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6. Supported Devices - Stand-Alone Mode

If using the Si5XXUC-EVB with a device that is either fixed frequency or has pin-controlled output frequency, this “Stand-alone mode”
section should be used to configure the EVB.

If you have a device installed that utilizes the I2C bus for making frequency or other changes to the device, please refer to Section

7. Supported Devices - Software Controlled Mode - I

The tables below show pin controlled XO and VCXO devices supported by the Si5xxUC-EVB along with possible package sizes and
control pin mapping. The control pin mapping can be used to determine the corresponding switch settings on the Si5xxUC-EVB.

Table 6.1. Pin Controlled XOs

SiLabs
Device

Type

# Freqs

# pins

Pkg sizes (mm
x mm)

Pin 1
Control

Pin 2
Control

Pin 7
Control

Pin 8
Control

Pin 4 Out-
put

Pin 5 Out-
put

Si560

Single

5x7, 3.2x5

OE/NC

NC/OE

CLK+

CLK-

Si561

Dual

5x7, 3.2x5

OE/FS

FS/OE

CLK+

CLK-

Si562

Quad

5x7, 3.2x5

OE/NC

NC/OE

FS1

FS0

CLK+

CLK-

Si564

Single/
Dual/
Quad (or
I

5x7, 3.2x5

OE/NC/FS OE/NC/FS SDA/FS1

SCL/FS0

CLK+

CLK-

Si540

Single

5x7, 3.2x5

OE/NC

NC/OE

CLK+

CLK-

Si541

Dual

5x7, 3.2x5

OE/FS

FS/OE

CLK+

CLK-

Si542

Quad

5x7, 3.2x5

OE/NC

NC/OE

FS1

FS0

CLK+

CLK-

Si544

Single/
Dual/
Quad (or
I2C)

5x7, 3.2x5

OE/NC/FS OE/NC/FS SDA/FS1

SCL/FS0

CLK+

CLK-

Si545

Single

5x7, 3.2x5

OE/NC

NC/OE

CLK+

CLK-

Si546

Dual

5x7, 3.2x5

OE/FS

FS/OE

CLK+

CLK-

Si547

Quad

5x7, 3.2x5

OE/NC

NC/OE

FS1

FS0

CLK+

CLK-

Si549

Single/
Dual/
Quad (or
I2C)

5x7, 3.2x5

OE/NC/FS OE/NC/FS SDA/FS1

SCL/FS0

CLK+

CLK-

Si535

Single

5x7

CLK+

CLK-

Si536

Single

5x7

CLK+

CLK-

Si530

Single
(Diff)

5x7

CLK+

CLK-

Si530

Single
(CMOS)

5x7

CLK

Si531

Single

5x7

CLK+

CLK-

Si532

Dual
(Diff)

5x7

CLK+

CLK-

Si532

Dual
(CMOS)

5x7

CLK

Si533

Dual
(Diff)

5x7

CLK+

CLK-

UG298: Si5xxUC-EVB

Supported Devices - Stand-Alone Mode

silabs.com

| Building a more connected world.

Rev. 0.3 | 12

Содержание Si5 UC-EVB Series

Страница 1: ... for superior signal integrity KEY FEATURES Evaluation of any Silicon Labs XO or VCXO Si51x Si53x Si54x Si55x Si56x Si57x Si59x AC coupled differential single ended output clocks Voltage control Vc port for VCXO evalution Switch selectable settings No jumpers External power or USB powered Use stand alone or with our Pro grammable Oscillator Calculator SW tool XO Location 1 5mm x 7mm Output Termina...

Страница 2: ...tch Pin_2_Ctrl 9 5 3 Oscillator Pin 7 Control DIP Switch Pin_7_Ctrl 10 5 4 Oscillator Pin 8 Control DIP Switch Pin_8_Ctrl 11 6 Supported Devices Stand Alone Mode 12 7 Supported Devices Software Controlled Mode I2C 15 8 USB Port and External Powering 16 9 Output Clock Terminations 17 10 EVB Test Points and LEDs 18 10 1 Test Points 18 10 2 LEDs 18 11 VCXO Voltage Control Input Circuit 19 12 Programm...

Страница 3: ...ported Devices Stand Alone Mode or 7 Supported Devices Software Controlled Mode I2C 3 Verify output termination is appropriate for your device see Section 9 Output Clock Terminations for more info 4 Set 5V Select switch SW5 based on how you will power the EVB either via USB or via external 5V supply 5 Connect power either via USB port or external 5V power supply as chosen in previous step 6 Output...

