
UC1608
128x240 Matrix LCD Controller-Drivers
(Revision 0.52 Preview)
13
(14) Set Page Address
Action
C/D W/R D7 D6 D5 D4 D3 D2 D1 D0
0
0
1
0
1
Set Page Address LSB PA [3:0]
Set the SRAM page address before write/read memory from host interface.
1
PA3 PA2 PA1 PA0
Effective range of value =
0 ~ 15
(15) Set LCD Mapping Control
Action
C/D W/R D7 D6 D5 D4 D3 D2 D1
0
0
1
1
0
D0
MSF
Set LCD Mapping Control LC[3:0]
Set LC[3:0] for COM (row) mirror (MY), SEG (column) mirror (MX) and MSB first or LSB first options (MSF).
0
MY MX
-
stored in RAM is not affected by MY command. MY will have immediate effect on the display image.
MY is implemented by reversing the mapping order between RAM and COM (row) electrodes. The data
column address so this function will only take effect after rewriting the RAM data
MX is implemented by selecting the CA or 239-CA as write/read (from host interface) display RAM
MSF is implemented by MSB-LSB swapping. When MSB first (LC[0] ) bit is set, data D[7:0] will be re-
aligned as D[0:7] then be stored to RAM.
(16) System Reset
Action
System Reset
C/D W/R D7 D6 D5 D4 D3 D2 D1 D0
0
0
1
1
1
0
0
0
1
0
This command will activate the system reset. The system will take about 5ms to reset
(17) NOP
Action
No operation
C/D W/R D7 D6 D5 D4 D3 D2 D1 D0
0
0
1
1
1
0
0
0
1
1
This command is used for “no operation”.
(18) Set LCD Bias Ratio
Action
C/D W/R D7 D6 D5 D4 D3 D2 D1 D0
0
0
1
1
1
Set Bias Ratio BR [1:0]
Bias ratio definition:
0
1
0
BR1 BR0
00b
= 10.7
01
b=11.3
10b
=12.0
11b
=12.7
(19) Reset Cursor Mode
Action
C/D W/R D7 D6 D5 D4 D3 D2 D1 D0
0
0
1
1
1
Return to Cursor. AC[3]=0, CA=CR
This command is used to reset cursor update mode function. See description below.
0
1
1
1
0