EM65570
68COM/ 98SEG 65K Color STN LCD Driver
8 Control Registers
8.1
Control Register
8.1.1 Control Register Table (Bank 0)
Pins (for 80-Family) & Bank
Address & Code
Control Register
Function
CSB RS WRB RDB RE2 RE1 RE0 D7 D6 D5 D4 D3 D2 D1 D0
X Address
[0H]
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
0
1
AX3 AX2 AX1 AX0
AX7 AX6 AX5 AX4
AY3 AY2 AY1 AY0
(Lower nibble)
X Address
Set of X direction Address in
display RAM
[1H]
[2H]
[3H]
(Upper Nibble)
Y Address
(Lower Nibble)
Set of Y direction Address in
display RAM
Y Address
*
AY6 AY5 AY4
(Upper Nibble)
n-line Alternation
(Lower Nibble)
n-line Alternation
(Upper Nibble)
[4H]
[5H]
0
0
1
1
0
0
1
1
0
0
0
0
0
0
0
0
1
1
0
0
0
1
N3 N2 N1 N0
Set the number of alternated
reverse line
*
N6 N5 N4
SHIFT: Select common shift
direction
65K: Select 65K gradation
ALLON: All display ON
SHI
FT
ALL ON/
65K
Display Control (1) [6H]
0
1
0
1
0
0
0
0
1
1
0
ON OFF
ON/OFF:Display ON/OFF
control
REV: Display normal/reverse
SW
REV NLIN
AP
NLIN: n line reverse control
Display Control (2) [7H]
Increment Control [8H]
0
0
1
1
0
0
1
1
0
0
0
0
0
0
0
1
1
0
1
0
1
0
*
SWAP:Display data swapping
WIN: Select window.
AIM: Select increment mode
AYI: Y increment, AXI: X
increment
WIN AIM AYI AXI
AMPON: Internal AMP. ON
HALT: Power saving
DCON: Boosting circuit ON
ACL: Resetting
AMP HA DC
ACL
Power Control
[9H]
0
1
0
1
0
0
0
1
0
0
1
ON LT ON
Set LCD drive duty ratio
LCD Duty Ratio [AH]
Booster [BH]
0
0
1
1
0
0
1
1
0
0
0
0
0
0
1
1
0
0
1
1
0
1
DS3 DS2 DS1 DS0
Set number of boosting step
for booster circuit
0
VU2 VU1 VU0
B2 B1 B0
Set bias ratio for LCD driving
voltage
Bias Ratio Control [CH]
0
0
1
1
0
0
1
1
0
0
0
1
1
1
1
0
1
0
1
*
TST0: for LS1 test, must be
set to "0"
RE: set register bank
number
Register Access
[FH]
TS
T0
0/1 0/1 0/1
RE2 RE1 RE0
Control
NOTE: Address for the control register are enclosed in brackets [ ].
* Don’t Care
Product Specification (V1.0) 09.05.2005
• 55
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
