Silicon Laboratories Si514 Manual de usuario

Si5xx/514/570-PROG-EVB

Si514/570/571/598/599 ANY-FREQUENCY I2C

PROGRAMMABLE XO/VCXO EVALUATION BOARD

Description

The Silicon Laboratories Si514/570/571/598/599

evaluation kit contains the hardware and software

needed for evaluation of the Si514/570/571/598/599

Any-Frequency I2C programmable XO/VCXO and can

be run on a USB-equipped PC.

Features

Evaluation of Silicon Laboratories' Si514/570/571/

598/599 Any-Frequency I2C programmable XO/

VCXO

Windows-compatible software control and device

programming

Voltage regulator supports device operation of the

Si5xx at +1.8, +2.5, or +3.3 V

I2C communication options are jumper configurable

Voltage control (VC) input port (Si571/Si599)

Functional Block Diagram

Level

Translator J16

VDD

Output

Conditioner

J14

J18

GND

CLKP

CLKN

SDA (VC)

SCL (OE)

CLKP

CLKN

TP4

J13

Level

Translator

Output

Enable

VDD

REG

J11

TP3

(VDD_DUT)

Manual VDD

Voltage Select

4-3=2.5V

2-1=3.3V

OPEN=1.8V

USB

C8051F342

MCU

TP2

(VBUS_5V) J2

Optional

Power In

123

REGIN

TP1

(EXT3P3V)

Filter

J12

TP10

3TP6

(SCL) TP7

(SDA)

J19

J17

J20

VCO In

DUT

NC (SCL)NC (SDA)

2 Rev. 0.3

1. Introduction

This document describes the operation of the Silicon Laboratories Si514/570/571/598/599 evaluation kit. The

Si5xx-PROG-EVB kit refers to the evaluation board hardware and software intended for customer evaluation of the

Si514/570/571/598/599 Any-Frequency I2C programmable XO/VCXO. The Si5xx-EVB kit contains the following:

Si5xx-PROG-EVB Hardware

Programmable Oscillator Software

EVB Driver (USBXpress®)

The software components run on a USB-equipped PC and are described in detail in Section “5. Software Guide”

The Si5xx-PROG-EVB evaluation board can be used to evaluate the Si514, Si570, Si571, Si598, and Si599 I2C

programmable XOs or VCXOs as shown in Table 1. The Si514-PROG-EVB evaluation board can be used to

evaluate the Si514 I2C-programmable XO as shown in Table 1. This evaluation board functions and performs

similar to the Si5xx-PROG-EVB evaluation board.

Table 1. Si5xx XO and VCXO Device Evaluation Board Selector Guide

Ordering Part # Type Devices

Supported Packages

Supported Output Format,

Temp Stability,

Tuning Slope

Supported

Frequency

Range

Si5xx-EVB Single/DualFrequency

XO/VCXO Eval Board Si510/511

Si512/513

Si515/516

Si530/531

Si532/533

Si550/552

Si590/591

5x7mm,6-pin

3.2 x 5 mm, 6-pin

3.2 x 5 mm, 4-pin

Any 100 kHz to

1417 MHz

Si5xx-PROG-EVB I2C Programmable

XO/VCXO Eval Board Si514

Si570/571

Si598/599

5x7mm,8-pin

5x7mm6-pin

3.2 x 5 mm, 6-pin

Any 100 kHz to

1417 MHz

Si514-PROG-EVB I2CProgrammableXO

Eval Board with sol-

dered Si514

Si514 5 x 7 mm 6-pin Any 100 kHz to

250 MHz

Si5xx5x7-EVB Quad Frequency XO/

VCXO Eval Board Si534

Si554 5 x 7 mm, 8-pin Any 10 to

1417 MHz

Si570-PROG-EVB I2C Programmable

XO Eval Board with

soldered Si570

Si570 5x7 mm 8-pin Any 10 to

1417 MHz

Notes:

1. Si5xx samples must be ordered separately from the Si5xx-PROG-EVB.

2. Board must be modified to be consistent with the ordered part. See "3.10. Output Terminations" on page 8.

3. Si514-PROG-EVB comes with an Si514 preinstalled.

Rev. 0.3 3

1.1. Quick Start

1. Install an Si514, Si570, Si571, Si598, or Si599 device on the board (Si514-PROG-EVB comes with an Si514

preinstalled; the Si570-PROG-EVB also comes with an Si570 installed).

2. Verify that the jumper settings are correct.

3. Connect the USB cable from the EVB to the host PC.

4. Install the Programmable Oscillator Software and driver.

5. Launch the Programmable Oscillator Software by clicking Start Programs Silicon Laboratories 

Programmable Oscillator Software. Click on one of the shortcuts in the group.

