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Original question:

LMK5B12212EVM: CH11

LMK5B12212EVM: LMK5B12212 EEPROM programming sequency

Eddie Chou
Expert 6190 points
Part Number: LMK5B12212EVM
Other Parts Discussed in Thread: LMK5B12212, LMK5B33216

Tool/software:

Hi Team, 

My customer want to config LMK5B12212 EVM  CH0 ~ CH11 312.5MHz with LVDS output. 

They use TICS-Pro and able to generate 312.5MHz clock output, but meet problem with EEPROM programming. below is tcs file. 

 1033.e2e_LMK5B12212_XO=48MHz_OUT=312.5M_2025-06-25.tcs

Customer try programming register setting to EEPROM but output clock disappeared after they reboot the power. 

 

The questions:

1. Any EEPROM programming sequency for LMK5B1221?

2. Do we have LMK5B1221EVM user's guide?

3. if customer use ROM page 6 mode, what is clock output format? (LVDS?...

Thanks & Regards

Eddie

  • 0
    TI__Genius 16565 points

    Hi Eddie,

    #1 The EEPROM programming sequence (REGCOMMIT or SRAM method) can be found in TICS Pro or the datasheet:

    Datasheet sections:

    #2

    The LMK5B12212 User's Guide is currently in progress.

    #3

    You can get the ROM page tcs file from the CLOCK PERF DATA site. There are configs for LMK5B33216 which can be loaded into the LMK5B12212 TICS Pro profile.

    https://www.ti.com/tool/download/CLOCK-PERFDATA-DESIGN/

    The format is HSDS 600 mV, VCM = 0.8 V.

    Regards,

    Jennifer

  • 0 in reply to Jennifer Bernal
    TI__Expert 6190 points

    Hi Jennifer, 

    Customer follow our EEPROM programming process suggestion below, but clock still disappeared after press PWN bottom, 

    the clock come back after press "program EEPROM " again. is any process we missed?

    also, customer customer try synchronize two LMK5B1221EVM with SYNC pulse through GPIO. (wired together)

    they can find one LMK5B1221EVM output clocks is synchronized within one LMK5B1221EVM but clock not synchronized with another EVM. 

    Any reason might cause devices not synchronized?

    Thanks & Regards

    Eddie

  • 0 in reply to Eddie Chou
    TI__Genius 16565 points

    Hi Eddie,

    Can customer perform these steps?

    1. Load .tcs file.
    2. Click Write All Registers button in the toolbar.
    3. Click Soft-reset chip and SYNC.
    4. Go to Status page. Click Read Status button.
    5. Send me screenshot.

    Also, please send me a screenshot of the current TICS Pro version (Help --> About --> About TICS Pro).

    Additionally, please know that the "REGCOMMIT Sequence" and "SRAM Sequence" only generate the instructions as a .txt file. In your picture, you do not need to click #2 and #3 as those only generate the instructions. The "Program EEPROM" button  programs the EEPROM based on the current register setting on the device.

