Tool/software:
Hi,
I have a design with the LMK03328 which has an LVDS 20MHz primary input and a 10MHz crystal secondary input.
I have found that the "loss of signal" bits do not seem to do much, they are always 0 - the reference input detector is enabled and the device produces an output clock.
My program writes the registers from the hex file except for the following: 12, 14, 15, 17, 19, 20, 21, 22, 23, 24, 25, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 117, 118, 119, 120, 131, 132, 133, 134
(I believe these are all read only or undefined)
After setting the registers I toggle RESETN_SW in DEV_CTL (R12) to recalibrate the VCO etc. then poll R13 & R18. I can see the CAL1 bit in R13 go high and then low, but all other bits are 0, even if I disconnect the LVDS clock.
Does anyone have an idea?
Thanks.
R0 0x0010 R1 0x010B R2 0x0232 R3 0x0302 R4 0x0401 R5 0x0500 R6 0x0600 R7 0x0700 R8 0x0883 R9 0x0940 R10 0x0AA8 R11 0x0B00 R12 0x0CDF R13 0x0DC0 R14 0x0E00 R15 0x0F00 R16 0x1000 R17 0x1100 R18 0x1210 R19 0x1300 R20 0x14FF R21 0x15FF R22 0x16FF R23 0x1702 R24 0x1800 R25 0x19F1 R26 0x1A30 R27 0x1B00 R28 0x1C10 R29 0x1D14 R30 0x1E20 R31 0x1F20 R32 0x2020 R33 0x2106 R34 0x2220 R35 0x2320 R36 0x248B R37 0x2510 R38 0x2609 R39 0x2710 R40 0x2853 R41 0x2910 R42 0x2A29 R43 0x2B00 R44 0x2C05 R45 0x2D0A R46 0x2E00 R47 0x2F00 R48 0x30FF R49 0x3100 R50 0x3290 R51 0x3303 R52 0x3400 R53 0x3500 R54 0x3600 R55 0x3700 R56 0x3816 R57 0x3908 R58 0x3A00 R59 0x3BFC R60 0x3C00 R61 0x3D00 R62 0x3E00 R63 0x3F00 R64 0x4000 R65 0x4101 R66 0x420C R67 0x4320 R68 0x4401 R69 0x4504 R70 0x4607 R71 0x471F R72 0x4818 R73 0x4900 R74 0x4AF0 R75 0x4B00 R76 0x4C00 R77 0x4D00 R78 0x4E00 R79 0x4F00 R80 0x5000 R81 0x510C R82 0x5220 R83 0x5301 R84 0x5404 R85 0x5507 R86 0x5600 R87 0x5700 R88 0x5800 R89 0x59DE R90 0x5A01 R91 0x5B18 R92 0x5C01 R93 0x5D4B R94 0x5E01 R95 0x5F86 R96 0x6001 R97 0x61BE R98 0x6201 R99 0x63FE R100 0x6402 R101 0x6547 R102 0x6602 R103 0x679E R104 0x6800 R105 0x6900 R106 0x6A05 R107 0x6B0F R108 0x6C0F R109 0x6D0F R110 0x6E0F R111 0x6F00 R112 0x7000 R113 0x7100 R114 0x7200 R115 0x7308 R116 0x7419 R117 0x7580 R118 0x7607 R119 0x7705 R120 0x7800 R121 0x790F R122 0x7A0F R123 0x7B0F R124 0x7C0F R125 0x7D00 R126 0x7E00 R127 0x7F00 R128 0x8000 R129 0x8108 R130 0x8219 R131 0x8300 R132 0x8407 R133 0x8505 R134 0x8600 R135 0x8700 R136 0x8800 R137 0x8910 R138 0x8A00 R139 0x8B00 R140 0x8C00 R141 0x8D00 R142 0x8E00 R143 0x8F00 R144 0x9000 R145 0x9100 R169 0xA940 R172 0xAC24 R173 0xAD00