PXB4340E Datasheet, PDF (15/185 Pages) Infineon Technologies AG – ICs for Communications

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• Performance up to STM-4/OC-12 equivalent ATM layer
processing
• Flexibel throughput from1 .. 687 Mbit/s bi-directional
• Up to 16384 connections in both directions (VPC/ VCC)
• Temperature range from 0°C to 70°C
• Multiport UTOPIA Level 2 interface in up- and
downstream direction according to ATM Forum, UTOPIA
Level 1 and 2 specifications [ ]
P-BGA-352
P-BGA-352
• 16-bit microprocessor interface, e.g. 386EX
• Cell insert/extract function
• 32 cell FIFO buffer at UTOPIA upstream receive interface
• 96 cell shared buffer for up to 24 PHYs at UTOPIA downstream transmit interface
• Boundary scan support according to JTAG []
• Internal data stream loop at ATM and at PHY side
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• Two external SSRAMs for connection related data, one for upstream and one for downstream
direction, 2 x 4 Mbit for 16K connections
• DMA for fast data transfer between external RAM and microprocessor
• All entries parity protected
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• OAM Levels and Flows (F4/F5) according to ITU-T/I.610 [] and Bellcore GR-1248 []
• All OAM cell types hard-wired
• Generation, discard, extraction and insertion of OAM cells
• Programmable OAM cell types for future standardization
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• AIS/RDI/CC function for all connections permanently active
• Automatic generation of VP/VC-AIS cells at line failures
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PXB 4340 E
Data Sheet
3DFNDJH
P-BGA-352-2
1-15
04.2000