TXC-06412BROG Transwitch Corporation, TXC-06412BROG Datasheet - Page 94

• Manufacturer Part Number: TXC-06412BROG
• Manufacturer: Transwitch Corporation

Specifications of TXC-06412BROG

• Lead Free Status / Rohs Status: Compliant

PHAST-12P Device
DATA SHEET
TXC-06412B
PRELIMINARY TXC-06412B-MB, Ed. 2
June 2005
REFTXCLK1
REFTXCLK2
REFRXCLK
TxRefSelect
In case REFTXCLOCK2P/N is used as Rx timebase, the 622.08 MHz frequency (bypass
mode) is not supported.
In Line/Loop - Timing mode, it is mandatory to provide an external Rx clock source at
REFRXCLK. Its frequency is selectable:
Figure 23
clocks.
• Either one of the two external Tx clock sources: REFTXCLK1 or REFTXCLK2P/N (Exter-
• The external Rx clock source: REFRXCLOCK (Line/Loop - Timing) (control field RxRef-
• 19.44 MHz
• 77.76 MHz
nal Timing) (control field TxRefSelect, see
tions)
Select, see
LINERXCLK1
LINERXCLK2
LINERXCLK3
LINERXCLK4
APSRXCLK
shows the relation between synthesized/recovered clocks and the reference
Figure 23. Clock Recovery and Clock Synthesis
Table 69
LineTimingChannel
of the
RxRefSelect
-
TimingMode
Operation
Memory Maps and Bit
-
RX PLL
TX PLL
Table 69
Descriptions)
of the
Clock/Data
Synthesis
Memory Maps and Bit Descrip-
Recovery
Clock
LINETXCLK
LINERXCLK1
LINERXCLK2
LINERXCLK3
LINERXCLK4
APSRXCLK
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