SI5351A-A-GMR Silicon Laboratories, SI5351A-A-GMR Datasheet - Page 29

• Manufacturer Part Number: SI5351A-A-GMR
• Description: Control: I2C; Reference Inputs: 1; Clock Outputs: 8; Input Frequency (MHz): 25/27 MHz (Xtal); Output Frequency (MHz):...
• Manufacturer: Silicon Laboratories

Reset value = 0000 0000
Register 15. PLL Input Source
Name
Bit
7:4
1:0
Type
3
2
Bit
PLLB_SRC
PLLA_SRC
Reserved
Reserved
Name
R/W
D7
Leave as default.
Input Source Select for PLLB.
0: Select the XTAL input as the reference clock for PLLB (Si5351A/C only).
1: Select the CLKIN input as the reference clock for PLLB (Si5351C only).
Input Source Select for PLLA.
0: Select the XTAL input as the reference clock for PLLA.
1: Select the CLKIN input as the reference clock for PLLA (Si5351C only).
Leave as default.
R/W
D6
R/W
D5
Preliminary Rev. 0.95
R/W
D4
PLLB_SRC PLLA_SRC
Function
R/W
D3
R/W
D2
Si5351A/B/C
R/W
D1
R/W
D0
29