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8.2
Digital Board
IC7301 - IEEE 1394a-2000 one port cable Transceiver/Arbiter
BLOCK DIAGRAM
CPS
LPS
ISO
C A
S SCL
LRE
CTL0
CTL1
D0
D1
D
D
D
D
D
D
PC0
PC1
PC
C/L O
R0
R1
TPBIAS
PD
RESET
† CNA output is only available in the 64-pin PAP package
Received Data
Decoder/Retimer
Link
Interface
I/O
State Machine
Transmit Data
Figure 8-12
IC description
3139 785 33120
Arbitration
and Control
Logic
Bias Voltage
and
Current
Generator
Encoder
8.
EN 47
TPA+
TPA–
Cable Port
TPB+
TPB–
Crystal
XI
Oscillator,
XO
PLL System,
FILTER0
and Clock
FILTER1
Generator
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