This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

LMK04828: feeding LMX2594 for RFSoC4x2 MTS faulty configurations?

Part Number: LMK04828
Other Parts Discussed in Thread: LMX2594

Hey all,

I am trying to insert pl sysref and sysref signals according to my design at vivado in order to achieve MTS.

Somehow I suspect that I am missing here something with the setup of my clocks.

I am attaching the hex of the registers exported from tics pro, as well as the reference manual of the RFSoC4x2, if it would help.

I am pretty new to clock and timing issues, I would appreciate any directions for help for my goal

.

R0 (INIT)	0x000090
R0	0x000010
R2	0x000200
R3	0x000306
R4	0x0004D0
R5	0x00055B
R6	0x000600
R12	0x000C51
R13	0x000D04
R256	0x01006A
R257	0x010155
R258	0x010255
R259	0x010301
R260	0x010422
R261	0x010500
R262	0x010670
R263	0x010733
R264	0x01086A
R265	0x010955
R266	0x010A55
R267	0x010B00
R268	0x010C22
R269	0x010D00
R270	0x010EF0
R271	0x010F30
R272	0x01106A
R273	0x011155
R274	0x011255
R275	0x011301
R276	0x011422
R277	0x011500
R278	0x011673
R279	0x011703
R280	0x01186A
R281	0x011955
R282	0x011A55
R283	0x011B01
R284	0x011C22
R285	0x011D00
R286	0x011E72
R287	0x011F03
R288	0x012074
R289	0x012155
R290	0x012255
R291	0x012301
R292	0x012422
R293	0x012500
R294	0x012670
R295	0x012733
R296	0x01286A
R297	0x012955
R298	0x012A55
R299	0x012B00
R300	0x012C22
R301	0x012D00
R302	0x012EF0
R303	0x012F30
R304	0x01306A
R305	0x013155
R306	0x013255
R307	0x013301
R308	0x013422
R309	0x013500
R310	0x013673
R311	0x013703
R312	0x013800
R313	0x013903
R314	0x013A01
R315	0x013B40
R316	0x013C00
R317	0x013D01
R318	0x013E03
R319	0x013F02
R320	0x014009
R321	0x014100
R322	0x014200
R323	0x014331
R324	0x0144FF
R325	0x01457F
R326	0x01461B
R327	0x01471A
R328	0x014802
R329	0x014942
R330	0x014A06
R331	0x014B26
R332	0x014C00
R333	0x014D00
R334	0x014EC0
R335	0x014F7F
R336	0x015011
R337	0x015102
R338	0x015200
R339	0x015300
R340	0x01547D
R341	0x015500
R342	0x01567D
R343	0x015703
R344	0x0158C0
R345	0x015907
R346	0x015AD0
R347	0x015BDA
R348	0x015C20
R349	0x015D00
R350	0x015E00
R351	0x015F0B
R352	0x016000
R353	0x016119
R354	0x016244
R355	0x016300
R356	0x016400
R357	0x0165A0
R369	0x0171AA
R370	0x017202
R380	0x017C15
R381	0x017D33
R358	0x016600
R359	0x016700
R360	0x0168C0
R361	0x016959
R362	0x016A20
R363	0x016B00
R364	0x016C00
R365	0x016D00
R366	0x016E13
R371	0x017300
R386	0x018200
R387	0x018300
R388	0x018400
R389	0x018500
R392	0x018800
R393	0x018900
R394	0x018A00
R395	0x018B00
R8189	0x1FFD00
R8190	0x1FFE00
R8191	0x1FFF53
R112	0x700000
R111	0x6F0000
R110	0x6E0000
R109	0x6D0000
R108	0x6C0000
R107	0x6B0000
R106	0x6A0000
R105	0x690021
R104	0x680000
R103	0x675555
R102	0x663BEE
R101	0x650011
R100	0x640000
R99	0x63AAAB
R98	0x621044
R97	0x610888
R96	0x600000
R95	0x5F0000
R94	0x5E0000
R93	0x5D0000
R92	0x5C0000
R91	0x5B0000
R90	0x5A0000
R89	0x590000
R88	0x580000
R87	0x570000
R86	0x5653F8
R85	0x558B73
R84	0x540001
R83	0x53FFFF
R82	0x52FFFF
R81	0x510000
R80	0x508000
R79	0x4F0138
R78	0x4E00E5
R77	0x4D0000
R76	0x4C000C
R75	0x4B09C0
R74	0x4A0000
R73	0x4906E4
R72	0x480000
R71	0x470041
R70	0x46C350
R69	0x450000
R68	0x4403E8
R67	0x430000
R66	0x4201F4
R65	0x410000
R64	0x401388
R63	0x3F0000
R62	0x3E0322
R61	0x3D00A8
R60	0x3C0000
R59	0x3B0001
R58	0x3A0001
R57	0x390020
R56	0x380000
R55	0x370000
R54	0x360000
R53	0x350000
R52	0x340820
R51	0x330080
R50	0x320000
R49	0x314180
R48	0x300300
R47	0x2F0300
R46	0x2E07FC
R45	0x2DC0DF
R44	0x2C1F23
R43	0x2B0000
R42	0x2A0000
R41	0x290000
R40	0x280000
R39	0x270001
R38	0x260000
R37	0x250304
R36	0x240140
R35	0x230004
R34	0x220000
R33	0x211E21
R32	0x200393
R31	0x1F43EC
R30	0x1E318C
R29	0x1D318C
R28	0x1C0488
R27	0x1B0002
R26	0x1A0DB0
R25	0x190624
R24	0x18071A
R23	0x17007C
R22	0x160001
R21	0x150401
R20	0x14E048
R19	0x1327B7
R18	0x120064
R17	0x11012C
R16	0x100080
R15	0x0F064F
R14	0x0E1E40
R13	0x0D4000
R12	0x0C5002
R11	0x0B0058
R10	0x0A10D8
R9	0x090604
R8	0x082000
R7	0x0740B2
R6	0x06C802
R5	0x0500C8
R4	0x040C43
R3	0x030642
R2	0x020500
R1	0x010809
R0	0x00241C
RFSoC_RM_A3 (6).pdf

