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AD6684 Datasheet(PDF) 98 Page - Analog Devices |
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AD6684 Datasheet(HTML) 98 Page - Analog Devices |
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98 / 107 page ![]() AD6684 Data Sheet Rev. 0 | Page 98 of 107 Address Name Bits Bit Name Settings Description Reset Access 0x056E JESD204B map PLL control [7:4] JESD204B lane rate control 0x0 R/W 0000 Lane rate = 6.75 to 13.5 Gbps. 0001 Lane rate = 3.375 Gbps to 6.75 Gbps. 0011 Lane rate = 13.5 to 15 Gbps. 0101 Lane rate = 1.6875 Gbps to 3.375 Gbps. [3:0] Reserved Reserved. 0x0 R 0x056F JESD204B map PLL status 7 PLL lock status 0x0 R 0 Not locked. 1 Locked. [6:4] Reserved Reserved. 0x0 R 3 Reserved Reserved. 0x0 R [2:0] Reserved Reserved. 0x0 R 0x0570 JESD204B map JTX quick config- uration [7:6] Quick Configuration L Number of lanes (L) = 2Register0x0570, Bits[7:6] 0x1 R/W 0 L = 1. 1 L = 2. [5:3] Quick Configuration M Number of converters (M) = 2Register0x0570,Bits[5:3] 0x1 R/W 0 M = 1. 1 M = 2. 10 M = 4. [2:0] Quick Configuration F Number of octets/frame (F) = 2Register0x0570,Bits[2:0] 0x1 R/W 0 F = 1. 1 F = 2. 10 F = 4. 11 F = 8. 0x0571 JESD204B map JTX Link Control 1 7 Standby mode 0x0 R/W 0 Standby mode forces zeros for all converter samples. 1 Standby mode forces code group synchronization (K28.5 characters). 6 Tail bit (t) PN 0x0 R/W 0 Disable. 1 Enable. 5 Long transport layer test 0x0 R/W 0 JESD204B test samples disabled. 1 JESD204B test samples enabled. The long transport layer test sample sequence (as specified in JESD204B Section 5.1.6.3) sent on all link lanes. 4 Lane synchronization 0x1 R/W 0 Disable FACI uses /K28.7/. 1 Enable FACI uses /K28.3/ and /K28.7/. [3:2] ILAS sequence mode 0x1 R/W 00 Initial lane alignment sequence disabled (see JESD204B Section 5.3.3.5). 01 Initial lane alignment sequence enabled (see JESD204B Section 5.3.3.5). 11 Initial lane alignment sequence always on test mode. JESD204B data link layer test mode where repeated lane alignment sequence (as specified in JESD204B, Section 5.3.3.8.2) sent on all lanes. |
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