4 Rev. 0.3

2. Top/Bottom Views of Board

Figure 1. Board Views (a) Top; (b) Bottom



(a)

Default

Jumper

Settings

HWcontrolof

VDD_DUTvoltage

viajumpers



(b)

Status

LEDs

Rev. 0.3 5

3. Functional Description

The Si5xx-PROG-EVB is the evaluation board assembly for the Si514/570/571/598/599 Any-Frequency I2C

Programmable XO/VCO. This evaluation board assembly provides access to all signals for programming and

operating the device. The Si5xx-PROG-EVB schematics, bill of materials, and PCB layouts are included as

sections 6, 7, and 8, respectively. Figure 2 provides a block diagram for the board.

Figure 2. Si5xx-PROG-EVB Functional Block Diagram

Level

Translator J16

VDD

Output

Conditioner

J14

J18

GND

CLKP

CLKN

SDA (VC)

SCL (OE)

CLKP

CLKN

TP4

J13

Level

Translator

Output

Enable

VDD

REG

J11

TP3

(VDD_DUT)

Manual VDD

Voltage Select

4-3=2.5V

2-1=3.3V

OPEN=1.8V

USB

C8051F342

MCU

TP2

(VBUS_5V) J2

Optional

Power In

123

REGIN

TP1

(EXT3P3V)

Filter

J12

TP10

3TP6

(SCL) TP7

(SDA)

J19

J17

J20

VCO In

DUT

NC (SCL)NC (SDA)

6 Rev. 0.3

3.1. Power Supply

The Si5xx-PROG-EVB is pre-configured to accept 5 V from the USB connector at J2. The DUT is powered from

the VDD regulator by default, but could be changed to an external supply introduced through J1. To do this, simply

move jumper J11 from pins 2-3 to 1-2 and apply power to J1. (Ensure the voltage range of the DUT is obeyed, and

it is also good practice to set a current limit on the power supply).

It is also possible for the microcontroller (U9) to adjust the VDD regulator through the software. The microcontroller

has pull-downs configured at P0.0 and P0.1 that grounds R18 and R19, respectively, adjusting VDD_DUT to 1.8,

2.5, or 3.3 V. It is also possible to install jumpers in J5 to manually force a VDD_DUT voltage. Table 2 illustrates the

settings of J5:

3.2. Reset Circuit

The Si5xx-PROG-EVB MCU may be reset by momentarily pressing pushbutton SW1.

3.3. USB

A 4-pin USB receptacle is provided at location J2. The Si5xx-PROG-EVB is compatible with USB Specification 2.0.

When the USB link is in use, the MCU drives LED D4.

3.4. MCU

The Silicon Laboratories MCU, P/N C8051F342, provides the following functions:

Supports I2C communication to the DUT on behalf of the host PC per the Programmable Oscillator Software

Drives a number of status indicator LEDs (see Table 3)

Supplies 3.3 V to peripheral ICs on the motherboard but not to the DUT

Controls DUT power (see Section “3.1. Power Supply” )

Auto-detects the part type (e.g., Si51x/Si57x/Si59x)

There is a provision for in-circuit programming at connector J4. This provision should not be needed in normal

operation. The host PC operates the software and communicates to the Si5xx-PROG-EVB through the MCU via

USB connector J2. When the USB link is in use, LED D4 should flash. The MCU may be reset by momentarily

pressing pushbutton (SW1).

Table 2. J5 settings for VDD_DUT

Jumper VDD_DUT

Open 1.8 V

1–2 3.3 V

3–4 2.5 V

Rev. 0.3 7

3.5. Status Signals

There are four LEDs on the Si5xxPROG-EVB that report visual status as listed in Table 3 and shown in Figure 1b.

Upon powerup, D1 should be illuminated.

3.6. Jumpers

There are seven jumper locations on the Si5xx-PROG-EVB as listed in Table 4. The default or pre-loaded jumpers

are shown in Figure 1a.

Table 3. Si5xx-PROG-EVB LEDs

LED ON OFF

D1 VDD3p3 volts is present VDD3p3 volts is NOT present

D2 Ext3p3V volts is present Ext3p3V volts is NOT present

D3 Reserved Reserved

D4 USB access in progress No USB access in progress

Table 4. Si5xx-PROG-EVB Jumpers

Jumper Block Reference Function

J5 Manual (on-board) VDD_DUT adjust (see

Table 1)

J11 VDD_DUT select:

1-2: External voltage (from J1)

2-3: On-board regulator

J13 I2C/Vc selector:

1-2: I2C communication

3-4: Ext Vc input (Si57x)

J16 Output enable (Si57x):

1-2: OE is HIGH

3-4: OE is LOW

J17 Manual shutdown of I2C port for Si514 (also

controllable via SW)

J19 Manual shutdown of I2C port for Si57x (also

controllable via SW)

J20 I2C communication access port

3-4: SCL connection to MCU

5-6: SDA connection to MCU

8 Rev. 0.3

3.7. External I2C Communication

It is possible to use an external I2C controller to communicate with the DUT. To do this, remove the jumpers

installed in J20 and connect the external I2C harness to J20. Grounded pins (1-2, 7-8) are there for grounding the

harness. Pins 4 and 6 can be driven as SCL and SDA, respectively.