I appreciate any help for directions as well, 

Thank you.

  • Hi Ido,

    While considering the below clocking scheme, the VCXO frequency is 160MHz and to keep the PLL1 lock, PLL1_N divider value should be 200, instead of 2000.

    After changing the PLL1_N value to "200", the PLL1 will lock with 160MHz VCXO. Also keep the CLKin1_TYPE as "Bipolar" for LVDS input, PLL2_N_CAL value same as PLL2_N "192"

    Below are the updated config files for LMK04828 and LMX2594 FYR.

    R0 (INIT)	0x000090
    R0	0x000010
    R2	0x000200
    R3	0x000306
    R4	0x0004D0
    R5	0x00055B
    R6	0x000600
    R12	0x000C51
    R13	0x000D04
    R256	0x01006A
    R257	0x010155
    R258	0x010255
    R259	0x010301
    R260	0x010422
    R261	0x010500
    R262	0x010670
    R263	0x010733
    R264	0x01086A
    R265	0x010955
    R266	0x010A55
    R267	0x010B00
    R268	0x010C22
    R269	0x010D00
    R270	0x010EF0
    R271	0x010F30
    R272	0x01106A
    R273	0x011155
    R274	0x011255
    R275	0x011301
    R276	0x011422
    R277	0x011500
    R278	0x011673
    R279	0x011703
    R280	0x01186A
    R281	0x011955
    R282	0x011A55
    R283	0x011B01
    R284	0x011C22
    R285	0x011D00
    R286	0x011E72
    R287	0x011F03
    R288	0x012074
    R289	0x012155
    R290	0x012255
    R291	0x012301
    R292	0x012422
    R293	0x012500
    R294	0x012670
    R295	0x012733
    R296	0x01286A
    R297	0x012955
    R298	0x012A55
    R299	0x012B00
    R300	0x012C22
    R301	0x012D00
    R302	0x012EF0
    R303	0x012F30
    R304	0x01306A
    R305	0x013155
    R306	0x013255
    R307	0x013301
    R308	0x013422
    R309	0x013500
    R310	0x013673
    R311	0x013703
    R312	0x013800
    R313	0x013903
    R314	0x013A01
    R315	0x013B40
    R316	0x013C00
    R317	0x013D01
    R318	0x013E03
    R319	0x013F02
    R320	0x014009
    R321	0x014100
    R322	0x014200
    R323	0x014331
    R324	0x0144FF
    R325	0x01457F
    R326	0x014619
    R327	0x01471A
    R328	0x014802
    R329	0x014942
    R330	0x014A06
    R331	0x014B26
    R332	0x014C00
    R333	0x014D00
    R334	0x014EC0
    R335	0x014F7F
    R336	0x015011
    R337	0x015102
    R338	0x015200
    R339	0x015300
    R340	0x01547D
    R341	0x015500
    R342	0x01567D
    R343	0x015703
    R344	0x0158C0
    R345	0x015900
    R346	0x015AC8
    R347	0x015BDA
    R348	0x015C20
    R349	0x015D00
    R350	0x015E00
    R351	0x015F0B
    R352	0x016000
    R353	0x016119
    R354	0x016244
    R355	0x016300
    R356	0x016400
    R357	0x0165C0
    R369	0x0171AA
    R370	0x017202
    R380	0x017C15
    R381	0x017D33
    R358	0x016600
    R359	0x016700
    R360	0x0168C0
    R361	0x016959
    R362	0x016A20
    R363	0x016B00
    R364	0x016C00
    R365	0x016D00
    R366	0x016E13
    R371	0x017300
    R386	0x018200
    R387	0x018300
    R388	0x018400
    R389	0x018500
    R392	0x018800
    R393	0x018900
    R394	0x018A00
    R395	0x018B00
    R8189	0x1FFD00
    R8190	0x1FFE00
    R8191	0x1FFF53
    

