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EPC635 数据表(PDF) 80 Page - Espros Photonics corp |
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EPC635 数据表(HTML) 80 Page - Espros Photonics corp |
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80 / 97 page ![]() 8.6.6. Sum_Temp_ Sum_Temp_tl_hi Temperature sensor (high) 0x60 Bit No. 15 14 13 12 11 10 9 8 Bit name reserved Sum_Temp_tl[13:8] Operation R Default 0 0 0 0 0 0 0 0 0x00 Note: Description see Sum_Temp_tl_lo Sum_Temp_tl_lo Temperature sensor (low) 0x61 Bit No. 7 6 5 4 3 2 1 0 Bit name Sum_Temp_tl[7:0] Operation R Default 0 0 0 0 0 0 0 0 0x00 Sum_Temp_tl_lo: Sum of 4 temperature readings. For details refer to chapter 5.8. 8.6.7. DLL_status DLL_status DLL manual control: Status 0x70 Bit No. 7 6 5 4 3 2 1 0 Bit name reserved dll_fb_lead _stat dll_ref_lead _stat dll_error_stat dll_filter_stat dll_match _stat dll_lock_stat Operation R Default 0 0 0 0 0 0 0 0 0x00 dll_fb_lead_stat: Live status signal indicating the feedback waveform is leading over the reference. Used to implement the delay control by SW. dll_ref_lead_stat: Live status signal indicating the reference waveform is leading over the feedback. Used to implement the delay control by SW. dll_error_stat: Asserted when the delay to be compensated is out of reach for the delay line. dll_filter_stat: Asserted when the DLL jitter filter is active. dll_match_stat: Asserted when the residual delay between the reference and feedback is less than ~120ps. dll_lock_stat Asserted when the residual delay between the reference and feedback is less than ~2.4ns. 8.6.8. DLL_fine_ctrl_ext DLL_fine_ctrl_ext_hi DLL manual control: External fine control (high) 0x71 Bit No. 15 14 13 12 11 10 9 8 Bit name reserved DLL_fine_ctrl_ext[9:8] Operation RW Default 0 0 0 0 0 0 0 0 0x00 Note: Description see DLL_fine_ctrl_ext_lo © 2017 ESPROS Photonics Corporation Characteristics subject to change without notice 80 / 97 Datasheet_epc635-V1.02 www.espros.com |
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