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AD9670EBZ датащи(PDF) 46 Page - Analog Devices |
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AD9670EBZ датащи(HTML) 46 Page - Analog Devices |
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46 / 53 page ![]() Data Sheet AD9670 Rev. A | Page 45 of 52 Addr. (Hex) Register Name Bit 7 (MSB) Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 (LSB) Default Value Comments 0x015 OUTPUT_ADJUST LVDS output standard 0 = ANSI (default) 1 = IEEE (low power) 1 1 0 LVDS drive strength enable 0 = disable (default) 1 = enable LVDS drive current 000 = 3.72 mA 001 = 3.5 mA (default) 010 = 3.30 mA 011 = 2.96 mA 100 = 2.82 mA 101 = 2.57 mA 110 = 2.27 mA 111 = 2.0 mA (reduced range) 0x61 Data output levels (global). 0x016 FLEX_OUTPUT_ PHASE X X 0 DCO invert 0 = disable (default) 1 = enable X X DCO phase adjust with respect to DOUT 00 = +90° (default) 01 = 0° 10 = 0° 11 = −90° 0x00 DCO inversion and course phase adjustment (global). 0x017 FLEX_OUTPUT_ DELAY DCO delay enable 0 = disable (default) 1 = enable X X DCO clock delay 00000: 100 ps (default) 00001 = 200 ps 00010 = 300 ps … 11101 = 3.0 ns 11110 = 3.1 ns 11111 = 3.2 ns 0x00 DCO delay (global). 0x018 FLEX_VREF X X X X X 1 0 0 0x04 Reserved (global). 0x019 USER_PATT1_LSB B7 B6 B5 B4 B3 B2 B1 B0 0x00 User Defined Pattern 1, LSB (global). 0x01A USER_PATT1_MSB B15 B14 B13 B12 B11 B10 B9 B8 0x00 User Defined Pattern 1, MSB (global). 0x01B USER_PATT2_LSB B7 B6 B5 B4 B3 B2 B1 B0 0x00 User Defined Pattern 2, LSB (global). 0x01C USER_PATT2_MSB B15 B14 B13 B12 B11 B10 B9 B8 0x00 User Defined Pattern 2, MSB (global). 0x01D USER_PATT3_LSB B7 B6 B5 B4 B3 B2 B1 B0 0x00 User Defined Pattern 3, LSB (global). 0x01E USER_PATT3_MSB B15 B14 B13 B12 B11 B10 B9 B8 0x00 User Defined Pattern 3, MSB (global). 0x01F USER_PATT4_LSB B7 B6 B5 B4 B3 B2 B1 B0 0x00 User Defined Pattern 4, LSB (global). 0x020 USER_PATT4_MSB B15 B14 B13 B12 B11 B10 B9 B8 0x00 User Defined Pattern 4, MSB (global). 0x021 FLEX_SERIAL_CTRL 0 FCO invert 0 = not inverted (default) 1 = inverted Lane mode 00 = 1 channel/lane (8 lanes) (default) 01 = 2 channels/lane (4 lanes) 10 = 4 channels/lane (2 lanes) 11 = 8 channels/lane (1 lane) Lane low rate 0 = normal (default) 1 = low sample frequency (<32 MHz) FCO rate with de- modulator enabled 0 = FCO per I/Q (default) 1 = FCO per sample (I and Q) Output word length 00 = 12 bits (default) 01 = 14 bits 10 = 16 bits 11 = reserved 0x00 LVDS control (global). 0x022 SERIAL_CH_STAT X X X X X X X Channel power- down 1 = on 0 = off (default) 0x00 Used to power down individual channels (local). |
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