    Regards,

    Jennifer

  • 0 in reply to Jennifer Bernal
    TI__Expert 6190 points

    Hi Jennifer, 

    I borrow EVM back to TI office and did some experiment below, 

    1. Below is my GPIO SW setting, 

    2. Power on EVM with +12V voltage input, I can get 156.25MHz output from OUT_0 and OUT_1, OUT_11 ....

    3. RAW Registers page , press "Read All Registers" and Export Register Map"

    Fullscreen 6170.default.txt Download 
    R0	0x000010
R1	0x00010B
R2	0x000241
R3	0x000301
R16	0x00104D
R18	0x001219
R19	0x001300
R20	0x001400
R21	0x0015A1
R22	0x001630
R23	0x001700
R24	0x001806
R25	0x001900
R26	0x001A00
R27	0x001B00
R28	0x001C00
R29	0x001D00
R30	0x001E00
R31	0x001F00
R32	0x002000
R33	0x00210C
R36	0x0024D0
R37	0x00250C
R40	0x0028FF
R41	0x002900
R44	0x002C00
R45	0x002D0F
R48	0x0030DC
R49	0x003102
R50	0x003200
R52	0x003400
R53	0x003504
R54	0x003600
R55	0x003700
R56	0x003800
R57	0x00390E
R58	0x003A0E
R59	0x003B0C
R60	0x003C17
R61	0x003D00
R62	0x003E00
R63	0x003F08
R64	0x00400D
R67	0x004301
R68	0x004401
R70	0x004600
R75	0x004B1A
R78	0x004E00
R79	0x004F0E
R80	0x00500E
R83	0x0053AA
R84	0x005400
R85	0x005500
R86	0x005636
R87	0x005700
R88	0x005800
R89	0x005936
R96	0x006000
R97	0x006100
R98	0x006200
R99	0x00632E
R100	0x006400
R101	0x006500
R102	0x00662E
R109	0x006D00
R110	0x006E0E
R111	0x006F00
R112	0x007014
R113	0x007100
R114	0x00720E
R115	0x007300
R116	0x007414
R125	0x007D00
R126	0x007E01
R127	0x007F96
R128	0x0080E7
R129	0x008100
R130	0x008203
R131	0x00830D
R132	0x008441
R133	0x008500
R134	0x008601
R135	0x008796
R136	0x0088E7
R137	0x008900
R138	0x008A03
R139	0x008B0D
R140	0x008C41
R157	0x009D0A
R158	0x009E0A
R161	0x00A100
R162	0x00A200
R163	0x00A300
R164	0x00A400
R170	0x00AAD8
R171	0x00AB00
R172	0x00ACD8
R173	0x00AD00
R174	0x00AE00
R175	0x00AFA5
R176	0x00B014
R180	0x00B400
R191	0x00BF00
R192	0x00C000
R193	0x00C100
R194	0x00C200
R195	0x00C300
R196	0x00C400
R197	0x00C500
R198	0x00C600
R199	0x00C700
R200	0x00C800
R201	0x00C900
R202	0x00CA00
R203	0x00CB00
R204	0x00CC00
R205	0x00CD00
R206	0x00CE00
R207	0x00CF00
R208	0x00D000
R247	0x00F755
R397	0x018D55
R523	0x020B11
R525	0x020D00
R526	0x020E01
R527	0x020F00
R528	0x021080
R529	0x02110A
R530	0x021200
R531	0x021364
R532	0x021400
R533	0x021503
R534	0x02160D
R535	0x021740
R536	0x021800
R537	0x021924
