Other Parts Discussed in Thread: , TICSPRO-SW
Hi,
Input Ref on XIN:
1) crystal , on CDCI6214EVM
2) LVCOMS (VDDCO=VDDREF= +3.3V), on prototype board
Output clock configuration requirements:
Y0: 25MHz,
Y1: LVDS, 100MHz, +1.8V
Y2: LVCMOS, P+N+, 100MHz, +1.8V
Y3: LVCMOS, P+N+, 125MHz, +1.8V
Y1: LVDS, 100MHz, +1.8V
TICS Pro version: v1.7.5.7
I tried the related configurations below:
chX_1p8vdet --1 (1.8V)
Address 3Bh, (bit 12-11) chx_lvds_cmtrim_inc = 2
Address 3Bh, (bit 4) chx_lvcmos_drv --1 (Fast)
Address 3Bh, (bit 2, bit1) CH0_LVCMOS_DRV=fast mode(3h)=normal mode(28ohm)
Address 1Bh,
bit 14: ip_byp_en_ch3 = 1
bit 13: ip_byp_en_ch3 = 1
bit 12: ip_byp_en_ch2 = 1
bit 11: ip_byp_en_ch1 = 1
The Register Commit flow was used by me.
Unfortunately, except for correct output 25MHz waveform on Y0 pin is correct (both amplitude and frequency) , I still can't get the desired correct clock waveforms on output Y1 to Y4 pins. After AC-couple was set on my Oscilloscope to measure these output waveforms , the related output frequencies look right (meet the desired setting values) . The output LVCMOS clocks' amplitude are not right and the output clock wings of LVDS are not right.
Maybe I missed some critical configuration in somewhere. Would you help check it and give me the correct configuration values?
Best Regards,
Aaron Sun
The related configurations and measured waveforms attached.
R70 0x00460000 R69 0x00450000 R68 0x00440000 R67 0x00430020 R66 0x00420200 R65 0x00410F34 R64 0x0040000D R63 0x003F0210 R62 0x003E4209 R61 0x003D1500 R60 0x003C0018 R59 0x003B103F R58 0x003A0008 R57 0x00390A65 R56 0x00380405 R55 0x00370005 R54 0x00360000 R53 0x00358000 R52 0x00340008 R51 0x00330A65 R50 0x00320415 R49 0x00310004 R48 0x00300000 R47 0x002F8000 R46 0x002E0008 R45 0x002D0A65 R44 0x002C0415 R43 0x002B0005 R42 0x002A0000 R41 0x00298000 R40 0x00280008 R39 0x00270A65 R38 0x00260405 R37 0x00250005 R36 0x00240000 R35 0x00238000 R34 0x00220050 R33 0x00210007 R32 0x00200000 R31 0x001F1E72 R30 0x001E5141 R29 0x001D400A R28 0x001C0000 R27 0x001B7C00 R26 0x001A0718 R25 0x00190000 R24 0x00180601 R23 0x00170000 R22 0x00160000 R21 0x00150000 R20 0x00140000 R19 0x00130000 R18 0x00120000 R17 0x001126C4 R16 0x0010921F R15 0x000FA037 R14 0x000E0000 R13 0x000D0000 R12 0x000C0000 R11 0x000B0000 R10 0x000A0000 R9 0x00090000 R8 0x00080000 R7 0x00070C0F R6 0x00060000 R5 0x00050028 R4 0x00040055 R3 0x00030780 R2 0x00020053 R1 0x00016822 R0 0x00001000
