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JS28F256P30B95A датащи(PDF) 46 Page - Micron Technology |
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JS28F256P30B95A датащи(HTML) 46 Page - Micron Technology |
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46 / 97 page ![]() P30 Datasheet August 2008 46 306666-12 11.2.6 Burst Sequence The Burst Sequence (BS) bit selects linear-burst sequence (default). Only linear-burst sequence is supported. Table 22 shows the synchronous burst sequence for all burst lengths, as well as the effect of the Burst Wrap (BW) setting. 11.2.7 Clock Edge The Clock Edge (CE) bit selects either a rising (default) or falling clock edge for CLK. This clock edge is used at the start of a burst cycle, to output synchronous data, and to assert/deassert WAIT. Table 22: Burst Sequence Word Ordering Start Addr. (DEC) Burst Wrap (RCR[3]) Burst Addressing Sequence (DEC) 4-Word Burst (BL[2:0] = 0b001) 8-Word Burst (BL[2:0] = 0b010) 16-Word Burst (BL[2:0] = 0b011) Continuous Burst (BL[2:0] = 0b111) 0 0 0-1-2-3 0-1-2-3-4-5-6-7 0-1-2-3-4…14-15 0-1-2-3-4-5-6-… 1 0 1-2-3-0 1-2-3-4-5-6-7-0 1-2-3-4-5…15-0 1-2-3-4-5-6-7-… 2 0 2-3-0-1 2-3-4-5-6-7-0-1 2-3-4-5-6…15-0-1 2-3-4-5-6-7-8-… 3 0 3-0-1-2 3-4-5-6-7-0-1-2 3-4-5-6-7…15-0-1-2 3-4-5-6-7-8-9-… 40 4-5-6-7-0-1-2-3 4-5-6-7-8…15-0-1-2-3 4-5-6-7-8-9-10… 50 5-6-7-0-1-2-3-4 5-6-7-8-9…15-0-1-2-3-4 5-6-7-8-9-10-11… 60 6-7-0-1-2-3-4-5 6-7-8-9-10…15-0-1-2-3-4- 5 6-7-8-9-10-11-12-… 70 7-0-1-2-3-4-5-6 7-8-9-10…15-0-1-2-3-4-5- 6 7-8-9-10-11-12-13… 14 0 14-15-0-1-2…12-13 14-15-16-17-18-19-20-… 15 0 15-0-1-2-3…13-14 15-16-17-18-19-20-21-… 0 1 0-1-2-3 0-1-2-3-4-5-6-7 0-1-2-3-4…14-15 0-1-2-3-4-5-6-… 1 1 1-2-3-4 1-2-3-4-5-6-7-8 1-2-3-4-5…15-16 1-2-3-4-5-6-7-… 2 1 2-3-4-5 2-3-4-5-6-7-8-9 2-3-4-5-6…16-17 2-3-4-5-6-7-8-… 3 1 3-4-5-6 3-4-5-6-7-8-9-10 3-4-5-6-7…17-18 3-4-5-6-7-8-9-… 41 4-5-6-7-8-9-10-11 4-5-6-7-8…18-19 4-5-6-7-8-9-10… 51 5-6-7-8-9-10-11-12 5-6-7-8-9…19-20 5-6-7-8-9-10-11… 61 6-7-8-9-10-11-12-13 6-7-8-9-10…20-21 6-7-8-9-10-11-12-… 71 7-8-9-10-11-12-13- 14 7-8-9-10-11…21-22 7-8-9-10-11-12-13… 14 1 14-15-16-17-18…28-29 14-15-16-17-18-19-20-… 15 1 15-16-17-18-19…29-30 15-16-17-18-19-20-21-… |
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