Texas Instruments Technology for Innovators 4Q 2006 Manual page 38

1394 (FireWire
38
IEEE 1394b 3-Port Cable Transceiver/Arbiter
TSB81BA3D
Get samples, datasheets and app reports at:
Key Features
• Compliant with IEEE 1394b-2002, IEEE
1394a-2000 and 1394-1995 standards
• 3 Bilingual 1394 Ports
• • 1394b (Beta) Mode at s400 and s800
• • 1394a (Data Strobe -DS) Mode at s100,
s200 and s400
• Interoperable with link layer controllers using
3.3-V supplies and other 1394 PHYs using
1.8-V, 3.3-V and 5-V supplies
CPS
LPS
CNA
PINT
PCLK
LCLK
LREQ
CTL0
CTL1
D0
D1
D2
D3
D4
D5
D6
D7
RESETz
LKON/DS2
BMODE
PD
PC0
PC1
PC2
SE
SM
DS0
DS1
TESTM
TESTW
TSB81BA3D block diagram.
Interface Selection Guide
® )
www.ti.com/sc/device/TSB81BA3D
Applications
• Storage devices
• Consumer electronics
• 1394B PC ports
Received Data
Decoder/Retimer
Link
Interface
I/O
Arbitration
and Control
State Machine
Logic
Voltage
Regulator
Bias Voltage
and
Current
Generator
Bilingual
Cable Port 0
Bilingual
Cable Port 1
Bilingual
Cable Port 2
Crystal Oscillator,
PLL System,
and Transmit
Clock Generator
Transmit
Data
Encoder
R0
R1
TPBIAS0
TPBIAS1
TPBIAS2
TPA0+
TPA0−
TPB0+
TPB0−
TPA1+
TPA1−
TPB1+
TPB1−
TPA2+
TPA2−
TPB2+
TPB2−
XI
Texas Instruments 4Q 2006