EN 64
3139 785 30981
8.
Circuit- and IC Description
8.6.2 Digital
Board
IC7301 - IEEE 1394a-2000 one port cable Transceiver/Arbiter
BLOCK
DIAGRAM
Received Data
Decoder/Retimer
Link
Interface
I/O
Arbitration
and Control
State Machine
Logic
Bias Voltage
and
Current
Generator
Transmit Data
Encoder
Cable Port
Crystal
Oscillator,
PLL System,
and Clock
Generator
TPA+
CPS
TPA–
TPB+
TPB–
XI
XO
FILTER0
FILTER1
LPS
ISO
CNA†
SYSCLK
LREQ
CTL0
CTL1
D0
D1
D2
D3
D4
D5
D6
D7
PC0
PC1
PC2
C/LKON
R0
R1
TPBIAS
PD
RESET
† CNA output is only available in the 64-pin PAP package
Figure 8-12