R538	0x021A9F
R539	0x021B00
R540	0x021C00
R541	0x021D98
R542	0x021E96
R543	0x021F80
R544	0x022000
R545	0x022100
R546	0x022200
R547	0x022355
R548	0x022456
R549	0x0225CF
R550	0x022600
R551	0x022700
R552	0x022800
R553	0x022900
R554	0x022A00
R555	0x022B00
R556	0x022C00
R557	0x022D00
R558	0x022E00
R559	0x022F00
R560	0x023000
R561	0x023103
R562	0x023200
R563	0x023300
R564	0x023400
R565	0x0235C8
R566	0x023607
R567	0x023700
R568	0x023800
R569	0x023900
R570	0x023A0D
R571	0x023B0B
R572	0x023C0D
R573	0x023D08
R574	0x023E0A
R575	0x023F08
R576	0x02400A
R577	0x024108
R578	0x024205
R579	0x02430D
R580	0x024405
R581	0x024511
R582	0x02460A
R583	0x02470E
R584	0x02482B
R585	0x024930
R586	0x024A02
R587	0x024B6D
R588	0x024C01
R589	0x024D85
R590	0x024E03
R591	0x024F09
R592	0x025001
R593	0x025192
R594	0x02520D
R595	0x025342
R596	0x025401
R597	0x025540
R598	0x025600
R599	0x02570A
R600	0x025814
R601	0x025908
R602	0x025A08
R603	0x025B1E
R604	0x025C20
R605	0x025D07
R606	0x025E3F
R607	0x025F0F
R608	0x026000
R609	0x026100
R610	0x026218
R611	0x026306
R614	0x026600
R615	0x026700
R616	0x026800
R617	0x026900
R618	0x026A64
R619	0x026B00
R620	0x026C00
R621	0x026D00
R622	0x026E00
R623	0x026F00
R624	0x027000
R625	0x027100
R626	0x027200
R627	0x027300
R628	0x027400
R629	0x027500
R630	0x027600
R631	0x027700
R632	0x027807
R633	0x0279AE
R634	0x027A14
R635	0x027B7A
R636	0x027CE1
R637	0x027D47
R638	0x027EAE
R639	0x027FFF
R640	0x0280FF
R641	0x0281FF
R642	0x0282FF
R643	0x0283FF
R644	0x028400
R645	0x028502
R646	0x028600
R647	0x028700
R648	0x028800
R649	0x028900
R650	0x028A00
R651	0x028B00
R652	0x028C00
R653	0x028D00
R654	0x028E00
R655	0x028F00
R656	0x029000
R657	0x029100
R658	0x029200
R659	0x029300
R660	0x029401
R661	0x029500
R662	0x029601
R669	0x029D01
R670	0x029E01
R746	0x02EA01
R773	0x030506
R777	0x030922
R778	0x030A09
R779	0x030B07
R780	0x030C02
R781	0x030D02
R782	0x030EFF
R783	0x030F00
R784	0x03100A
R785	0x03110C
R786	0x031200
R787	0x03133D
R788	0x031412
R789	0x031500
R790	0x031600
R791	0x031780
R792	0x031800
R793	0x031900
R794	0x031A07
R795	0x031B00
R796	0x031C00
R797	0x031D00
R798	0x031E00
R799	0x031F00
R803	0x032340
R804	0x032422
R805	0x032500
R808	0x032800
R813	0x032DC0
R818	0x033200
R819	0x033301
R840	0x034822
R841	0x034915
R842	0x034A01
R843	0x034B0D
R844	0x034C0D
R845	0x034DFF
