S6B33A2 Datasheet, PDF (43/67 Pages) Samsung semiconductor – 128 RGB Segment & 129 Common Driver For 4,096 Color STN LCD

S6B33A2 PRELIMINARY VER 1.3 128 RGB SEGMENT & 129 COMMON DRIVER FOR 4,096 COLOR STN LCD
Partial Display Mode Set (55H)
D/I
/WR
/RD
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
0
1
0
1
0
1
0
1
0
0
1
0
0
0
0
0
0
PDM
PT
PT: Partial Display ON/OFF
- PT = 0: Partial display OFF = Normal mode (Initial status)
- PT = 1: Partial display ON
PDM: Partial Display mode set
- PDM = 0: Partial mode 0 : Duty ratio is same as Normal display mode(initial status)
- PDM = 1: Partial mode 1 : Duty ratio is changed from Normal display mode(66 duty fixed)
Applied parameter in PDM0 and PDM1 are summarized as below
PDM
0
1
Contrast
Contrast control(1)
Contrast control(1)
Duty
Normal
1/66
Bias
Bias(1)
Bias(2)
DC-DC Select
DC-DC(1),DC(1)
DC-DC(1),DC(2)
OSC
OSC1-OSC2
OSC3-OSC4
PCK
DIV(1)
DIV(2)
Partial Start Line
Display
Area
Partial End Line
N line
Partial Start Line
Partial End Line
M line
Max. 66 line
PDM 0
PDM 1
No display Area
: No COM Scanning field (COM = Vm fixed)
Except Partial Display Area : COM Timing is existing, but COM = Vm fixed
Partial Display Area
: Real display field
Operation in Partial Display Mode 0 (PDM=0)
On scanning except partial display area
-SEG output select V0 or V1 level depend on “FR” value. Refer to 44
-All of COM output is fixed VM level.
On scanning partial display area
-It is equal to be in normal mode
Operation in Partial Display Mode 1 (PDM=1)
Display area is from partial start line to partial end line.
(COM driver output is fixed VM except display area, only max66 line output COM signal.
On scanning except partial display area
-SEG output select V0 or V1 level depend on “FR” value. Refer to Page44
-All of COM output is fixed VM level.
On scanning partial display area
-It is equal to be in normal mode
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