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M88 Evaluation Kit User Guide

Jumpers

STO-DEV7227-HB Rev. 2.1

16

10

Jumpers

Figure 6. M88 Evaluation Kit jumper placement overview

Inputs

Reference

Outputs

COM, TOD, PPS

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Summary of Contents for M88

Page 1: ... 2019 Silicon Labs Inc All Rights Reserved M88 Evaluation Kit USER GUIDE STO DEV7227 HB REV 2 1 ...

Page 2: ...X 10 Clarified jumper positions Changes in Rev 2 0 Section Changes since previous revision All New document template All Removed references to enclosure as board is now delivered without 11 Added description on usage of GNSS add on board 13 Added application examples 17 Added descriptions on how to update FW Changes in Rev 1 6 Section Changes since previous revision 10 Corrected jumper selection f...

Page 3: ...B Rev 2 1 3 16 Rewrote first section for clarity 9 1 Added pin descriptions to on board connectors Changes in Rev 1 2 Section Changes since previous revision 10 Removed restrictions in previous FW version 12 1 Added values for which voltage control range to use ...

Page 4: ...ts 19 10 4 COM TOD PPS 19 11 Add on boards 20 11 1 Oscillator board 20 11 1 GNSS board 20 11 2 Enabling the GNSS LED 21 11 3 Check GNSS reception on the M88 21 12 Connecting to the board 21 13 Application examples 21 13 1 Set up the M88 Evaluation Kit as a E2E Multicast PTP slave 21 13 2 Set up the M88 Evaluation Kit as a E2E Unicast PTP slave 22 14 Using the PTP engine 24 15 Using the PLL 25 15 1...

Page 5: ...tor placement 10 Figure 4 M88 Evaluation Kit back side connector placement 11 Figure 5 M88 Evaluation Kit board top connector placement 12 Figure 6 M88 Evaluation Kit jumper placement overview 16 Figure 7 Input selection jumpers 17 Figure 8 Reference selection jumpers NB pin 1 position on P307 18 Figure 9 Output selection jumpers 19 Figure 10 COM TOD and PPS selection jumpers 19 Figure 11 Oscillat...

Page 6: ...scription 14 Table 9 I O Bus connector pin description 14 Table 10 PLL Control connector pin description 14 Table 11 GNSS Add on Board System Connector pin description 15 Table 12 Oscillator Add on Board System Connector pin description 15 Table 13 M88 Evaluation Kit input selection jumpers Grey options are default factory settings 17 Table 14 M88 Evaluation Kit reference selection jumpers Grey op...

Page 7: ...le to control and monitor all functionality provided by the M88 The board is powered through a single 5V power supply included or through Power over Ethernet It provides two Ethernet interfaces for communication to the network including PTP It has a USB port for serial communication SMA connectors and ITU T G 703 V 11 compliant RJ45 for PPSIN PPSOUT TODIN and TODOUT plus multiple SMA connectors fo...

Page 8: ... what add on boards that are used some OCXO can consume considerable amount of current when warming up we recommend using a power supply that can deliver 3A The board can also be powered by a PoE switch if connected to Port 1 This will supply adequate power in most cases except for when a large OCXO is used on an add on board The M88 Evaluation Kit has onboard regulators to provide all necessary v...

Page 9: ...M88 Evaluation Kit User Guide Block diagram STO DEV7227 HB Rev 2 1 9 Figure 2 M88 Evaluation Kit block diagram ...

Page 10: ...OUT3 SMA female Configurable low jitter frequency output Use for single ended OUT4 SMA female Configurable low jitter frequency output Use for single ended OUT5 SMA female Configurable low jitter frequency output Use for single ended Port 1 RJ45 with integrated LED and SFP slot Primary Gigabit Ethernet Use either RJ45 or SFP RJ45 supports Power over Ethernet ToD 1PPS Out RJ45 ToD and 1 PPS accordi...

Page 11: ...equency input configurable as differential or single ended Use for single ended IN1 SMA female Frequency input configurable as differential or single ended Use for single ended REF SMA female External reference frequency e g for external oscillator Console Micro USB Console port for serial communication with M88 COM3 Port 2 RJ45 with integrated LED and SFP slot Secondary Gigabit Ethernet Use eithe...

Page 12: ...M88 Evaluation Kit User Guide Additional connectors STO DEV7227 HB Rev 2 1 12 9 Additional connectors Figure 5 M88 Evaluation Kit board top connector placement ...

Page 13: ...e P507 10 pin header I O BUS with Port F and MIRQ1 P501 14 pin header 2 mm pitch Reserved P506 10 pin header PLL Control P504 16 pin header 2 mm pitch System connector GNSS add on board P1001 16 pin header 2 mm pitch System connector Oscillator add on board Table 3 M88 Evaluation Kit board top connector description 9 1 Connector pin descriptions 9 1 1 COM2 Pin Signal Comment 1 GND 2 NC 3 NC 4 URX2...

Page 14: ...0 NC Table 7 SPI Master connector pin description 9 1 5 SPI Slave Pin Signal Pin Signal 1 GND 2 NC 3 SPI_SCLK 4 NC 5 SPI_SDI 6 NC 7 SPI_SDO 8 NC 9 SPI_CS 10 NC Table 8 SPI Slave connector pin description 9 1 6 I O Bus Pin Signal Pin Signal 1 GND 2 MIRQ1 3 PF1 4 PF0 5 PF3 6 PF2 7 PF5 8 PF4 9 PF7 10 PF6 Table 9 I O Bus connector pin description 9 1 7 PLL Control Pin Signal Pin Signal 1 GND 2 PLL_OE2...

