EM65570
68COM/ 98SEG 65K Color STN LCD Driver
The LE registers set the line reverse end address under the following conditions:
00H ≦ LS ≦ 43H
LS ≦ LE
LS: Line reverse start address
8.2.25 Line Reverse Control
D7 D6 D5 D4 D3 D2 D1 D0
BST BT LREV
CSB RS RDB WRB RE2 RE1 RE0
0
1
0
0
*
0
1
1
0
1
0
0
* Don’t Care
(At the time of reset: {BST, BT, LREV} = 0H, read address: 4H)
The BST register controls the Fast Burst RAM write function
BST = “0”: Burst RAM write function OFF
BST = “1”: Burst RAM write function ON
The LREV registers control the line reverse display function.
LREV = “0”: Normal display (not reversed)
LREV = “1”: Line reverse display enabled
The area specified by the Line Reverse Start/End Register reverses the display. The
reverse type is selected by the BT register.
When using the Line Reverse Display function, LS and LE registers must meet the
following condition:
LS ≦ LE
The BT register controls the line reverse type. This is an option of the line reverse
display function. This BT setting is only available when LREV=”1”
BT = “0”: Reverse display
BT = “1”: Reverse display at each 32 frame.
Display change
each 32 frame
Figure 8-5a Blink Example (LREV = 1, BT = 1)
Product Specification (V1.0) 09.05.2005
(This specification is subject to change without further notice)
• 75
ELAN [ ELAN MICROELECTRONICS CORP ]
