Digi NS9750 - Manual (Page 27)

w w w . d i g i e m b e d d e d . c o m 3
A b o u t N S 9 7 5 0
Burst mode support with automatic data width adjustment
Two external DMA channels for external peripheral support
System Boot
High-speed boot from 8-bit, 16-bit, or 32-bit ROM or Flash
Hardware-supported low cost boot from serial EEPROM through SPI port
(patent pending)
High performance 10/100 Ethernet MAC
10/100 Mbps MII/RMII PHY interfaces
Full-duplex or half-duplex
Station, broadcast, or multicast address filtering
2 kB RX FIFO
256-byte TX FIFO with on-chip buffer descriptor ring
–
Eliminates underruns and decreases bus traffic
Separate TX and RX DMA channels
Intelligent receive-side buffer size selection
Full statistics gathering support
External CAM filtering support
PCI/CardBus port
PCI v2.2, 32-bit bus, up to 33 MHz bus speed
Programmable to:
–
PCI device mode
–
PCI host mode:
Supports up to 3 external PCI devices
Embedded PCI arbiter or external arbiter
CardBus host mode