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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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AD9858 数据表(PDF) 24 Page - Analog Devices |
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AD9858 数据表(HTML) 24 Page - Analog Devices |
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24 / 32 page  AD9858 Rev. A | Page 24 of 32 Table 6. Register Map Register Address (LSB) Name Ser Par (MSB) Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Default Value Profile 0x00 <7:0> Not Used 2 GHz Divider Disable SYNCLK Out Disable Mixer Power Down Phase Detect PwrDwn Power Down SDIO Input Only LSB First 0x18 N/A 0x01 <15:8> Freq. Sweep Enable Enable Sine Output Charge Pump Offset Bit Phase Detector Divider Ratio (N) (see Table 10) Charge Pump Polarity Phase Detector Divider Ratio (M) (see Table 11) 0x00 N/A 0x02 <23:16> AutoClr Freq. Accum AutoClr Phase Accum Load Delta- Freq Timer Clear Freq Accum Clear Phase Accum Open Fast- Lock Enable Don’t Use FTW for Fast- Lock 0x00 N/A Control Function Register (CFR) 0x00 0x03 <31:24> Frequency Detect Charge Pump Current (see Table 7) Final Closed-Loop Charge Pump Current (see Table 8) Wide Closed-Loop Charge Pump Current (see Table 9) 0x00 N/A 0x04 Delta Frequency Word <7:0> – N/A 0x05 Delta Frequency Word <15:8> – N/A 0x06 Delta Frequency Word <23:16> – N/A Delta-Freq Tuning Word (DFTW) 0x01 0x07 Delta Frequency Word <31:24> – N/A 0x08 Delta Frequency Ramp Rate Word <7:0> – N/A Delta-Freq Ramp Rate (DFRRW) 0x02 0x09 Delta Frequency Ramp Rate Word <15:8> – N/A 0x0A Frequency Tuning Word No. 0 <7:0> 0x00 0 0x0B Frequency Tuning Word No. 0 <15:8> 0x00 0 0x0C Frequency Tuning Word No. 0 <23:16> 0x00 0 Frequency Tuning Word No. 0 (FTW0) 0x03 0x0D Frequency Tuning Word No. 0 <31:24> 0x00 0 0x0E Phase Offset Word No. 0 <7:0> 0x00 0 Phase Offset Word 0 (POW0) 0x04 0x0F Not Used Not Used Phase Offset Word No. 0 <13:8> 0x00 0 0x10 Frequency Tuning Word No. 1 <7:0> – 1 0x11 Frequency Tuning Word No. 1 <15:8> – 1 0x12 Frequency Tuning Word No. 1 <23:16> – 1 Frequency Tuning Word No.1(FTW1) 0x05 0x13 Frequency Tuning Word No. 1 <31:24> – 1 0x14 Phase Offset Word No. 1 <7:0> – 1 Phase Offset Word 1 (POW1) 0x06 0x15 Not Used Not Used Phase Offset Word No. 1 <13:8> – 1 0x16 Frequency Tuning Word No. 2 <7:0> – 2 0x17 Frequency Tuning Word No. 2 <15:8> – 2 0x18 Frequency Tuning Word No. 2 <23:16> – 2 Frequency Tuning Word No. 2 (FTW2) 0x07 0x19 Frequency Tuning Word No. 2 <31:24> – 2 0x1A Phase Offset Word No. 2 <7:0> – 2 Phase Offset Word 2 (POW2) 0x08 0x1B Not Used Not Used Phase Offset Word No. 2 <13:8> – 2 0x1C Frequency Tuning Word No. 3 <7:0> – 3 0x1D Frequency Tuning Word No. 3 <15:8> – 3 0x1E Frequency Tuning Word No. 3 <23:16> – 3 Frequency Tuning Word No. 3 (FTW3) 0x09 0x1F Frequency Tuning Word No. 3 <31:24> – 3 0x20 Phase Offset Word No. 3 <7:0> – 3 Phase Offset Word 3 (POW3) 0x0A 0x21 Not Used Not Used Phase Offset Word No. 3 <13:8> – 3 0x22 Reserved, Do Not Write, Leave at 0xFF 0xFF N/A Reserved 0x0B 0x23 Reserved, Do Not Write, Leave at 0xFF 0xFF N/A |
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