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AD9671EBZ Datasheet(PDF) 55 Page - Analog Devices |
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AD9671EBZ Datasheet(HTML) 55 Page - Analog Devices |
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55 / 61 page  AD9671 Data Sheet Rev. A| Page 54 of 60 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 0x118 DIG_SINE_ TEST_AMP X X X X Digital test tone amplitude 0000 = AFULL-SCALE (default) 0001 = AFULL-SCALE/2 0010 = AFULL-SCALE/22 … 1111 = AFULL-SCALE/215 0x00 Digital sine test tone amplitude (global). 0x119 DIG_SINE_ TEST_ OFFSET Offset multiplier (a) 0 1111 = 15 0 1110 = 14 … 0 0000 = 0 (default) 1 1111 = −1 … 1 0000 = −16 Offset exponent (b) 000 = 0 (default) 001 = 1 … 111 = 7 0x00 Digital sine test tone offset (global). Offset = AFULL-SCALE × a × 2−(13 − b) Offset range is ~0.5 dB Maximum positive offset = 15 × 2−(13 − 7) = 0.25 × AFULL-SCALE Maximum negative offset = −16 × 2−(13 − 7) ≈ −0.25 × AFULL-SCALE 0x11A TEST_ MODE_ CH_ ENABLE Ch. H enable 0 = off (default) 1 = on Ch. G enable 0 = off (default) 1 = on Ch. F enable 0 = off (default) 1 = on Ch. E enable 0 = off (default) 1 = on Ch. D enable 0 = off (default) 1 = on Ch. C enable 0 = off (default) 1 = on Ch. B enable 0 = off (default) 1 = on Ch. A enable 0 = off (default) 1 = on 0x00 Enable channels for test mode (global). 0x11B TEST_ MODE_ CONFIG X X X X X Datapath test mode selection 000 = disable test modes (default) 001 = enable digital sine test mode 010 = enable decimator filter test (output of decimator is the sequence of filter coefficients) 011 = enable channel ID test mode (16-bit data = digital ramp (7 bits) + I/Q bit + Channel ID (3 bits) + Chip Address (5 bits) 100 = enable analog test tone 101 = reserved … 111 = reserved 0x00 Enable digital test modes (local). 0x11C RESERVED_ 11C 0 0 0 0 0 0 0 0 0x00 Reserved. 0x11D RESERVED_ 11D 0 0 0 0 0 0 0 0 0x00 Reserved. 0x11E RESERVED_ 11E 0 0 0 0 0 0 0 0 0x00 Reserved. 0x11F RESERVED_ 11F 0 0 0 0 0 0 0 0 0x00 Reserved. 0x120 CW_TEST_ TONE 0 CW I/Q output swap 0 = disable (default) 1 = enable LNA offset cancel- lation 0 = enable (default) 1 = disable LNA offset cancellation transconductance 00 = 0.5 mS (default) 01 = 1.0 mS 10 = 1.5 mS 11 = 2.0 mS CW analog test tone override for Reg. 0x116, Bits[1:0] 00 = disable override (default) 01 = set analog test tone frequency to fLO 1X = set analog test tone frequency to dc 0 0x00 Sets the frequency of the analog test tone to fLO in CW Doppler mode; enables I/Q output swap; LNA offset cancel- lation control (global). 0x142 JTX_LINK_ CTRL1 JESD204B power during standby 0 = remain powered up (default) 1 = power- down JESD204B tail bit value 0 = zeros (default) 1: PN sequence JESD204B test mode enable 0 = disable (default) 1 = enable JESD204B lane sync enable 0 = disable (default) 1 = enable JESD204B ILAS enable 00 = disable (default) 01 = enable 10 = always on, test mode 11 = reserved JESD204B serial frame alignment character insertion (FACI) disable 0: FACI enabled 1: FACI disabled Power down JESD204B link 0 = link enabled (default) 1 = link powered down 0x00 JESD204B configuration (global). |
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