VSC880TY Vitesse Semiconductor Corp., VSC880TY Datasheet
VSC880TY
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Data Sheet VSC880 Features • 16x16 Synchronous Serial Crosspoint Switch • Serial Data Rates: 2.0Gb/s • 32Gb/s Aggregate Data Bandwidth • Parallel Switches Can Increase Data Bandwidth in Multiples of 32Gb/s • Designed in Conjunction with the VSC870 Backplane Transceiver ...
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High Performance 16x16 Serial Crosspoint Switch General Description The VSC880 is a 16x16 serial crosspoint switch with serial data rates at 2.125Gb/s. The VSC880 has been designed to operate with the VSC870 backplane transceiver to establish a synchronous high performance ...
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Data Sheet VSC880 Pin Name RESYNEN Resynch Enable INT Interrupt MEN Reserved FACLPBK Facility Loop Back CMODE Cell Mode TESTEN Scan Test Enable SCANIN Scan Data In SCANOUT Scan Data Out WCLK Word Clock REFCLK Reference Clock TCLKEN Test Clock ...
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High Performance 16x16 Serial Crosspoint Switch Pin Name LOCKDET CMU Lock Detect VSCTE NOR Chain Test Enable VSCIPNC NOR Chain Input VSCOPNC NOR Chain Output VDD1, VDD2, Serial Port Power VDD3, VDD4 Supplies VDDA CMU Power Supply VSSA CMU Ground ...
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Data Sheet VSC880 1.1.2 Data Scrambling To allow the VSC870 CRU to recover the bit clock, a 15% edge transition density must be guaranteed on the serial data links. All command words and connection request words contain this required density. ...
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High Performance 16x16 Serial Crosspoint Switch 1.1.6 Link Error Detection There are four types of link errors that can be flagged on the receive serial links. Link errors are detected using IDLE words link error is detected, a ...
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Data Sheet VSC880 Command -- Where: B[1:0]00=Undefined (during normal operation) or alignment ...
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High Performance 16x16 Serial Crosspoint Switch disabled. All data transfer timing is asynchronous to REFCLK. The Interrupt Control Register is written by the user to mask certain operations. If ICE is set HIGH, the INT output pin will go LOW ...
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Data Sheet VSC880 ADDR[5: ...
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High Performance 16x16 Serial Crosspoint Switch FI[15:0]Force IDLE register, bit 0 is channel 0 etc RESY[15:0]Resynch register, bit 0 is channel 0 etc OE[15:0]Output enable register, bit 0 is channel 0 etc LPBK[15:0]Facility loopback register, bit 0 is channel 0 ...
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Data Sheet VSC880 Figure 4: Switch Configuration Interface Functional Timing (CEN=0) REFCLK DATA[15:0] The switch configuration data for each port is as follows: F0[3:0] = FI[port9], FI[port8], FI[port1], FI[port0] F1[3:0] = FI[port11], FI[port10], FI[port3], FI[port2] F2[3:0] = FI[port13], FI[port12], FI[port5], ...
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High Performance 16x16 Serial Crosspoint Switch Figure 5: Built-in Self-Test Functional Timing REFCLK ADDR[4:0] BSTRST BSTPASS The signal BSTRST is used to reset the PRBS pattern, and there is a comparator that sets the signal BSTPASS HIGH if the test ...
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Data Sheet VSC880 2.0 Packet Mode 2.1 Overview In Packet Mode (CMODE=LOW), command words can be sent through the transceiver to the switch chip requesting connection to one or multiple output channels. Acknowledge (ACK) information will be returned to the ...
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High Performance 16x16 Serial Crosspoint Switch Where: A[1:0]11=to switch chip, 00=from switch chip B[1:0]00=Undefined, 01=Flow control ...
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Data Sheet VSC880 Where: B[1:0]00=Undefined, 01=Flow control channel, 10=Flow control channel, 11=Acknowledge BRK1=This is the CRQ word for the next ...
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High Performance 16x16 Serial Crosspoint Switch Figure 7: Packet Transmission Format from Transceiver Example 1: Header CRQ 00 CRQ CRQ 00 IDLEs 11 Header BB D0 2.4 Arbitration In Packet Mode, if ...
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Data Sheet VSC880 2.5 Transmitter Operation In Packet Mode, the transmitter sends out data words that come from the switch matrix, adding the appropriate overhead bit information for acknowledges, response bits and flow control. Acknowledges are used to signal the ...
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High Performance 16x16 Serial Crosspoint Switch 3.0 Cell Mode 3.1 Overview In Cell Mode (CMODE = HIGH), a more sophisticated arbitration scheme can be supported by using the VSC870 and the VSC880 switch in conjunction with a central (user defined) ...
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Data Sheet VSC880 3.4 Transmitter Operation If CMODE is HIGH and the force IDLE register is set LOW, the transmitter sends data words from the switch fabric. If the force IDLE register is set HIGH, IDLE words are transmitted. At ...
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High Performance 16x16 Serial Crosspoint Switch AC Characteristics Table 1: LVDS and TTL Outputs Parameters Description T TTL Output Rise Time R,TTL T TTL Output Fall Time F,TTL T LVDS Output Rise Time R,LVDS T LVDS Output Fall Time F,LVDS ...
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Data Sheet VSC880 Table 3: Receive Data Output Timing Table Parameter T Interrupt pulse width INT T RESET, RESYNEN pulse width RESET Figure 11: CPU Interface Write Cycle Timing T SU CWEN CSEL ADDR[5:0] CDATA[7: Figure 12: CPU ...
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High Performance 16x16 Serial Crosspoint Switch DC Characteristics Table 5: LVDS and TTL Inputs and Outputs Parameters Description V Output HIGH voltage (TTL Output LOW voltage (TTL O/P Common Mode Range (LVDS) OCM V Differential Output ...
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Data Sheet VSC880 Absolute Maximum Ratings Power Supply Voltage (V ) Potential to GND.................................................................................-0.5V to +4V DD Power Supply Voltage (V ) Potential to GND ................................................................................-0. Input Voltage (LVDS inputs) .......................................................................................... -0. Input ...
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High Performance 16x16 Serial Crosspoint Switch Package Pin Descriptions Signal Pin NC A01 VSS A02 VSS A03 BSTLPBK VSS A04 NC A05 REFCLK A06 CCLK A07 VSS A08 DATA[2] A09 DATA[5] A10 DATA[6] A11 DATA[10] A12 DATA[13] A13 DATA[14] A14 ...
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Data Sheet VSC880 Signal Pin VMM M01 RXS[10]- VDD1 M02 TXS[3]- M03 TXS[6]- TXS[3]+ M04 TXS[12]+ M20 RXS[6]+ TXS[12]- M21 RXS[9]+ VDD4 M22 VMM M23 TXS[9]- VMM N01 VDD2 N02 TXS[6]+ TXS[4]- N03 TXS[4]+ N04 RXS[6]- TXS[11]+ N20 TXS[11]- N21 ...
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High Performance 16x16 Serial Crosspoint Switch Package Information Page 26 © VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012 Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com VITESSE SEMICONDUCTOR CORPORATION 304 BGA Package Internet: www.vitesse.com ...
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Data Sheet VSC880 Package Thermal Characteristics The VSC880 is packaged in a thermally enhanced 31mm 304TBGA with an embedded heat sink. The heat sink surface configurations are shown in the package drawings. With natural convection, the junction to case thermal ...
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High Performance 16x16 Serial Crosspoint Switch Page 28 © VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012 Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com VITESSE SEMICONDUCTOR CORPORATION This page left intentionally blank. Internet: www.vitesse.com ...