Страница 4: ...s Software controlled mode The software controlled mode is for use with PC based software tools such as our Programmable Os cillator Calculator Tool to control configure the device being evaluated via the device I2C bus The software controlled mode is pri marily intended for I2C controlled XO VCXO devices When using software controlled mode some of the on board switches must be placed in specific ...

Страница 5: ...installed in any one of the three locations on the Si5xxUC EVB This restriction is made to ensure no problems will occur due to potential signal crosstalk power supply over loading coupling or signal contention loading between multiple devices Do not simply remove power from a mounted device in an attempt to place it in an unused but still mounted state Board control signals are wired in parallel ...

Страница 6: ...low By default this switch is set to 1 8V and will need to be changed if evaluating a non I2C oscillator with 2 5V or 3 3V VDD Software controlled mode Power can be sourced from either external power supply or USB port but the Programmable Oscillator Software tool can be used to set the VDD voltage to the oscillator In software controlled mode VDD_DUT_SEL switches should remain set to 1 8V setting...

Страница 7: ... be instal led in the same location and will fit within the 8 pin footprint Device Pin out Mapping 4 pin Device 6 pin Device 8 pin Device DIP Switch Function Options 1 1 1 Pin_1_Ctrl SW1 FS OE SDA Vc 2 2 Pin_2_Ctrl SW2 FS OE SCL 2 3 3 GND1 3 4 4 Output1 5 5 Output1 4 6 6 VDD1 7 Pin_7_Ctrl SW3 FS SDA 8 Pin_8_Ctrl SW4 FS SCL Note 1 Fixed function pins Configuration details of each of the 4 variable ...

Страница 8: ...he ON position at a time Switching more than 1 switch to the on position at a time may cause undesired behavior All switches can be set to OFF position to effectively isolate pin 1 from any signal source and is the No Connect NC state To determine the required Pin 1 switch settings for your specific device please refer to the Supported Device Tables in Chapter 6 Supported Devices Stand Alone Mode ...

Страница 9: ...tion at a time Switching more than 1 switch to the ON position at a time may cause undesired behavior All switches set to OFF position effectively isolates pin 2 from any signal source and is the No Connect NC state To determine the required Pin 2 switch settings for your specific device please refer to the Supported Device Tables in Chapter 6 Supported Devices Stand Alone Mode and Chapter 7 Suppo...

Страница 10: ... position at a time Switching more than 1 switch to the ON position at a time may cause undesired behavior All switches set to OFF position effectively isolates pin 7 from any signal source and is the No Connect NC state To determine the required Pin 7 switch settings for your specific device please refer to the Supported Device Tables in Chapter 6 Supported Devices Stand Alone Mode and Chapter 7 ...

Страница 11: ... ON position at a time Switching more than 1 switch to the ON position at a time may cause undesired behavior All switches set to OFF position effectively isolates pin 8 from any signal source and is the No Connect NC state To determine the required Pin 8 switch settings for your specific device please refer to the Supported Device Tables in Chapter 6 Supported Devices Stand Alone Mode and Chapter...

Страница 12: ...Dual 6 5x7 3 2x5 OE FS FS OE CLK CLK Si562 XO Quad 8 5x7 3 2x5 OE NC NC OE FS1 FS0 CLK CLK Si564 XO Single Dual Quad or I2C 8 5x7 3 2x5 OE NC FS OE NC FS SDA FS1 SCL FS0 CLK CLK Si540 XO Single 6 5x7 3 2x5 OE NC NC OE CLK CLK Si541 XO Dual 6 5x7 3 2x5 OE FS FS OE CLK CLK Si542 XO Quad 8 5x7 3 2x5 OE NC NC OE FS1 FS0 CLK CLK Si544 XO Single Dual Quad or I2C 8 5x7 3 2x5 OE NC FS OE NC FS SDA FS1 SCL...

Страница 13: ... 6 5x7 3 2x5 OE NC CLK CLK Si510 XO Single CMOS 4 5x7 3 2x5 2 5x3 2 OE CLK Si510 XO Single Diff 6 5x7 3 2x5 2 5x3 2 NC OE CLK CLK Si511 XO Single 6 5x7 3 2x5 2 5x3 2 OE NC CLK CLK Si512 XO Dual CMOS 6 5x7 3 2x5 2 5x3 2 FS OE CLK NC Si512 XO Dual Diff 6 5x7 3 2x5 2 5x3 2 FS OE CLK CLK Si513 XO Dual CMOS 6 5x7 3 2x5 2 5x3 2 OE FS CLK NC Si513 XO Dual Diff 6 5x7 3 2x5 2 5x3 2 OE FS CLK CLK 4 pin devi...

