• LMK61E2EVM: How to canncel the Xo Harmonic spur with the LMK61E2

  

  kai You

  TI Thinks Resolved

  Part Number: LMK61E2EVM Hi, I am trying to get the clock signal as much clear as the plot in the user Guide. There is no big spur at least But I only can get the clock Phase noise plot as below. All the setting is the default. It seems that the…

  • over 4 years ago
  • Clock & timing
  • Clock & timing forum

• LMK61E2: OUTPUT FREQUENCY WITHOUT I2C

  

  guru sai

  TI Thinks Resolved

  Part Number: LMK61E2 Please specify what will be the output frequency of LMK61E2. I am not using I2C lines. So can we get 156.25Mhz even without configuring with I2C?

  • over 5 years ago
  • Clock & timing
  • Clock & timing forum
Answered

• LMK61E2: IIC address

  

  user4532109

  Resolved

  Part Number: LMK61E2 I am now using the LMK61E2. I wrote an FPGA-based IIC configuration code snippet to change the default frequency to 250 MHz (the code was verified and can work correctly). Here is my situation: I am certain that I encounter the…

  • Resolved

  • over 6 years ago
  • Clock & timing
  • Clock & timing forum
Answered

• LMK61E2: Cannot Change Value in Reg 26 - PLL_NDIV_BY0

  

  Eric Brooks

  Resolved

  Part Number: LMK61E2 Hello, I have a LMK61E2 that is factory programmed for 156.25 MHz LVPECL output. I am using an embedded uP to modify register values during operation without writing to EEPROM. I am able to update Reg 23 - OUTDIV_BY0 and have it…

  • Resolved

  • over 5 years ago
  • Clock & timing
  • Clock & timing forum

• LMK61E2: EEPROM write

  

  Roy Chou1

  TI Thinks Resolved

  Part Number: LMK61E2 Hi Team, I know there is sec 8.5.5 which is writing EEPROM step by step procedure. But I would like know if LMK61E2 have a function that MCU know the LMK61E2 had been burned. The reason I ask that because I would like to use…

  • over 6 years ago
  • Clock & timing
  • Clock & timing forum

• LMK61E2: The frequency shift question for LMK61E2

  

  Mickey Zhang

  TI Thinks Resolved

  Part Number: LMK61E2 Hi team, The customer would like to get if the fixed frequency shift of the two crystals can be limited in a rang for LMK61E2. If it can, would you explain how to do this?

  • over 8 years ago
  • Clock & timing
  • Clock & timing forum

• LMK61E2-156M: 1.8V single end output

  

  Roy Chou1

  TI Thinks Resolved

  Part Number: LMK61E2-156M Other Parts Discussed in Thread: LMK6C , Hi Team, Could you let me know which register could adjust the output waveform from +/-900mV to 0~1.8V Regards, Roy

  • over 5 years ago
  • Clock & timing
  • Clock & timing forum
Answered

• LMK61E2: Can I use LMK61E2 to provide clock signal for TMS320F28379D?

  

  LeoLeoHu

  Resolved

  Part Number: LMK61E2 Other Parts Discussed in Thread: TMS320F28379D , LMK61E0M Can I use the LMK61E2 to generate a single-ended square wave from 0V to 3.3V with a 45-55% duty cycle and max rise/fall time of 6ns, whose maximum frequency should be 25MHz…

  • Resolved

  • over 7 years ago
  • Clock & timing
  • Clock & timing forum
Answered

• LMK01010: How to use LVDS to drive LMK01010 input. LMK61E2 as ClokIn LVDS

  

  Sergio Pavesi

  Resolved

  Part Number: LMK01010 Other Parts Discussed in Thread: LMK61E2 , LMK01000 , LMK02000 Good Morning / Afternoon, thanks for your time and support until now. I have some problem with the datasheet of LMK01010. From the datasheet is difficult to clearly…

  • Resolved

  • over 5 years ago
  • Clock & timing
  • Clock & timing forum

• LMK61E2: Two register values change back to their reset value unexpectedly

  

  Yong Liu1

  TI Thinks Resolved

  Part Number: LMK61E2 Hi Ti， We bough two pieces of LMK61E2. The first one looks fine in recent frequent tests. The second one was soldered on the similar PCB. However, the output of the second LML61E2 is unstable. After the register value writing…

  • over 5 years ago
  • Clock & timing
  • Clock & timing forum

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