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UPD72850AGK-9EU Datasheet

  • UPD72850AGK-9EU

  • IEEE1394 400Mbps PHY

  • 48頁

  • NEC   NEC

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DATA SHEET
MOS INTEGRATED CIRCUIT
碌
PD72850A
IEEE1394 400Mbps PHY
The
碌
PD72850A is the 3-port physical layer LSI which complies with the P1394a draft 2.0 specifications.
The
碌
PD72850A works up to 400 Mbps. It is an upgrade of NEC's
碌
PD72850.
FEATURES
鈥?The Three-port Physical Layer LSI complies to IEEE P1394a draft 2.0
鈥?Connection debounce
鈥?Arbitration enhancements
鈥?Arbitrated short bus reset
鈥?Ack-accelerated arbitration
鈥?Fly-by concatenation
鈥?Multiple-speed packet concatenation
鈥?Arbitration enhancements and cycle start (controlled by the Link layer)
鈥?Performance optimization via PHY pinging
鈥?Priority arbitration (controlled by the Link layer)
鈥?Data rate: 393.216 / 196.608 / 98.304 Mbps
鈥?Compliant with Suspend/Resume function as defined in P1394a draft 2.1
鈥?3.3 V single power supply
鈥?Electrical isolated Link interface
鈥?24.576 MHz crystal clock generation, 393.216 MHz PLL multiplying frequency
鈥?System power management by signaling of node power class information
鈥?Cable power monitor (CPS) is equipped
鈥?Fully interoperable with IEEE1394 std 1394 Link (FireWire
TM
, i.LINK
TM
)
鈥?Cable bias and terminal voltage driver supply function (for 3-port each)
鈥?Separate digital power and analog GND
鈥?Enable/Disable port control switch when power supply is powered on
鈥?Support Suspend/Resume Off mode (Compliant with P1394a draft 1.3)
鈥?Number of supported port are selectable
鈥?1port, 2port, 3port. This selection is only under Suspend/Resume Off mode
鈥?Compliant with MD8405E (FUJIFILM MICRODEVICES CO., LTD)
ORDERING INFORMATION
Part number
Package
80-pin plastic TQFP (Fine pitch) (12 x 12 mm)
碌
PD72850AGK-9EU
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
Document No. S14452EJ1V0DS00 (1st edition)
Date Published October 1999 NS CP(K)
Printed in Japan
1999

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