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ACS8525 Datasheet(PDF) 60 Page - Semtech Corporation |
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ACS8525 Datasheet(HTML) 60 Page - Semtech Corporation |
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60 / 112 page  ADVANCED COMMUNICATIONS FINAL DATASHEET Revision 3.01/August 2005 © Semtech Corp. Page 60 www.semtech.com ACS8525 LC/P Address (hex): 38 Register Name cnfg_dig_outputs_sonsdh Description Configures Digital1 and Digital2 output frequencies to be SONET or SDH compatible frequencies. Default Value 0000 0100* Bit 7Bit 6 Bit 5Bit 4 Bit 3 Bit 2Bit 1Bit 0 dig2_sonsdh dig1_sonsdh Bit No. Description Bit Value Value Description 7Not used. - - 6 dig2_sonsdh Selects whether the frequencies generated by the Digital2 frequency generator are SONET derived or SDH. *Default value of this bit is set by the SONSDHB pin at power-up. 1 0 Digital2 can be selected from 1,544/3,088/6,176/ 12,352 kHz. Digital2 can be selected from 2,048/4,096/8,192/ 16,384 kHz. 5 dig1_sonsdh Selects whether the frequencies generated by the Digital1 frequency generator are SONET derived or SDH. *Default value of this bit is set by the SONSDHB pin at power-up. 1 0 Digital1 can be selected from 1,544/3,088/6,176/ 12,352 kHz. Digital1 can be selected from 2,048/4,096/8,192/ 16,384 kHz. [4:0] Not used. - - Address (hex): 39 Register Name cnfg_digtial_frequencies Description (R/W) Configures the actual frequencies of Digital1 & Digital2. Default Value 0000 1000 Bit 7Bit 6 Bit 5Bit 4 Bit 3 Bit 2Bit 1Bit 0 digital2_frequency digital1_frequency Bit No. Description Bit Value Value Description [7:6] digital2_frequency Configures the frequency of Digital2. Whether this is SONET or SDH based is configured by Bit 6 (dig2_sonsdh) of Reg. 38. 00 01 10 11 Digital2 set to 1,544 kHz or 2,048 kHz. Digital2 set to 3,088 kHz or 4,096 kHz. Digital2 set to 6,176 kHz or 8,192 kHz. Digital2 set to 12,353 kHz or 16,384 kHz. [5:4] digital1_frequency Configures the frequency of Digital1. Whether this is SONET or SDH based is configured by Bit 5 (dig1_sonsdh) of Reg. 38. 00 01 10 11 Digital1 set to 1,544 kHz or 2,048 kHz. Digital1 set to 3,088 kHz or 4,096 kHz. Digital1 set to 6,176 kHz or 8,192 kHz. Digital1 set to 12,353 kHz or 16,384 kHz. [3:0] Not used. |
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