R846	0x034E00
R847	0x034F0A
R848	0x03501C
R849	0x035100
R850	0x03521A
R851	0x03534C
R852	0x03540A
R853	0x0355AA
R854	0x0356AA
R855	0x0357AA
R856	0x0358AB
R857	0x035904
R858	0x035A0A
R859	0x035BAA
R860	0x035CAA
R861	0x035DAA
R862	0x035EAB
R863	0x035F00
R864	0x0360FB
R865	0x0361BF
R866	0x036204
R872	0x036800
R882	0x037200
R961	0x03C172
R962	0x03C200
R963	0x03C328
R964	0x03C472
R965	0x03C500
R966	0x03C614
R967	0x03C700
R968	0x03C800
R969	0x03C933
R971	0x03CBC0
R972	0x03CC00
R973	0x03CD3C
R974	0x03CE00
R975	0x03CF00
R976	0x03D000
R977	0x03D100
R978	0x03D200
R979	0x03D304
R980	0x03D400
R981	0x03D504
R982	0x03D600
R983	0x03D705
R984	0x03D800
R985	0x03D900
R986	0x03DA00
R987	0x03DBFA
R988	0x03DC00
R989	0x03DD00
R990	0x03DE00
R991	0x03DF00
R1024	0x040072
R1025	0x040103
R1026	0x04020F
R1027	0x040308
R1028	0x040400
R1029	0x040500
R1030	0x040600
R1031	0x040704
R1056	0x042072
R1057	0x042103
R1058	0x04220F
R1059	0x042308
R1060	0x042400
R1061	0x042500
R1062	0x042600
R1063	0x042704
R1089	0x044172
R1090	0x04420C
R1091	0x044372
R1092	0x04440C
R1093	0x044531
R1094	0x044623
R1095	0x044700
R1096	0x044800
R1097	0x044900
R1098	0x044A04
R1099	0x044B00
R1100	0x044C05
R1101	0x044D00
R1102	0x044E00
R1103	0x044F00
R1104	0x0450FA
R1105	0x045100
R1106	0x045200
R1107	0x045300
R1108	0x045400
R1121	0x046172
R1122	0x04620C
R1123	0x046372
R1124	0x04640C
R1125	0x046531
R1126	0x046623
R1127	0x046700
R1128	0x046800
R1129	0x046900
R1130	0x046A04
R1131	0x046B00
R1132	0x046C05
R1133	0x046D00
R1134	0x046E00
R1135	0x046F00
R1136	0x0470FA
R1137	0x047100
R1138	0x047200
R1139	0x047300
R1140	0x047400
R1153	0x048172
R1154	0x04820C
R1155	0x048372
R1156	0x04840C
R1157	0x048531
R1158	0x048623
R1159	0x048700
R1160	0x048800
R1161	0x048900
R1162	0x048A04
R1163	0x048B00
R1164	0x048C05
R1165	0x048D00
R1166	0x048E00
R1167	0x048F00
R1168	0x0490FA
R1169	0x049100
R1170	0x049200
R1171	0x049300
R1172	0x049400
R1185	0x04A172
R1186	0x04A20C
R1187	0x04A372
R1188	0x04A40C
R1189	0x04A531
R1190	0x04A623
R1191	0x04A700
R1192	0x04A800
R1193	0x04A900
R1194	0x04AA04
R1195	0x04AB00
R1196	0x04AC05
R1197	0x04AD00
R1198	0x04AE00
R1199	0x04AF00
R1200	0x04B0FA
R1201	0x04B100
R1202	0x04B200
R1203	0x04B300
R1204	0x04B400
R1217	0x04C172
R1218	0x04C20C
R1219	0x04C372
R1220	0x04C40C
R1222	0x04C623
R1248	0x04E000
R1280	0x050000

