Datasheet

AD8150
Rev. A | Page 20 of 44
CONTROL INTERFACE PROGRAMMING EXAMPLE
The following conservative pattern connects all outputs to Input 7, except Output 16, which is connected to Input 32. The vector clock
period, T
0
, is 15 ns. It is possible to accelerate the execution of this pattern by deleting Vectors 1, 4, 7, and 9.
Table 11. Basic Test Pattern
Vector No.
RESET CS WE RE UPDATE
A[4:0] D[6:0] Comments
0 0 1 1 1 1 xxxxx xxxxxxx Disable all outputs
1 1 1 1 1 1 xxxxx xxxxxxx
2 1 0 1 1 1 10001 1000111 All outputs to Input 07
3 1 0 0 1 1 10001 1000111 Write to first rank
4 1 0 1 1 1 10001 1000111
5 1 0 1 1 1 10000 1100000 Output 16 to Input 32
6 1 0 0 1 1 10000 1100000 Write to first rank
7 1 0 1 1 1 10000 1100000
8 1 0 1 1 0 xxxxx xxxxxxx Transfer to second rank
9 1 0 1 1 1 xxxxx xxxxxxx
10 1 1 1 1 1 xxxxx xxxxxxx Disable interface
01074-031
UPDATE
7
0
1
2
16
33
1 OF 17 DECODERS
WE
D[0:6]
A[0:4]
RANK1
RANK2
17 ROWS OF 7-BIT
LATCHES
RESET
7
33
7
33
7
33
7
7
7
7
0
1
2
16
7
7
7
7
7
7
7
7
7
TO 17 × 33
SWITCH
MATRIX
1 OF 33
DECODERS
RE
Figure 31. Control Interface (Simplified Schematic)