DS26502 Maxim Integrated Products, DS26502 Datasheet - Page 36

• Manufacturer Part Number: DS26502
• Description: T1/E1/J1/64KCC BITS Element
• Manufacturer: Maxim Integrated Products

Bit 3 and 4: Transmit PLL Input Frequency Select (TPLLIFS[1:0]). These bits are used to indicate the reference
frequency being input to the TX PLL.
Bit 5: PLL_OUT Select (PLLOS). This bit selects the source for the PLL_OUT pin. See
Bits 6 and 7: Transmit PLL Output Frequency Select (TPLLOFS[1:0]). These bits are used to select the TX PLL output
frequency.
TPLLIFS1
TPLLOFS1
0
0
1
1
0
0
1
1
0 = PLL_OUT is sourced directly from the TX PLL.
1 = PLL_OUT is the output of the TX PLL mux.
TPLLIFS0
TPLLOFS0
0
1
0
1
0
1
0
1
Output Frequency
Input Frequency
1.544MHz
2.048MHz
1.544MHz
2.048MHz
6312kHz
6312kHz
64kHz
64kHz
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DS26502 T1/E1/J1/64KCC BITS Element
Figure
3-3.