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LMK04828: sysref输出值错误问题

Part Number: LMK04828

我在配置04828芯片,使用clk1作为输入,需要输出device clk 240M,sdclk输出1.875M,确定device输出时钟正常,但是sdclk输出不正确,下面是电路图和我用TICS生成的寄存器配置表,请帮我分析下原因,给我点配置上的建议。在电路上使用上下拉禁用了SYSNC/SYSREFREQ引脚。

R0 (INIT)	0x000090
R0	0x000000
R2	0x000200
R3	0x000306
R4	0x0004D0
R5	0x00055B
R6	0x000600
R12	0x000C51
R13	0x000D04
R256	0x01000A
R257	0x010155
R258	0x010255
R259	0x010300
R260	0x010422
R261	0x010500
R262	0x0106B0
R263	0x010711
R264	0x01080A
R265	0x010955
R266	0x010A55
R267	0x010B00
R268	0x010C02
R269	0x010D00
R270	0x010EB0
R271	0x010F11
R272	0x011005
R273	0x011155
R274	0x011255
R275	0x011300
R276	0x011422
R277	0x011510
R278	0x0116B0
R279	0x011711
R280	0x011805
R281	0x011955
R282	0x011A55
R283	0x011B00
R284	0x011C22
R285	0x011D00
R286	0x011EB0
R287	0x011F11
R288	0x01200A
R289	0x012155
R290	0x012255
R291	0x012300
R292	0x012422
R293	0x012500
R294	0x0126B0
R295	0x012711
R296	0x01280A
R297	0x012955
R298	0x012A55
R299	0x012B00
R300	0x012C22
R301	0x012D00
R302	0x012EB0
R303	0x012F11
R304	0x01300A
R305	0x013155
R306	0x013255
R307	0x013300
R308	0x013402
R309	0x013500
R310	0x0136B0
R311	0x013711
R312	0x013806
R313	0x013902
R314	0x013A05
R315	0x013B00
R316	0x013C00
R317	0x013D00
R318	0x013E03
R319	0x013F00
R320	0x014000
R321	0x014100
R322	0x014200
R323	0x014300
R324	0x014480
R325	0x01457F
R326	0x014610
R327	0x01471B
R328	0x014802
R329	0x014942
R330	0x014A02
R331	0x014B02
R332	0x014C00
R333	0x014D00
R334	0x014EC0
R335	0x014F7F
R336	0x015000
R337	0x015102
R338	0x015200
R339	0x015300
R340	0x01547A
R341	0x015500
R342	0x015601
R343	0x015700
R344	0x015896
R345	0x015900
R346	0x015A01
R347	0x015BDA
R348	0x015C20
R349	0x015D00
R350	0x015E00
R351	0x015F0B
R352	0x016000
R353	0x016101
R354	0x0162A4
R355	0x016300
R356	0x016400
R357	0x01650A
R369	0x0171AA
R370	0x017202
R380	0x017C15
R381	0x017D33
R358	0x016600
R359	0x016700
R360	0x016804
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