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National Semiconductor - IEEE 1394 OHCI Controller

Numéro de référence CS4210
Description IEEE 1394 OHCI Controller
Fabricant National Semiconductor 
Logo National Semiconductor 





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CS4210 fiche technique
July 2000
Geode™ CS4210 IEEE 1394
OHCI Controller
General Description
The National Semiconductor® Geode™ CS4210 is a PCI-
based IEEE 1394 OHCI (Open Host Controller Interface)
controller. The CS4210 provides an implementation of the
IEEE 1394 Link Layer functionality according to the pro-
gramming model defined by 1394 OHCI Specification Ver-
sion 1.0. It supports high speed serial communication up to
400 Mbits per second.
The CS4210 is an implementation of the link layer protocol
of the IEEE 1394 high speed serial bus, with additional fea-
tures to support the transaction and bus management lay-
ers. The CS4210 also includes DMA engines for high
speed performance data transfer and a host PCI bus inter-
face. Perfect for use in PC, set-top box, thin client, and
WebPAD™ system applications.
The CS4210 supports two types of data transfers: asyn-
chronous and isochronous.
The CS4210 provides an external IEEE 1394 physical layer
device interface. The CS4210’s physical layer interface
(PHY-Link) is compatible with the Geode™ CS4103 and
other IEEE 1394 physical layer devices.
Features
 Supports 100, 200, and 400 Mbit/sec data transfer rates
 Compliant with 1394 OHCI Specification Version 1.0
 Compatible interface with the Geode CS4103 IEEE
P1394a Physical Layer (PHY) device and other IEEE
1394-1995 version and P1394a Draft 2.0 Physical Layer
devices
 Eight isochronous transmit contexts
 Eight isochronous receive contexts
 Capable of reading a 128-byte descriptor in one burst
 128 byte, zero wait state bursting
 Dynamically re-prioritize services
 2 KB of isochronous transmit FIFO
 2 KB of asynchronous transmit FIFO
 4 KB of receiver FIFO
 Per-packet FIFO thresholding
 Four concurrent posted writes
 Eight pending physical responses
 National specific configuration registers
 I2C interface support for an optional serial EEPROM
 Accepts and generates external 8 kHz reference clock
 5V tolerant PCI rev 2.1 I/O interface
 0.25µ CMOS
 100-pin LQFP (Low-profile Quad Flat Pack) package
 NAND tree for test purposes
System Block Diagram
PCI Bus
EEPROM
I2C Interface
PCI Interface
Geode™ CS4210
IEEE 1394
OHCI Controller
PHY-Link Interface
Geode™ CS4103
P1394a
Physical Layer
IEEE 1394
Cable
Connectors
National Semiconductor is a registered trademark of National Semiconductor Corporation.
Geode and WebPAD are trademarks of National Semiconductor Corporation.
For a complete listing of National Semiconductor trademarks, please visit www.national.com/trademarks.
© 2000 National Semiconductor Corporation
www.national.com

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