The µPD72862 is IEEE1394 OHCI-Link controller. The µPD72862 complies with the P1394a draft 2.0 specifications and works up to 400 Mbps.
It supports both of the Cardbus interface and the PCI bus interface.

FEATURES
• Compliant with Link Layer Services as defined in 1394 Open Host Controller Interface specification release 1.0
• Compliant with protocol enhancement as defined in P1394a draft 2.0
• Modular 32-bit host interface compliant to PCI Specification release 2.1
• Supports PCI-Bus Power Management Interface Specification release 1.0
• Supports Cardbus
• Equipped CIS register
• Cycle Master and Isochronous Resource Manager capable
• Compatible to PHY Layer implementation of 100/200/400 Mbps via 2/4/8-bit data interface
• Built-in FIFOs for isochronous transmit (1024 bytes), asynchronous transmit (1024 bytes), and receive (2048 bytes)
• 32-bit CRC generation and checking for receive/transmit packets
• 4-isochronous transmit DMAs and 4-isochronous receive DMAs supported
• Support both IEEE1394-1995 compliant PHY and P1394a compliant PHY
• Internal control and operational registers direct-mapped to PCI configuration space
• 2-wire Serial EEPROMTM interface supported