DS3172+ Maxim Integrated Products, DS3172+ Datasheet - Page 55

• Manufacturer Part Number: DS3172+
• Description: IC TXRX DS3/E3 DUAL 400-BGA
• Manufacturer: Maxim Integrated Products

Specifications of DS3172+

• Function: Single-Chip Transceiver
• Interface: DS3, E3
• Number Of Circuits: 2
• Voltage - Supply: 3.135 V ~ 3.465 V
• Current - Supply: 328mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 400-BGA
• Includes: DS3 Framers, E3 Framers, HDLC Controller, On-Chip BERTs
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power (watts): -

Table 10-3. Source Selection of TLCLK Clock Signal
Signal
TLCLKn
Figure 10-2
Figure 10-2. Internal TX Clock
Table 10-4
identifies the source of the output signal TCLKOn based on certain variables and register bits.
shows the source of the TCLKOn signals.
TCLKI
CLAD
LOOPT
PORT.
CR3
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
RCLKO
(PORT.CR4)
PORT.CR3.
LBM[2:0]
CLADC
XXX
XXX
10X
10X
010
110
010
110
011
011
000
001
100
111
000
001
100
111
0
1
LOOPBACK
PAYLOAD
LLB or
PLB
PLB
PLB
LLB
LLB
LLB
LLB
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NA
NA
0
1
55
LIUEN
X
X
X
X
X
X
X
X
X
X
1
0
1
1
0
0
1
0
TCLKO
CLADC
(PORT.
CR3)
X
X
X
X
X
X
X
X
0
0
0
0
0
1
1
1
1
1
RX LIU
RLCLKn
RX LIU
RX LIU
RLCLKn
RLCLKn
RX LIU
RLCLKn
CLAD
CLAD
CLAD
CLAD
CLAD
TCLKIn
TCLKIn
TCLKIn
TCLKIn
TCLKIn
Source