    4. Load " LMK5B12212.tcs" 

    6170.LMK5B12212.tcs

    5. output clock change frequency to 312.5MHz.

    6. "Write All Regs"  -> "Soft-reset chip and SYNC" -> Status page  " Read Status"

    7. Export Register Map

    Fullscreen Load TCS export.txt Download 
    R0	0x000010
R1	0x00010B
R2	0x000241
R3	0x000301
R16	0x00104D
R18	0x001219
R19	0x001300
R20	0x001480
R21	0x0015A1
R22	0x001630
R23	0x001700
R24	0x001806
R25	0x001901
R26	0x001A00
R27	0x001B00
R28	0x001C00
R29	0x001D00
R30	0x001E00
R31	0x001F00
R32	0x002000
R33	0x00210C
R36	0x0024D0
R37	0x002500
R40	0x002820
R41	0x002900
R44	0x002C00
R45	0x002D0F
R48	0x0030D0
R49	0x003102
R50	0x003200
R52	0x003400
R53	0x003504
R54	0x003600
R55	0x00375F
R56	0x003800
R57	0x00390C
R58	0x003A0F
R59	0x003B0E
R60	0x003C14
R61	0x003D00
R62	0x003E00
R63	0x003F08
R64	0x004009
R67	0x004303
R68	0x004403
R70	0x004600
R75	0x004B1A
R78	0x004E00
R79	0x004F2E
R80	0x00502E
R83	0x0053AA
R84	0x005400
R85	0x005500
R86	0x005636
R87	0x005700
R88	0x005800
R89	0x005936
R96	0x006000
R97	0x006100
R98	0x006200
R99	0x00632E
R100	0x006400
R101	0x006500
R102	0x00662E
R109	0x006D00
R110	0x006E6F
R111	0x006F00
R112	0x007077
R113	0x007100
R114	0x00726F
R115	0x007300
R116	0x007477
R125	0x007D00
R126	0x007E0F
R127	0x007FE5
R128	0x008003
R129	0x008100
R130	0x00821E
R131	0x008384
R132	0x008481
R133	0x008500
R134	0x00860F
R135	0x0087E5
R136	0x008803
R137	0x008900
R138	0x008A1E
R139	0x008B84
R140	0x008C81
R157	0x009D0A
R158	0x009E0A
R161	0x00A100
R162	0x00A200
R163	0x00A300
R164	0x00A400
R170	0x00AA00
R171	0x00AB00
R172	0x00AC00
R173	0x00AD00
R174	0x00AE00
R175	0x00AF14
R176	0x00B01E
R180	0x00B400
R191	0x00BF00
R192	0x00C000
R193	0x00C100
R194	0x00C200
R195	0x00C300
R196	0x00C400
R197	0x00C500
R198	0x00C600
R199	0x00C700
R200	0x00C800
R201	0x00C900
R202	0x00CA00
R203	0x00CB00
R204	0x00CC00
R205	0x00CD00
R206	0x00CE00
R207	0x00CF00
R208	0x00D000
R247	0x00F755
R397	0x018D55
R523	0x020B11
R525	0x020D00
R526	0x020E01
R527	0x020F00
R528	0x021080
R529	0x02110A
R530	0x021200
R531	0x021364
R532	0x021400
R533	0x021503
R534	0x02160D
R535	0x021740
R536	0x021800
R537	0x021924
R538	0x021A9F
R539	0x021B00
R540	0x021C00
R541	0x021D98
R542	0x021E96
R543	0x021F80
R544	0x022000
R545	0x022100
R546	0x022200
R547	0x0223C5
R548	0x022456
R549	0x0225CF
R550	0x022600
R551	0x022700
R552	0x022800
R553	0x022900
R554	0x022A00
R555	0x022B00
R556	0x022C00
R557	0x022D00
R558	0x022E00
R559	0x022F00
R560	0x023000
R561	0x023103
R562	0x023200
R563	0x023300
R564	0x023400
R565	0x0235C8
R566	0x023607
R567	0x023700
R568	0x023800
R569	0x023900
R570	0x023A0D
R571	0x023B11
R572	0x023C0D
R573	0x023D08
R574	0x023E0A
R575	0x023F04
R576	0x02400A
R577	0x024108
R578	0x024205
R579	0x024307
R580	0x024405
R581	0x024511
R582	0x02460A
R583	0x024702
R584	0x024828
R585	0x02496D
R586	0x024A02
R587	0x024B6D
R588	0x024C01
R589	0x024D85
R590	0x024E03
R591	0x024FCA
R592	0x025001
R593	0x025192
R594	0x025219
R595	0x025342
R596	0x025401
R597	0x025540
R598	0x025600
R599	0x02570A
R600	0x025814
R601	0x025908
R602	0x025A08
R603	0x025B1D
R604	0x025C20
R605	0x025D07
R606	0x025E3F
R607	0x025F0F
R608	0x026000
R609	0x026100
R610	0x026218
R611	0x026304
R614	0x026600
R615	0x026700
R616	0x026800
R617	0x026900
R618	0x026A64
R619	0x026B00
R620	0x026C00
R621	0x026D00
R622	0x026E00
R623	0x026F00
R624	0x027000
R625	0x027100
R626	0x027200
R627	0x027300