Page 15: ... is taken from here or from the COM1 connector P503 11 Reserved NC 12 1PPS 13 Reserved NC 14 3D sync Have LED connected to PF7 for control 15 NC 16 3 3V Table 11 GNSS Add on Board System Connector pin description 9 1 9 Oscillator Add on Board System Connector Pin Signal Pin Signal 1 GND 2 3 3V 3 EXT_OSCCLK 4 3 3V 5 GND 6 GND 7 EXTREF 8 ACH0 9 GND 10 GND 11 AOUT0 12 ACH1 13 GND 14 GND 15 VREG_IN 16...

Page 16: ...M88 Evaluation Kit User Guide Jumpers STO DEV7227 HB Rev 2 1 16 10 Jumpers Figure 6 M88 Evaluation Kit jumper placement overview Inputs Reference Outputs COM TOD PPS ...

Page 17: ... Selects M88 CLK_IN2 1 2 IN2 on SMA 3 4 125MHz from Port 1 5 6 125 MHz from Port2 P311 P314 Select single ended or differential input on IN2 P311 Single ended P314 Differential P309 Selects M88 CLK_IN1 1 2 IN1 on SMA 3 4 125MHz from Port 1 5 6 125 MHz from Port2 P312 P315 Select single ended or differential input on IN1 P312 Single ended P315 Differential Table 13 M88 Evaluation Kit input selectio...

Page 18: ...s NB pin 1 position on P307 Name Description Jumper position Selects P307 Select M88 CLK_REF input 1 2 REF on SMA 3 4 On board oscillator 5 6 Add on board oscillator P303 Select on board oscillator 1 2 X301 2 3 X302 Table 14 M88 Evaluation Kit reference selection jumpers Grey options are default factory settings 1 ...

Page 19: ...Kit output selection jumpers Grey options are default factory settings 10 4 COM TOD PPS Figure 10 COM TOD and PPS selection jumpers Name Description Jumper position Selects P505 Select M88 COM1 RX 1 2 COM1 connector 2 3 GNSS Add on board P403 Select M88 TODIN 1 2 GNSS Add on board 2 3 TOD 1PPSIN RJ45 P401 Select M88 PPSIN_1 1 2 1PPSIN SMA 3 4 GNSS Add on board 5 6 TOD 1PPSIN RJ45 P402 Select M88 P...

Page 20: ... voltage control is used DCO control needs to be turned off for DSPLL A and the voltage control range needs to be set for the mounted oscillator This is done using the command ptp2 config c 000 v value before the PTP engine is started Oscillator Voltage control range Vectron CA4400A1 1000 Table 17 Oscillator voltage control range 11 1 GNSS board Silicon Labs provides an optional GNSS board for sat...

Page 21: ... your computer After connecting to the PC the Found New Hardware Wizard will appear on the PC Allow the wizard to install the USB driver automatically Verify which communication port is assigned to the USB serial port by checking the Device Manager You will need this information to configure the serial port being used Open your terminal program application and connect it to the serial port using a...

Page 22: ... Either directly or through a switch 2 Make sure the M88 has a link Port 1 refers to enet0 and Port 2 to enet1 A root ipconfig enet0 Interface enet0 Ip address 169 254 144 153 DHCP Netmask 255 255 0 0 Gateway N A MAC fc af 6a 02 52 15 Link state 1000M Full Primary DNS N A Secondary DNS N A DNS timeout 10 Mailhost N A 3 Start the PTP engine on the M88 Evaluation Kit in mode 0 A root ptp2 start 0 PT...

Page 23: ...s Unicast 7 On the PTP Clock page make sure Domain Number is set to 0 13 2 2 Setting up the M88 Evaluation Kit 1 Connect Port 1 of the M88 Evaluation Kit to Port 1 of the Qg 2 Either directly or through a switch 2 Either use DHCP or set an IP address and mask for the same subnet as the Qg 2 master ipconfig enet0 a 192 168 2 101 m 255 255 255 0 3 Make sure the M88 has a link Port 1 refers to enet0 ...

Page 24: ... changed Update local clock with new offset sec 0 nsec 866271987 Please refer to 1 for commands on how to further control and monitor the PTP communication 14 Using the PTP engine Detailed information about how to interact with the PTP engine can be found in 1 which can be downloaded from our web site Any commands that the M88 should execute at startup such as setting message rates etc can be stor...

Page 25: ...ed input 15 1 2 Configure DSPLL Usage pll config dspll dspll_num command parameters Configure what input should feed the DSPLL any selection method the frequency plan for the DSPLL and whether the DSPLL should be controlled by DCO or not 15 1 3 Configure outputs Usage pll config output outpin_num command parameters Configure which DSPLL should drive the specified output what frequency the output s...

Page 26: ...are on M88 Evaluation Kit Please refer to 4 on various ways to update the FW on the M88 Evaluation Kit 18 References 1 STO DEV7210 AL M88 Module Design Manual 2 Qg 2 Multi Sync Gateway and PTP Grandmaster Datasheet 3 STO DEV7250 HR Qg 2 Multi Sync Gateway User Guide 4 STO DEV7327 HB M64 M68 and M88 FW Update Guide ...

Page 27: ...Class III devices applications for which FDA premarket approval is required or Life Support Systems 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 significant personal injury or death Silicon Labs products are not designed or authorized fo...

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