3.8. Si5xx-PROG-EVB Digital Control Signal

One normally static digital input control signal routes to the Si5xx: Output Enable or OE. By default, the OE signal

is pulled HIGH on the Si5xx-PROG-EVB and may be pulled low by installing a jumper at J16.

3.9. Si5xx-PROG-EVB Voltage Control Signal

An external voltage control signal may be applied to the control voltage modulation input at the J12 header

(VCO_IN). This voltage supplies the control voltage or voltage modulation input to the DUT. J13 should be installed

in the 2-3 position.

3.10. Output Terminations

The Si5xx-PROG-EVB can support four different output formats: CMOS, LVPECL, LVDS, and HCSL. There are

output resistors that are needed to accompany each format. Table 5 shows which resistors are needed for each

output:

Table 5. Output Termination Installation Definition

Output

Format R36 R40 R35 R44 R37 R38 R29 R34 R43 R45

CMOS 10 10 NP NP NP NP NP NP NP NP

LVPECL 0 0 130 130 NP NP NP 0 NP 0

LVDS 0 0 NP NP NP NP NP NP NP NP

HCSL 0 0 NP NP NP NP NP NP NP NP

Rev. 0.3 9

4. Configuring the Si5xx-PROG-EVB

Figure 3. Si5xx-PROG-EVB Typical Configuration

Si5xx-EVB

1.8-3.3V Power Supply

(Optional) +-

Optional Voltage Source

(for Si571)

+- Optional Oscilloscope

or other Instrument

Frequency Counter

CLKN

CLKP

Optional I2C Device SCL/SDA

USB

10 Rev. 0.3

5. Software Guide

The evaluation kit includes software called Programmable Oscillator Software, which consists of several tools:

Programmable Oscillator Calculator—Program new dividers and output frequencies in the device usinglarge

and small frequency programming procedures. This can run with or without an EVB connected to the computer.

Register Programmer—Program individual registers on the oscillator device on the EVB.

Si57x/9x Register Programmer—Program Si570/571/598/599 specific registers.

Register Viewer—View all the register values on the oscillator installed on the EVB.

User Guide—Read more help information on using the software.

Spreadsheet Finder for HS_DIV and N1—Use an Excel spreadsheet to find the Si570/571/598/599 dividers.

No EVB is required.

5.1. Programmable Oscillator Software Installation

The following sections describe how to install and use the software. There is a readme.txt file with the installation

files as well as a software user guide installed with the software.

5.2. System Requirements

Microsoft Windows® 2000, XP, Vista, 7

USB 2.0

2 MB of free hard drive space

1024 x 768 screen resolution or greater

Microsoft .NET Framework 1.1

USBXpress 3.1.1 driver

Note: USBXpress 3.1.1 driver is provided and installed with the software. Newer or older versions of USBXpress available

from other EVB kits or online have not been tested with this software.

5.3. Microsoft .NET Framework Installation

The Microsoft .NET Framework is required before installing and running the software. Details and installation

information about the .NET Framework are available via a shortcut in the NETFramework directory or at the

following web site:

www.microsoft.com/downloads/details.aspx?FamilyId=262D25E3-F589-4842-8157-

034D1E7CF3A3&displaylang=en

There are multiple versions of the .NET Framework available from Microsoft, and they can be installed side-by-side

on the same computer. The software requires Version 1.1 but can run under other versions. Contact your system

administrator for more details.

5.4. Programmable Oscillator Software Installation

The Programmable Oscillator Software is installed from the ProgOscSwInstall.exe file.

1. Double-click the install file to start the wizard.

2. Follow the wizard instructions to complete the installation for both the software and the driver. Use the default

installation location for best results.

3. After the installation is complete, click on Start Programs Silicon Laboratories Programmable Oscillator

Software. Select one of the items in the menu including the User Guide to get more details on how to run the

software.

5.5. Programmable Oscillator Software Uninstall

Close all the programs and help files before running the uninstaller to ensure complete removal of the software. To

uninstall the software, use the Add and Remove Programs utility in the Control Panel or click Start Programs 

Silicon Laboratories Programmable Oscillator Software Uninstaller.

Note: The driver software must be uninstalled separately.

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