link must set SuspendM in the

Function Control register to 0b. The TX2UL clock is stopped for

a minimum of five cycles after TX2UL accepts the register write.

To exit the low power mode, the link signals TX2UL to exit the

mode by asynchronously asserting a signal, STP. The TX2UL

wakes up its internal circuitry and when it meets the ULPI timing

requirements it deasserts DIR. The SuspendM register is set to

1b.

Sleep Mode

Sleepmode isentered byassertingRESET_Nduring theNormal

Operation Mode. When RESET_N is driven low for tSTATE (see

Table 21 on page 19 for tSTATE requirement) while CS_N is low,

TX2UL enters into Sleep Mode. VCC must remain supplied (ON)

during the sleep mode. This mode powers down all internal

circuitry except the RESET_N pin and the chip_config register.

The ULPI interface bus is tri-stated.

During the Sleep Mode ensure that:

■TheULPIinterfaceIOsiseitherfloatingordrivenhighbythelink

■DP and DM are either floating or pull to 0V

■Deassert RESET_N to exit the Sleep Mode.

VID and PID

The VID and PID are hard coded into Product ID and Vendor ID registers (read only) as shown in Table 6.

Table 6. Immediate Register Values for VID and PID

Field Name Size (bit) Address (6 bits) Value

Rd Wr Set Clr

Vendor ID (VID) Low 8 00h - - - B4h

Vendor ID (VID) High 8 01h - - - 04h

Product ID (PID) Low 8 02h - - - 03h

Product ID (PID) High 8 03h - - - 68h

Tabla de contenidos

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