    R112	0x700000
    R111	0x6F0000
    R110	0x6E0000
    R109	0x6D0000
    R108	0x6C0000
    R107	0x6B0000
    R106	0x6A0000
    R105	0x690021
    R104	0x680000
    R103	0x675555
    R102	0x663BEE
    R101	0x650011
    R100	0x640000
    R99	0x63AAAB
    R98	0x621044
    R97	0x610888
    R96	0x600000
    R95	0x5F0000
    R94	0x5E0000
    R93	0x5D0000
    R92	0x5C0000
    R91	0x5B0000
    R90	0x5A0000
    R89	0x590000
    R88	0x580000
    R87	0x570000
    R86	0x5653F8
    R85	0x558B73
    R84	0x540001
    R83	0x53FFFF
    R82	0x52FFFF
    R81	0x510000
    R80	0x508000
    R79	0x4F0138
    R78	0x4E00E5
    R77	0x4D0000
    R76	0x4C000C
    R75	0x4B0940
    R74	0x4A0000
    R73	0x4906E4
    R72	0x480000
    R71	0x470041
    R70	0x46C350
    R69	0x450000
    R68	0x4403E8
    R67	0x430000
    R66	0x4201F4
    R65	0x410000
    R64	0x401388
    R63	0x3F0000
    R62	0x3E0322
    R61	0x3D00A8
    R60	0x3C0000
    R59	0x3B0001
    R58	0x3A0001
    R57	0x390020
    R56	0x380000
    R55	0x370000
    R54	0x360000
    R53	0x350000
    R52	0x340820
    R51	0x330080
    R50	0x320000
    R49	0x314180
    R48	0x300300
    R47	0x2F0300
    R46	0x2E07FC
    R45	0x2DC0DF
    R44	0x2C1F23
    R43	0x2B0000
    R42	0x2A0000
    R41	0x290000
    R40	0x280000
    R39	0x270001
    R38	0x260000
    R37	0x250304
    R36	0x240040
    R35	0x230004
    R34	0x220000
    R33	0x211E21
    R32	0x200393
    R31	0x1F43EC
    R30	0x1E318C
    R29	0x1D318C
    R28	0x1C0488
    R27	0x1B0002
    R26	0x1A0DB0
    R25	0x190624
    R24	0x18071A
    R23	0x17007C
    R22	0x160001
    R21	0x150401
    R20	0x14E048
    R19	0x1327B7
    R18	0x120064
    R17	0x11012C
    R16	0x100080
    R15	0x0F064F
    R14	0x0E1E40
    R13	0x0D4000
    R12	0x0C5002
    R11	0x0B0018
    R10	0x0A10D8
    R9	0x090604
    R8	0x082000
    R7	0x0740B2
    R6	0x06C802
    R5	0x0500C8
    R4	0x040C43
    R3	0x030642
    R2	0x020500
    R1	0x010809
    R0	0x00249C
    

    Thanks!

    Regards,
    Ajeet Pal