EM65568 ELAN Microelectronics Corp, EM65568 Datasheet - Page 70

• Manufacturer Part Number: EM65568
• Description: 130 Com/ 128 Seg 4096 Color Stn Lcd Driver
• Manufacturer: ELAN Microelectronics Corp

ON/OFF = “1”: Display ON
ALLON
Regardless of the data for display, all is on.
This control has priority over display normal/reverse commands.
ALLON = “0”: Normal display
ALLON = “1”: All display lighted
MON
Select Monochrome or Gradation display
MON = “0”: Gradation display mode
MON = “1”: Monochrome display mode
SHIFT
The shift direction of display scanning data in the common driver output is selected.
SHIFT = “0”: COM0ÆCOM127 shift-scan
SHIFT = “1”: COM127ÆCOM0 shift-scan
8.2.6 Display Control (2) Register
(At the time of reset: {REV,NLIN,SWAP,REF}=0H, read address: 9H)
Various control of display is set up.
REF
When MPU accesses to display RAM, the X address and data can reverse. The REF function shows in the table below:
The order of segment driver output can be reversed by register by register setting, lessening the limitation in placing IC when
assembling a LCD module.
* This specification is subject to be changed without notice.
D7
REF
1
Note: maxH: The maximum X-address in each access mode.
0
1
D6
0
X Address
D5
NH
NH
0
Access from MPU
D4
1
REV NLIN SWAP REF
D7(MSB)
D7(MSB)
D0(LSB)
D0(LSB)
D3
D7-D0
š
š
D2
D1
MaxH-NH
X Address
NH
Internal Access
D0
D7-D0
(MSB)
(MSB)
(LSB)
(LSB)
130 COM/ 128 SEG 4096 Color STN LCD Driver
CSB
š
š
0
70
RS
1
SEG(8*(maxH-NH)+7)Output
RDB WRB RE2 RE1 RE0
SEG(8*(maxH-NH))Output
1
SEG(8*NH+7)Output
SEG(8*NH)Output
Segment Output
Corresponding
0
š
š
0
0
0
2005/3/8 (V1.2)
EM65568