Страница 14: ...0 VCXO Single 6 5x7 Vc OE CLK CLK Si552 VCXO Dual 6 5x7 Vc FS CLK CLK Si554 VCXO Quad 8 5x7 Vc OE FS1 FS0 CLK CLK Si595 VCXO Single 6 5x7 3 2x5 Vc OE CLK CLK Si596 VCXO Dual 6 5x7 3 2x5 Vc FS CLK CLK Si597 VCXO Quad 8 5x7 Vc OE FS1 FS0 CLK CLK Si515 VCXO Single CMOS 6 5x7 3 2x5 2 5x3 2 Vc OE CLK NC Si515 VCXO Single Diff 6 5x7 3 2x5 2 5x3 2 Vc OE CLK CLK Si516 VCXO Dual CMOS 6 5x7 3 2x5 2 5x3 2 Vc...

Страница 15: ... Pkg sizes mm x mm Pin 1 Control Pin 2 Control Pin 7 Control Pin 8 Control Pin 4 Out put Pin 5 Out put Si564 XO I2C or Single Dual Quad 8 5x7 3 2x5 OE NC FS OE NC FS SDA FS1 SCL FS0 CLK CLK Si544 XO I2C or Single Dual Quad 8 5x7 3 2x5 OE NC FS OE NC FS SDA FS1 SCL FS0 CLK CLK Si549 XO I2C or Single Dual Quad 8 5x7 3 2x5 OE NC FS OE NC FS SDA FS1 SCL FS0 CLK CLK Si570 XO I2C 8 5x7 NC OE SDA SCL CLK...

Страница 16: ...B connectivity If powering the EVB via the USB port make sure switch SW5 is in the USB position If properly connected to a live USB port the green VBUS_5V should illuminate If powering the board via an external 5V power supply make sure SW5 is in the EXT position Once 5V is connected to the board via the 5V_EXT connections the green 5V_EXT LED should illuminate UG298 Si5xxUC EVB USB Port and Exter...

Страница 17: ...tion note for details of required output source termination for the specific device being evaluated Figure 9 1 CLK1 Output Default Terminations Table 9 1 Example Output Clock Source Terminations Si51x Si53x Si54x Si55x Si56x Si57x and Si59x only Output Format Series Resistor Position e g R4 R6 Parallel Resistor Position e g R5 R7 Series Capacitor Position e g C3 C5 LVPECL 3 3V AC coupled 0 Ω 130 Ω...

Страница 18: ...d across these 2 test points corresponds to the current through the resistor For example if the measured voltage is 75 mV the current flow is 75 mA Each oscillator site has this current sense circuit Figure 10 1 Current Sense Test Points 10 2 LEDs The Si5xxUC EVB has 5 status LEDs as shown in table below The board silkscreen identifies each LED Table 10 1 Status LEDs LED name Color Location Descri...

Страница 19: ...be applied using the J1 SMA connector or using TP3 TP6 A simple RC circuit is included to low pass filter any noise on the input The RC circuit components can be removed or modified as required for your application Figure 11 1 VCXO Control Voltage Input VC_IN UG298 Si5xxUC EVB VCXO Voltage Control Input Circuit silabs com Building a more connected world Rev 0 3 19 ...

Страница 20: ...are Tool can be used with the Si5xxUC EVB This tool and corresponding Programmable Oscillator Software Tool User s Guide can be found www silabs com oscillator tools UG298 Si5xxUC EVB Programmable Oscillator Calculator Tool silabs com Building a more connected world Rev 0 3 20 ...

Страница 21: ...13 Layout of Board UG298 Si5xxUC EVB Layout of Board silabs com Building a more connected world Rev 0 3 21 ...

Страница 22: ...14 Si5xxUC EVB Schematic UG298 Si5xxUC EVB Si5xxUC EVB Schematic silabs com Building a more connected world Rev 0 3 22 ...

Страница 23: ...UG298 Si5xxUC EVB Si5xxUC EVB Schematic silabs com Building a more connected world Rev 0 3 23 ...

Страница 24: ...ot imply or express copyright licenses granted hereunder to design or fabricate any integrated circuits The products are not designed or authorized to be used within any Life Support System without the specific written consent of Silicon Labs A Life Support System is any product or system intended to support or sustain life and or health which if it fails can be reasonably expected to result in si...

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