XRT75L00D Datasheet, PDF (27/92 Pages) Exar Corporation – E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER

REV. 1.0.2
XRT75L00D
E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
FIGURE 10. MICROPROCESSOR SERIAL INTERFACE STRUCTURE
CS
SClk
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
SDI
SDO
R/W A0 A1 A2 A3 A4 A5 0 D0 D1 D2 D3 D4 D5 D6 D7
High Z
High Z
D0 D1 D2 D3 D4 D5 D6 D7
FIGURE 11. TIMING DIAGRAM FOR THE MICROPROCESSOR SERIAL INTERFACE
CS
SCLK
SDI
t₂₁
t ₂₂
t ₂₃
R/W
t₂₆
t ₂₄
t ₂₅
A0
A1
t₂₈
t₂₇
CS
SCLK
t₂₉
t₃₀
SDO _Hi-Z
D0
D1
Hi-Z
SDI
t₃₂
D2
t₃₁
D7
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