Semtech EB-GS2971 User Manual Download Page 1

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EB-GS2971

Evaluation Board User Guide

1 of 22

Proprietary & Confidential

GS2971

EB-GS2971
Evaluation Board User Guide
52169 - 2

June 2012

www.semtech.com

Summary of Contents for EB-GS2971

Page 1: ...EB GS2971 Evaluation Board User Guide 1 of 22 Proprietary Confidential GS2971 EB GS2971 Evaluation Board User Guide 52169 2 June 2012 www semtech com...

Page 2: ...16 and J17 7 1 5 JTAG GSPI Header JP1 8 1 6 Lock and Data Error Status 8 1 7 Modes of Operation 8 2 Schematics 9 2 1 Top Level Schematic 9 2 2 Cable Driver Schematic 10 2 3 GS2971 Schematic 11 2 4 Pow...

Page 3: ...LEDs The GS2971 will automatically detect the input signal as SD SDI HD SDI or 3G SDI The input format may also be configured to DVB ASI or Data Through mode manually through a DIP switch The deserial...

Page 4: ...e EB GS2971 Figure 1 1 GS2971 Evaluation Board EB GS2971 SDI Input J4 SDI Loop Through J5 CD O P Jumper JP4 AES Audio Outputs J19 J 22 Parallel Video Output J16 GSPI J18 H V F Timing Signals J17 1 8V...

Page 5: ...EB GS2971 has features to protect the GS2971 A fuse F101 will trip when the Zener Diodes D100 D101 turn on NOTE 2 If the fuse trips it will recover in approximately 1 hour with a resistance of 1 Figu...

Page 6: ...E_BYPASS and DVB_ASI are both set LOW the device operates in Data Through mode DVB_ASI Connected to the GS2971 DVB_ASI pin Used to enable disable DVB ASI data decoding in manual mode When the AUTO MAN...

Page 7: ...el audio together with the Audio Master Clock generated by the GS2971 is available on a 10 pin header J23 For AES mode AES encoded CMOS level signals are distributed through line drivers and supplied...

Page 8: ...and Standby mode The GS2971 can automatically detect the format of the incoming signal when AUTO MAN HIGH If the format of the incoming signal is not recognized the GS2971 defaults into SMPTE Bypass m...

Page 9: ...D Power and AES driv ers Power and AES driv ers AOUT_1 2 AOUT_3 4 AOUT_5 6 AOUT_7 8 AES Ch 1_2 AES Ch 3_4 AES Ch 5_6 AES Ch 7_8 GND GND GND GSPI 3 0 IO_VDD IO_VDD GSPI GND 1 2 3 4 5 6 7 8 9 10 JP1 TSW...

Page 10: ...JP4 R48 49R9 R49 49R9 C57 10n SDI 1 SDI 2 NC 5 GND 3 DISABLE 6 NC 14 SD HD 10 TAB NC 8 SDO 11 SDO 12 NC 15 NC 13 NC 7 RSET 4 VCC 9 NC 16 U7 GS2978 A_GND C50 4u7 SD closed HD open A_GND LOOP THROUGH L...

Page 11: ...BIT 10BIT H7 IOPROC_EN DIS H8 SDO J1 SDO_EN DIS J2 AOUT_1 2 J3 ACLK J4 AOUT_5 6 J5 XTAL2 J6 IO_GND J7 SDO K1 STANDBY K2 AOUT_3 4 K3 AMCLK K4 AOUT_7 8 K5 XTAL1 K6 IO_VDD K7 SDI_GND E2 U5 GS2971 Close t...

Page 12: ...13 NC 14 NC 2 NC 3 NC 4 Pad U14 TPS74201_RGW D11 LNJ311G8PRA A 3 B 4 R 5 GND 2 Vcc 1 110R U17 SN65LVDT2 GND GND VCC_3 3V GND GND GND VCC_3 3V GND GND GND GND VCC_3 3V GND GND GND VCC_3 3V GND VCC_5V_...

Page 13: ...EB GS2971 Evaluation Board User Guide 52169 2 June 2012 13 of 22 Proprietary Confidential 3 Board Layout Figure 3 1 Layer 1 Top Layer...

Page 14: ...EB GS2971 Evaluation Board User Guide 52169 2 June 2012 14 of 22 Proprietary Confidential Figure 3 2 Layer 2 Ground...

Page 15: ...EB GS2971 Evaluation Board User Guide 52169 2 June 2012 15 of 22 Proprietary Confidential Figure 3 3 Layer 3 Power...

Page 16: ...EB GS2971 Evaluation Board User Guide 52169 2 June 2012 16 of 22 Proprietary Confidential Figure 3 4 Layer 4 Signal 1...

Page 17: ...EB GS2971 Evaluation Board User Guide 52169 2 June 2012 17 of 22 Proprietary Confidential Figure 3 5 Layer 5 Signal 2...

Page 18: ...EB GS2971 Evaluation Board User Guide 52169 2 June 2012 18 of 22 Proprietary Confidential Figure 3 6 Layer 6 Bottom Layer...

Page 19: ...r 0402 3 C42 C49 C51 1 F Capacitor 0402 2 C43 C44 16pF Capacitor 0603 2 C50 C52 4 7 F Capacitor 0603 10 C58 C63 C65 C70 C84 C91 C92 C93 C94 C95 0 1 F Capacitor 0402 2 C100 C101 470nF Capacitor 0402 2...

Page 20: ...R47 R85 R86 75 Resistor 0402 1 R46 37 4 Resistor 0402 2 R48 R49 49 9 Resistor 0402 2 R57 R100 240 Resistor 0603 1 R92 10k Resistor 0603 1 R96 49 9k Resistor 0603 1 SW2 Switch DIP 10 SM Through Hole 1...

Page 21: ...971 Evaluation Board User Guide 52169 2 June 2012 21 of 22 Proprietary Confidential 1 U24 FXL2TD245 MAC010A 1 Y1 CS10 27 000M SM XTAL_6 0X3 5 2 Table 4 1 Bill of Materials Continued Quantity Reference...

Page 22: ...APPLICATIONS IS UNDERSTOOD TO BE UNDERTAKEN SOLELY AT THE CUSTOMER S OWN RISK Should a customer purchase or use Semtech products for any such unauthorized application the customer shall indemnify and...