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DAC37J82EVM: TSW41J56

Part Number: DAC37J82EVM

HI,

we want to lock PLL2 in our evb.

our parameters in the following screenshots:

oscin- 100 MHz( extrnal clock mode).

what is the problem?

thanks

PLL2 only.

clock out from lmk(DAC Data rate)- 480 MHz( VCO 0- 2400 MHz).

  

  • Hi,

    In first screenshot, in PLL2 phase detector box, the Charge Pump Tri-state is enabled. Disable this.

    Thanks,

    Eben.

  • HI,

    I did it and the problem was solved when I uploaded the hex register values.

    thanks.

    HexRegisterValues.txt
    R0 (INIT)	0x000090
    R0	0x000010
    R2	0x000200
    R3	0x000306
    R4	0x0004D0
    R5	0x00055B
    R6	0x000600
    R12	0x000C51
    R13	0x000D04
    R256	0x010065
    R257	0x010155
    R258	0x010255
    R259	0x010301
    R260	0x010422
    R261	0x010500
    R262	0x0106F0
    R263	0x010716
    R264	0x010865
    R265	0x010955
    R266	0x010A55
    R267	0x010B01
    R268	0x010C22
    R269	0x010D00
    R270	0x010EF0
    R271	0x010F66
    R272	0x01100A
    R273	0x011155
    R274	0x011255
    R275	0x011300
    R276	0x011402
    R277	0x011500
    R278	0x0116F9
    R279	0x011701
    R280	0x011865
    R281	0x011955
    R282	0x011A55
    R283	0x011B01
    R284	0x011C22
    R285	0x011D00
    R286	0x011E70
    R287	0x011F66
    R288	0x012065
    R289	0x012155
    R290	0x012255
    R291	0x012301
    R292	0x012422
    R293	0x012500
    R294	0x012670
    R295	0x012711
    R296	0x012806
    R297	0x012955
    R298	0x012A55
    R299	0x012B00
    R300	0x012C02
    R301	0x012D00
    R302	0x012EF9
    R303	0x012F00
    R304	0x013065
    R305	0x013155
    R306	0x013255
    R307	0x013301
    R308	0x013402
    R309	0x013500
    R310	0x013671
    R311	0x013701
    R312	0x013810
    R313	0x013902
    R314	0x013A00
    R315	0x013BF0
    R316	0x013C00
    R317	0x013D08
    R318	0x013E00
    R319	0x013F00
    R320	0x014088
    R321	0x014100
    R322	0x014200
    R323	0x014303
    R324	0x0144FF
    R325	0x01457F
    R326	0x014601
    R327	0x01471C
    R328	0x01480B
    R329	0x014933
    R330	0x014A02
    R331	0x014BE2
    R332	0x014C00
    R333	0x014D00
    R334	0x014EC0
    R335	0x014F7F
    R336	0x015000
    R337	0x015102
    R338	0x015200
    R339	0x015300
    R340	0x01540A
    R341	0x015500
    R342	0x01567D
    R343	0x015700
    R344	0x015896
    R345	0x015902
    R346	0x015A71
    R347	0x015BDB
    R348	0x015C20
    R349	0x015D00
    R350	0x015E00
    R351	0x015F0B
    R352	0x016000
    R353	0x016101
    R354	0x016240
    R355	0x016300
    R356	0x016400
    R357	0x01650D
    R369	0x0171AA
    R370	0x017202
    R380	0x017C15
    R381	0x017D33
    R358	0x016600
    R359	0x016700
    R360	0x01680C
    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