DS3172N Maxim Integrated, DS3172N Datasheet - Page 56

• Manufacturer Part Number: DS3172N
• Description: Network Controller & Processor ICs Dual DS3/E3 Single Chip Transceiver
• Manufacturer: Maxim Integrated

Specifications of DS3172N

• Part # Aliases: 90-31720-N00

Table 10-4. Source Selection of TCLKOn (internal TX clock)
Signal
TCLKOn
Figure 10-3
Figure 10-3. Internal RX Clock
Table 10-5
Table 10-5. Source Selection of RCLKO Clock Signal (internal RX clock)
Signal
RCLKOn
Rx LIU CLOCK
identifies the source of the output signal RCLKOn based on certain variables and register bits.
shows the source of the RCLKOn signals.
LOOPT
PORT.CR3
LOOPT
PORT.CR3
RLCLK
1
1
0
0
0
0
1
1
0
0
0
0
0
LBM[2:0]
TCLKO
DLB disabled & ALB
DLB (1XX) or ALB
DLB disabled
LIUEN
(PORT.CR4)
PLB disabled
PLB disabled
DLB (1XX)
DLB (1XX)
LBM[2:0]
0
1
PLB (011)
PLB (011)
disabled
(001)
XXX
XXX
XXX
XXX
(PORT.CR4)
DIAGNOSTIC
LOOPBACK
0
1
LIUEN
56
LIUEN
X
1
0
1
0
0
1
X
X
1
0
1
0
RCLKO
CLADC
(PORT.
CR3)
CLADC
(PORT.
CR3)
X
X
X
X
X
X
X
X
0
1
0
1
1
RX LIU
RLCLKn
RX LIU
RLCLKn
CLAD
TCLKIn
RX LIU
RLCLKn
RX LIU
RLCLKn
CLAD
TCLKIn
TCLKIn
Source
Source