R628	0x027400
R629	0x027500
R630	0x027600
R631	0x027700
R632	0x027807
R633	0x0279AE
R634	0x027A14
R635	0x027B7A
R636	0x027CE1
R637	0x027D47
R638	0x027EAE
R639	0x027FFF
R640	0x0280FF
R641	0x0281FF
R642	0x0282FF
R643	0x0283FF
R644	0x028400
R645	0x028503
R646	0x028600
R647	0x028700
R648	0x028800
R649	0x028900
R650	0x028A00
R651	0x028B00
R652	0x028C00
R653	0x028D00
R654	0x028E00
R655	0x028F00
R656	0x029000
R657	0x029100
R658	0x029200
R659	0x029300
R660	0x029401
R661	0x029500
R662	0x029601
R669	0x029D01
R670	0x029E01
R746	0x02EA00
R773	0x030506
R777	0x030922
R778	0x030A09
R779	0x030B07
R780	0x030C02
R781	0x030D02
R782	0x030EFF
R783	0x030F00
R784	0x03100A
R785	0x031102
R786	0x031200
R787	0x031336
R788	0x031412
R789	0x031500
R790	0x031600
R791	0x031780
R792	0x031800
R793	0x031900
R794	0x031A06
R795	0x031B00
R796	0x031C00
R797	0x031D00
R798	0x031E00
R799	0x031F00
R803	0x032340
R804	0x032427
R805	0x032500
R808	0x032800
R813	0x032DC0
R818	0x033200
R819	0x033300
R840	0x034822
R841	0x034915
R842	0x034A01
R843	0x034B0D
R844	0x034C0D
R845	0x034DFF
R846	0x034E00
R847	0x034F0A
R848	0x03501C
R849	0x035100
R850	0x03521A
R851	0x03534C
R852	0x03540A
R853	0x0355AA
R854	0x0356AA
R855	0x0357AA
R856	0x0358AB
R857	0x035907
R858	0x035A0A
R859	0x035BAA
R860	0x035CAA
R861	0x035DAA
R862	0x035EAB
R863	0x035F00
R864	0x0360FB
R865	0x0361BF
R866	0x036204
R872	0x036800
R882	0x037200
R961	0x03C160
R962	0x03C200
R963	0x03C328
R964	0x03C460
R965	0x03C500
R966	0x03C614
R967	0x03C700
R968	0x03C800
R969	0x03C933
R971	0x03CBC0
R972	0x03CC00
R973	0x03CD3C
R974	0x03CE00
R975	0x03CF00
R976	0x03D000
R977	0x03D100
R978	0x03D200
R979	0x03D302
R980	0x03D400
R981	0x03D502
R982	0x03D600
R983	0x03D705
R984	0x03D800
R985	0x03D900
R986	0x03DA00
R987	0x03DBFA
R988	0x03DC00
R989	0x03DD00
R990	0x03DE00
R991	0x03DF00
R1024	0x040060
R1025	0x040103
R1026	0x04020F
R1027	0x040308
R1028	0x040400
R1029	0x040500
R1030	0x040600
R1031	0x040702
R1056	0x042060
R1057	0x042103
R1058	0x04220F
R1059	0x042308
R1060	0x042400
R1061	0x042500
R1062	0x042600
R1063	0x042702
R1089	0x044160
R1090	0x04420C
R1091	0x044360
R1092	0x04440C
R1093	0x044531
R1094	0x044623
R1095	0x044700
R1096	0x044800
R1097	0x044900
R1098	0x044A02
R1099	0x044B00
R1100	0x044C05
R1101	0x044D00
R1102	0x044E00
R1103	0x044F00
R1104	0x0450FA
R1105	0x045100
R1106	0x045200
R1107	0x045300
R1108	0x045410
R1121	0x046160
R1122	0x04620C
R1123	0x046360
R1124	0x04640C
R1125	0x046531
R1126	0x046623
R1127	0x046700
R1128	0x046800
R1129	0x046900
R1130	0x046A02
R1131	0x046B00
R1132	0x046C05
R1133	0x046D00
R1134	0x046E00
R1135	0x046F00
R1136	0x0470FA
R1137	0x047100
R1138	0x047200
R1139	0x047300
R1140	0x047410
R1153	0x048160
R1154	0x04820C
R1155	0x048360
R1156	0x04840C
R1157	0x048531
R1158	0x048623
R1159	0x048700
R1160	0x048800
R1161	0x048900
R1162	0x048A02
R1163	0x048B00
R1164	0x048C05
R1165	0x048D00
R1166	0x048E00
R1167	0x048F00
R1168	0x0490FA
R1169	0x049100
R1170	0x049200
R1171	0x049300
R1172	0x049410
R1185	0x04A160
R1186	0x04A20C
R1187	0x04A360
R1188	0x04A40C
R1189	0x04A531
R1190	0x04A623
R1191	0x04A700
R1192	0x04A800
R1193	0x04A900
R1194	0x04AA02
R1195	0x04AB00
R1196	0x04AC05
R1197	0x04AD00
R1198	0x04AE00
R1199	0x04AF00
R1200	0x04B0FA
R1201	0x04B100
R1202	0x04B200
R1203	0x04B300
R1204	0x04B410
R1217	0x04C10E
R1218	0x04C20A
R1219	0x04C30E
R1220	0x04C40A
R1222	0x04C623
R1248	0x04E000
R1280	0x050000

