
UC1682
80x104RGB CSTN Controller-Driver
Revision 0.6
17
(10) S
ET
R
OW
A
DDRESS
Action
C/D W/R D7
0
0
0
0
D6
1
1
D5
1
1
D4
0
1
D3
RA3 RA2 RA1 RA0
-
RA6 RA5 RA4
D2
D1 D0
Set Row Address LSB RA [3:0]
Set Row Address MSB RA [6:4]
Set SRAM row address for read/write access.
0
0
Possible value =
0~79
(11) S
ET
V
BIAS
P
OTENTIOMETER
Action
C/D W/R D7
0
0
0
0
D6
0
D5
0
D4
0
D3
0
D2
0
D1 D0
0
1
1
Set V
BIAS
Potentiometer. PM [7:0]
(Double byte command)
Program V
BIAS
Potentiometer (PM[7:0]). See section LCD V
OLTAGE
S
ETTING
for more detail.
PM7 PM6 PM5 PM4 PM3 PM2 PM1 PM0
Effective range:
0 ~ 255
(12) S
ET
P
ARTIAL
D
ISPLAY
C
ONTROL
Action
C/D W/R D7
0
0
D6
0
D5
0
D4
0
D3
0
D2
1
D1 D0
LC9 LC8
Set Partial Display Enable LC [9:8]
This command is used to enable partial display function.
1
LC[9:8] :
0X
b: Disable Partial Display, Mux-Rate = CEN+1 (DST, DEN not used.)
10b: Enable Partial Display, Mux-Rate = CEN+1
11b: Enable Partial Display, Mux-Rate = DEN-DST+1+LC[0]x2xFL
(13) S
ET
RAM A
DDRESS
C
ONTROL
Action
Set AC [2:0]
C/D W/R D7
0
0
D6
0
D5
0
D4
0
D3
1
D2
AC2 AC1 AC0
D1 D0
1
Program registers AC[2:0] for RAM address control.
AC[0]: WA, Automatic column/row wrap around.
0: CA or RA (depends on AC[1]= 0 or 1) will stop incrementing after reaching boundary
1
: CA or RA (depends on AC[1]= 0 or 1) will restart, and RA or CA will increment by one step.
AC[1]: Auto-Increment order
0
: column (CA) increment (+1) first until CA reaches CA boundary, then RA will increment by (+/-1).
1 : row (RA) increment (+/-1) first until RA reach RA boundary, then CA will increment by (+1).
AC[2]: RID, row address (RA) auto increment direction (
0
/1 = +/- 1 )
When WA=1 and CA reaches CA boundary, RID controls whether row address will be adjusted by
+1 or -1.
AC[2:0] controls the auto-increment behavior of CA and RA. When Window Program is enabled (AC[4]=ON),
see command description (32) ~ (36) for more details. If WPC[1:0] and WPP[1:0] values are the default
values, the behavior of CA, RA auto-increment will be the same, no matter what the setting of AC[4] is.