TMC22091/TMC22191
PRODUCT SPECIFICATION
Table 17. CLUT Read/Write Sequences
Step
R/W\
A
1-0
D
7-0
Function
Write Entire CLUT Starting at Address 00
1
1
0
0
01
01
11
11
11
•••
11
11
11
00
00
00
Write 00 into CLUT Address Register.
Write 00 into CLUT Address Register.
d1 written into D, CLUT address 00.
e1 written into E, CLUT address 00.
f1 written into F, CLUT address 00.
repeat steps 3, 4, 5 until CLUT is full.
d256 written into D, CLUT address FF.
e256 written into E, CLUT address FF.
f256 written into F, CLUT address FF.
Sequence termination.
2
0
d1
3
0
e1
4
0
f1
•••
767
768
769
770
•••
0
•••
d256
e256
f256
xx
0
0
1
Write CLUT Location address
1
2
3
4
5
0
0
0
0
1
01
11
11
11
00
addr
d1
e1
f1
Write addr into the CLUT Address Register.
d1 written into D, CLUT address addr.
e1 written into E, CLUT address addr.
f1 written into F, CLUT address addr.
Sequence termination.
xx
Read CLUT Location address
1
2
3
4
5
6
0
1
1
1
1
1
01
11
11
11
11
00
addr
xx
Write addr into the CLUT Address Register.
Set up for CLUT Read sequence.
d1 read from D, CLUT address addr.
e1 read from E, CLUT address addr.
f1 read from F, CLUT address addr.
Sequence termination.
d1
e1
f1
xx
Read CLUT Address Register Then Write
1
2
3
4
5
6
7
8
9
1
0
0
0
1
0
0
0
1
01
11
11
11
01
11
11
11
00
addr
d1
Read CLUT Address Register.
d1 written into D, CLUT address addr.
e1 written into E, CLUT address addr.
f1 written into F, CLUT address addr.
Read CLUT Address Register. (terminates Write sequence)
d2 written into D, CLUT address addr+1.
e2 written into E, CLUT address addr+1.
f2 written into F, CLUT address addr+1.
Sequence termination.
e1
f1
addr+1
d2
e2
f2
xx
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