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XRT86VL30
166
REV. 1.0.1
SINGLE T1/E1/J1 FRAMER/LIU COMBO - T1 REGISTER DESCRIPTION
TABLE 147: LIU GLOBAL CONTROL REGISTER 4 (LIUGCR4)
HEX ADDRESS: 0X0FE9
BIT
FUNCTION
TYPE
DEFAULT
DESCRIPTION-OPERATION
7-4
Reserved
R/W
0
3-0
CLKSEL[3:0]
R/W
0001
Clock Select Input [3:0]
These four bits allow users to select the programmable input clock
rates for the MCLKIN input pin, according to the table below.
NOTE: User must provide any one of the above clock frequencies to
the MCLKIN input pin for the device to be functional.
CLKSEL[3:0]
CLOCK RATE OF THE MCLKIN
INPUT PIN
0000
2.048MHz
0001
1.544MHz
0010 - 0111
Reserved
1000
4.096MHz
1001
3.088MHz
1010
8.192MHz
1011
6.176MHz
1100
16.384MHz
1101
12.352MH
1110
2.048MHz
1111
1.544MHz