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ENTER REGISTER PROGRAMMING MODE

SDATA

EN

0

t

2

DATA

0

1

1

0

0

SDATA

DELAYED

t

1

t

6

t

f

t

5

t

4

t

8

t

r

T0042-03

t

3

t

7

CDCE401

SCAS820 – JUNE 2006

Figure 2 shows the timing behavior of data to be written into SDATA. The sequence shown is 00 1100. If the

high period is as short as t1, this is interpreted as a 0. If the high period is as long as t3, this is interpreted as

As can be seen in Figure 2, SDATA_DELAYED can be used to latch (or strobe) SDATA. The specification for

Figure 2. Timing Diagram for SDATA Programming

6

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