IDT77252

www.DataSheet4U.com 155 Mbps ATM SAR Controller With ABR Support for PCI-based Networking Applications IDT77252
   x x x x x x x x x x x x x x x x x x x x x x x Full-duplex Segmentation and Reassembly (SAR) at 155 Mbps "wire-speed" (310 Mbps aggregate speed) Operates with ATM Networks up to 155.52 Mbps Stand-alone Controller: Embedded Processor not required Performs ATM Layer Protocol Functions Supports AAL5, AAL3/4, AAL0 and Raw Cell Formats Supports Constant Bit Rate (CBR), Variable Bit Rate (VBR), and Unassigned Bit Rate (UBR), and Available Bit Rate (ABR) Service Classes Segments and Reassembles CS-PDUs into Host Memory Up to 16K Open Transmit Connections Up to 16K Simultaneous Receive Connections ABR, VBR, UBR Selectable per VC Time-out Automatic AAL5 Padding Four Buffer Pools for Independent or Chained Reassembly Supports Any Buffer Alignment Condition Free Buffer Queues Mapped Into PCI Memory Space Rx FIFO Size (Configurable to 1024 Kbytes) Configurable Transmit FIFO Depth for Reduced Latency Supports Big and Little Endian Data Transfers Null Cell Disable Option During Transmit NAND Test Mode RM Cell Handling UTOPIA Level 1 Interface to PHY Utility Bus Interface for PHY Management Serial EEPROM Interface x EPROM Interface x PCI 2.1 Compliant x UNI 3.1, TM 4.0 Compliant x Meets PCI Bus Power Management and Interface Specification Revision 1.1 x Pin Compatible with IDT 77211 SAR x Commercial and Industrial Temperature Ranges x 208-Lead PQFP Package ...