HM17CM256 HYNIX [Hynix Semiconductor], HM17CM256 Datasheet - Page 56

• Manufacturer Part Number: HM17CM256
• Description: 128XRGBX82 OUTPUT LCD DRIVER IC with built-in RAM
• Manufacturer: HYNIX [Hynix Semiconductor]

HM17CM256
- 56 -
(34-7) display control (1) register set
a) ON/OFF command
b) ALLON command
c) MON command
d) SHIFT command
a) when n-line inversion function is OFF(1/82 duty display)
b) when n-line inversion function is ON
various control setting of display
Inversion timing
CS
( reset :{SHIFT, MON, ALLON, ON/OFF}=0
0
Display ON/OFF control
positive display/negative display command.
Setting display data to “1” with independence of RAM data.
BW display / gradation display selection
Selection of the shift direction of scan data of common driver output
SHIFT=”0”:COM
SHIFT=”1”:COM
RS
1
LP
FR
ON/OFF=”0”: display OFF (all ports are V
ON/OFF=”1”: display ON
ALLON=”0”: normal display state
ALLON=”1”: turn on all the pixel
MON=”0”: gradation display mode
MON=”1”: BW display mode
LP
FLM
FR
RD
1
WR
0
0
79
1 line
1 line
COM
COM
RE
0
2
79
2 line
0
2 line
shift
shift
RE
0
1
3 line
3 line
RE
N line control
0
H
0
, read address : 8
RAM data is not changed.
SS
D
1
7
level)
D
0
6
H
)
D
N line
81 line
0
5
This command has higher priority than
1 line
82 line
D
0
4
SHIFT
1 line
2 line
D
3
MON
D
2
ALLON ON/OFF
D
1
D
0