DS90CP04 Datasheet, PDF (15/18 Pages) National Semiconductor (TI) – 4x4 Low Power 2.5 Gb/s LVDS Digital Cross-Point

ػೳઆ໌ ( ͖ͭͮ)
ϑϨʔϜ
D29:D24
01 1110
ϩʔɾ
ΞυϨε
D23:D18
00 0000
01 1110
00 0000
01 1110
00 0000
01 1110
00 0000
TABLE 4. A Read-Back Example from a 4 Device Array
ίϥϜɾ
ΞυϨε
D17:D12
OUT1
D11:D9
OUT2
D8:D6
OUT3
D5:D3
OUT4
D2:D0
SCLK
αΠΫϧ਺
11 1111
000
000
000
000
30
11 1110
000
000
000
000
30
11 1101
000
000
000
000
30
11 1100
001
010
011
100
30
આ໌
Read-Back
(R,C) ʹ 0, 3
Read-Back
(R,C) ʹ 0, 2
Read-Back
(R,C) ʹ 0, 1
Read-Back
(R,C) ʹ 0, 0
Note 7: ॻ͖ࠐΈͱಡΈग़͠ͷϓϩάϥϛϯάྫ͸ɺFigure 11 ʹࣔ͞ΕΔ 16 ʷ 16 ΞϨΠߏ੒ʹ͢·͍͍ͯͮجɻผͷΞϨΠߏ੒Ͱ͸ϓϩάϥϛϯάॱ͸ҟͳΓ·͢ɻ
࠷খϓϩάϥϛϯάɾϨΠςϯγͱͳΔεΠον֦ு
ϓϩάϥϛϯάɾσʔλ͸ɺϩʔํ޲͸ RSO ͱ RSCLK Λ௨ͬͯɺ
ίϥϜํ޲͸ CSOͱ CSCLK Λ௨ͬͯ఻͑ΒΕ·͢ɻ͢΂ͯͷσ
όΠεͷ LOAD ୺ࢠ͸ిؾతʹڞ௨ʹ઀ଓ͠ɺಉҰ৴߸Ͱۦ
ಈ͠·͢ɻLOAD ͷ৴߸඼࣭ʹӨڹΛ༩͑ͳ͍Α͏ɺΞϨΠ಺ͷ
ελϒ௕͕ʹ୺ۃ௕͘ͳΒͳ͍Α͏ʹ഑ઢ͍ͯͩ͘͠͞ɻ େن໛Ϋ
ϩεϙΠϯτɾΞϓϦέʔγϣϯͷ৔߹ɺLOAD ৴߸͸֤ϩʔ·ͨ
͸֤ΧϥϜ͝ͱʹ෼഑͢Δ͜ͱΛਪ঑͠·͢ɻ
FIGURE 11.
15
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