[10]?
?
Set?CGRAM?Address??
RS?
R/W?
DB7?
DB6?
DB5?
DB4?
DB3
DB2
DB1
DB0
0?
0?
0?
1?
ACG5?
ACG4?
ACG3
ACG2
ACG1
ACG0
This?instruction?is?used?to?set?the?CGRAM?address?into?the?Address?Counter.?Data?can?then?be?written?to?or?read?from?
the?CGRAM?locations.?See?section:?“How?to?use?CGRAM”.?
ACG5...ACG0?is?the?binary?CGRAM?address.??
?
Set?DDRAM?Address??
RS?
R/W?
DB7?
DB6?
DB5?
DB4?
DB3
DB2
DB1
DB0
0?
0?
1?
ADD6?
ADD5?
ADD4?
ADD3
ADD2
ADD1
ADD0
This?instruction?is?used?to?set?the?DDRAM?address?into?the?Address?Counter.?Data?can?then?be?written?to?or?read?from?
the?DDRAM?locations.?
ADD6...ADD0?is?the?binary?DDRAM?address.?
Line?1?=?Address?0x00?through?0x13?
Line?2?=?Address?0x40?through?0x53?
Line?3?=?Address?0x14?through?0x27?
Line?4?=?Address?0x54?through?0x67?
?
1?
2?
3?
4?
5?
6?
7?
8?
9
10
11
12
13
14
15
16?
17?
18?
19
20
00?
01?
02?
03?
04?
05?
06?
07?
08
09
0A
0B
0C
0D
0E
0F?
10?
11?
12
13
40?
41?
42?
43?
44?
45?
46?
47?
48
49
4A
4B
4C
4D
4E
4F?
50?
51?
52
53
14?
15?
16?
17?
18?
19?
1A?
1B?
1C
1D
1E
1F
20
21
22
23?
24?
25?
26
27
54?
55?
56?
57?
58?
59?
5A?
5B?
5C
5D
5E
5F
60
61
62
63?
64?
65?
66
67
?
?
Read?Busy?Flag?and?Address?Counter??
RS?
R/W?
DB7?
DB6?
DB5?
DB4?
DB3
DB2
DB1
DB0
0?
1?
BF?
AC6?
AC5?
AC4?
AC3
AC2
AC1
AC0
This?instruction?is?used?to?read?the?Busy?Flag?(BF)?to?indicate?if?the?display?controller?is?performing?an?internal?operation.?
The?Address?Counter?is?read?simultaneously?with?checking?the?Busy?Flag.?
When?BF?=?“1”,?the?controller?is?busy?and?the?next?instruction?will?be?ignored.?
When?BF?=?“0”,?the?controller?is?not?busy?and?is?ready?to?accept?instructions.?
AC6...AC0?is?the?binary?location?of?either?the?CGRAM?or?DDRAM?current?address.?
?
Write?Data?to?CGRAM?or?DDRAM??
RS?
R/W?
DB7?
DB6?
DB5?
DB4?
DB3
DB2
DB1
DB0
1?
0?
Write?Data
This?instruction?is?used?to?write?8‐bits?of?data?to?the?CGRAM?or?DDRAM?at?the?current?address?counter.?After?the?write?is?
complete,?the?address?is?automatically?incremented?or?decremented?by?1?according?to?the?Entry?Mode.?
?
Read?Data?from?CGRAM?or?DDRAM??
RS?
R/W?
DB7?
DB6?
DB5?
DB4?
DB3
DB2
DB1
DB0
1?
1?
Read?Data
This?instruction?is?used?to?read?8‐bits?of?data?to?the?CGRAM?or?DDRAM?at?the?current?address?counter.?After?the?read?is?
complete,?the?address?is?automatically?incremented?or?decremented?by?1?according?to?the?Entry?Mode.?
The?Set?CGRAM?Address?or?Set?DDRAM?Address?Instruction?must?be?executed?before?this?instruction?can?be?performed,?
otherwise?the?first?Read?Data?will?not?be?valid.?
?
?
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