W90N740CD WINBOND [Winbond], W90N740CD Datasheet - Page 5

• Manufacturer Part Number: W90N740CD
• Description: 32-Bit ARM7TDMI-Based Micro-Controller
• Manufacturer: WINBOND [Winbond]

External Bus Interface (EBI)
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On-Chip Instruction and Data Cache
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Ethernet MAC Controller (EMC)
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NAT Accelerator (Patent Pending)
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GDMA Controller
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External I/O Control with 8/16/32 bit external data bus
Cost-effective memory-to-peripheral DMA interface
SDRAM Controller supports up to 2 external SDRAM & the maximum size of each device is 32MB
ROM/FLASH & External I/O interface
Support for PCMCIA 16-bit PC Card devices
Two-way, Set-associative, 8K-byte I-cache and 2K-byte D-cache
Support for LRU (Least Recently Used) Protocol
Cache can be configured as an internal SRAM
Support Cache Lock function
IEEE 802.3 protocol engine with programmable MII or RMII interface for 10/100 Mbits/s
DMA engine with burst mode
256 bytes transmit & 256 bytes receive FIFO for MAC protocol engine and DMA access
Built-in 16 entry CAM Address Register
Support long frame (more than 1518 bytes) and short frame (less than 64 bytes)
Re-transmit (during collision) the frame without DMA access
Half or full duplex function option
Support Station Management for external PHY
On-Chip Pad generation
Hardware acceleration on IP address / port number look up and replacement for network address
translation, including MAC address translation
Provide 64 entries of translation table
Support TCP / UDP packets
2 Channel GDMA for memory-to-memory data transfers without CPU intervention
Increase or decrease source / destination address in 8-bit, 16-bit, or 32-bit data transfers
Supports 4-data burst mode to boost performance
Support external GDMA request
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W90N740CD/W90N740CDG