    8. below is my TICS-Pro revision. 

    9. Press PDN bottom, clock change back to 156.25MHz. 

    Please let us know if missed any steps  above,

     Thanks.

     Eddie

  • 0 in reply to Eddie Chou
    TI__Genius 16565 points

    Hi Eddie,

    Thank you for such detailed steps. That was very helpful.

    OK you missed a step. You need to program the EEPROM before PDN.

    Perform the same steps from  #1 to #6. Confirm output is 312.5 MHz.

    Then:

    7. In the EEPROM page, click on "Enable EEPROM overlay"

    8. In the EEPROM page, click "Program EEPROM".

    9. Press PDN. What do you see?

    Regards,

    Jennifer

  • 0 in reply to Jennifer Bernal
    TI__Expert 6190 points

    Hi Jennifer, 

    Yes, I did check "Enable EEPROM overlay", below register shows R20 -> 0x001480. 

    Read EE status Registers 

    Press PDN, waveform still disappeared. Do we need modify EVM HW configuration?

    Thanks & Regards

    Eddie

  • 0 in reply to Eddie Chou
    TI__Expert 6190 points

    Also If press PDN bottom and "Read all Regs", R20 -> 0x001480. 

    Thanks & Regards

    Eddie 

  • 0 in reply to Eddie Chou
    TI__Expert 6190 points

    Hi Jennifer, 

    I did more experiment in TI office, when I pressed PDN bottom there is no clock output, and Read All Register, 

    R21 is 0x0015E1 at default. if I change bit[6] = "0" , clock will output 312.5MHz. 

     

    is SYNC_EN must set to "1"? 

    Thanks & Regards

    Eddie

  • 0 in reply to Eddie Chou
    TI__Genius 16565 points

    Hi Eddie,

    I was previously testing with the LMK5B33216 TICS Pro profile which is why I could get an output.

    Today, I tried with LMK5B12212 and can reproduce your results: no output after "Program EEPROM".

    • I am looking into the TICS Pro profile differences between LMK5B12212 and LMK5B33216 (ideally, there should be no programming difference as the two devices are from the same family).
    • Let me get back to you on this.

    Can you please use the LMK5B33216 TICS Pro profile to see if the "Program EEPROM" gives you an output after PDN?

    • The register mapping is the same but the APLL names are different so you can simply load the LMK5B12212.tcs file into LMK5B33216 TICS Pro.
    LMK5B12212 LMK5B33216 VCO type
    APLL1 APLL3 BAW
    APLL2 APLL2 LC
    NONE APLL1 LC

    Regards,

    Jennifer

  • 0 in reply to Jennifer Bernal
    TI__Genius 16565 points

    Closing this thread as it has been taken offline.