TSB81BA3E
www.ti.com
SLLS783A –MAY 2009–REVISED MAY 2010
IEEE 1394b THREE-PORT CABLE TRANSCEIVER/ARBITER
Check for Samples: TSB81BA3E
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FEATURES
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Fully Supports Provisions of IEEE P1394b
Revision 1.33+ at 1-Gigabit Signaling Rates
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Interface to Link-Layer Controller Supports
Low Cost TI Bus-Holder Isolation
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Fully Supports Provisions of IEEE 1394a-2000
and 1394-1995 Standard for High Performance
Serial Bus
Interoperable With Link-Layer Controllers
Using 3.3-V Supplies
Interoperable With Other 1394 Physical Layers
(PHYs) Using 1.8-V, 3.3-V, and 5-V Supplies
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Fully Interoperable With Firewire , i.LINK , and
SB1394 ™, Implementation of IEEE Std 1394
Low Jitter, External Crystal Oscillator Provides
Transmit and Receive Data at 100/200/400/800
Mbits/s, and Link-Layer Controller Clock at
49.152 MHz and 98.304 MHz
Provides Three Fully Backward Compatible,
(1394a-2000 Fully Compliant) Bilingual P1394b
Cable Ports at up to 800 Megabits per Second
(Mbits/s)
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Separate Bias (TPBIAS) for Each Port
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Provides Three 1394a-2000 Fully Compliant
Cable Ports at 100/200/400 Mbits/s
Low Cost, High Performance 80-Pin TQFP
(PFP) Thermally Enhanced Package and
168-Pin ZAJ (BGA) Package
Full 1394a-2000 Support Includes:
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Connection Debounce
Arbitrated Short Reset
Multispeed Concatenation
Arbitration Acceleration
Fly-By Concatenation
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Software Device Reset (SWR)
Fail-Safe Circuitry Senses Sudden Loss of
Power to the Device and Disables the Ports to
Ensure That the TSB81BA3E Does Not Load
the TPBIAS of Any Connected Device and
Blocks any Leakage From the Port Back to
Power Plane
Port Disable/Suspend/Resume
Extended Resume Signaling for
Compatibility With Legacy DV Devices
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The TSB81BA3E Has a 1394a-2000 Compliant
Common-Mode Noise Filter on the Incoming
Bias Detect Circuit to Filter Out Cross-Talk
Noise
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Power-Down Features to Conserve Energy in
Battery Powered Applications
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Low-Power Sleep Mode
The TSB81BA3E Is Port Programmable to
Force 1394a Mode to Allow Use of 1394a
Connectors (1394b Signaling Must Not Be Put
Across 1394a Connectors or Cables)
Fully Compliant With Open Host Controller
Interface (HCI) Requirements
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Cable Power Presence Monitoring
Internal Voltage Regulator Option
Cable Ports Monitor Line Conditions for Active
Connection to Remote Node
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Register Bits Give Software Control of
Contender Bit, Power Class Bits, Link Active
Control Bit, and 1394a-2000 Features
Data Interface to Link-Layer Controller Pin
Selectable From 1394a-2000 Mode (2/4/8
Parallel Bits at 49.152 MHz) or 1394b Mode
(8 Parallel Bits at 98.304 MHz)
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