SI5351A-A-GMR Silicon Laboratories, SI5351A-A-GMR Datasheet - Page 17
SI5351A-A-GMR
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
Datasheet
1.SI5351A-A-GU.pdf
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Si5351A/B/C
Disable Outputs
Set CLKx_DIS high; Reg. 3 = 0xFF
Powerdown all output drivers
Reg. 16, 17, 18, 19, 20, 21, 22, 23 =
0x80
Set interrupt masks
(see register 2 description)
Write new configuration to device using
Register
the contents of the register map
Map
generated by ClockBuilder Desktop. This
step also powers up the output drivers.
Use ClockBuilder
(Registers 15-92 and 149-170)
Desktop v3.1 or later
Apply PLLA and PLLB soft reset
Reg. 177 = 0xAC
Enable desired outputs
(see Register 3)
2
Figure 12. I
C Programming Procedure
Preliminary Rev. 0.95
17
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