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AD9516-2/PCBZ датащи(PDF) 56 Page - Analog Devices |
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AD9516-2/PCBZ датащи(HTML) 56 Page - Analog Devices |
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56 / 84 page ![]() AD9516-2 Rev. 0 | Page 56 of 84 REGISTER MAP OVERVIEW Table 51. Register Map Overview Addr (Hex) Parameter Bit 7 (MSB) Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 (LSB) Default Value (Hex) Serial Port Configuration 00 Serial Port Configuration SDO Active LSB First Soft Reset Long Instruction Long Instruction Soft Reset LSB First SDO Active 18 01 Blank 02 to 03 Reserved 04 Read Back Control Blank Read Back Active Registers 00 PLL 10 PFD and Charge Pump PFD Polarity Charge Pump Current Charge Pump Mode PLL Power-Down 7D 11 R Counter 14-Bit R Divider Bits<7:0> (LSB) 01 12 Blank 14-Bit R Divider Bits<13:8> (MSB) 00 13 A Counter Blank 6-Bit A Counter 00 14 B Counter 13-Bit B Counter Bits<7:0> (LSB) 03 15 Blank 13-Bit B Counter Bits<12:8> (MSB) 00 16 PLL Control 1 Set CP Pin to VCP/2 Reset R Counter Reset A and B Counters Reset All Counters B Counter Bypass Prescaler P 06 17 PLL Control 2 STATUS Pin Control Antibacklash Pulse Width 00 18 PLL Control 3 Reserved Lock Detect Counter Digital Lock Detect Window Disable Digital Lock Detect VCO Calibration Divider VCO Cal Now 06 19 PLL Control 4 R, A, B Counters SYNC Pin Reset R Path Delay N Path Delay 00 1A PLL Control 5 Reserved Reference Frequency Monitor Threshold LD Pin Control 00 1B PLL Control 6 VCO Frequency Monitor REF2 (REFIN) Frequency Monitor REF1 (REFIN) Frequency Monitor REFMON Pin Control 00 1C PLL Control 7 Disable Switchover Deglitch Select REF2 Use REF_SEL Pin Automatic Reference Switchover Stay on REF2 REF2 Power On REF1 Power On Differential Reference 00 1D PLL Control 8 Reserved PLL Status Register Disable LD Pin Comparator Enable Holdover Enable External Holdover Control Holdover Enable 00 1E PLL Control 9 Reserved 00 1F PLL Readback Reserved VCO Cal Finished Holdover Active REF2 Selected VCO Frequency > Threshold REF2 Frequency > Threshold REF1 Frequency > Threshold Digital Lock Detect -- 20 to 4F Blank |
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