Infineon Technologies ADM5120
ADM5120 is a high performance, highly integrated, and highly flexible SOC (System-On-Chip) that facilitates the functionalities of SO HO/SME G ateway, NAT Rou ter, P rint S erver, WLA N A ccess P oint an d V PN G ateway. The following di agram i llustrates a s ystem c onfiguration that us es t he supported functionalities/facilities of ADM5120. Internally, the ADM5120 ASIC consists of a high performance (227 MIPS) embedded MIPS CPU, an embedded switch engine, 1 0/100M PHY, an embedded PCI br idge, an em bedded US B host, and i nterfaces f or UA RT, SDRAM an d Flash.FEATURES
The following describes the features of the ADM5120. 1.2.1 ASICFEATURES
DESCRIPTION
of ASIC features: 1.2.1.1 Processor Processor features:● MIPS 4Kc CPU
● Embedded cache, 8 Kbyte I-cache, 8 Kbyte D-cache
● Embedded memory management unit (MMU) – 32-entry TLB, organized as 16 entry pairs
● 175 MHz/227 MIPS 1.2.1.2 Networking Networking features:
● 6 ports
● IEEE 802.3 Fast Ethernet
● 5 auto-MDIX (auto-crossover) twisted paired LAN interfaces, embedded 10/100M PHY
● 1 GMII1)/MII interface
● Flexible WAN port selection
● Embedded switch engine
● Embedded Data-buffer/Address-look-up table
● Look-up table read/write-able
● MAC layer security
● MAC clone solution
● Multicast grouping (IGMP)
● MAC filtering, Bandwidth control
● Class of Services (CoS) with two priority levels
● Shared dynamic data buffer management, embedded SSRAM
● Port grouping VLAN (overlap-able)
● TCP/IP accelerator 1) Available in BGA only, not PQFP Data Sheet 9 Rev. 1.1, 2005-03-30 ADM5120 1.2.1.3 Memory Int...