EM65571 ELAN Microelectronics Corp, EM65571 Datasheet - Page 80
EM65571
Manufacturer Part Number
EM65571
Description
130com / 128seg 65k Color Stn Lcd Driver
Manufacturer
ELAN Microelectronics Corp
Datasheet
1.EM65571.pdf
(118 pages)
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EM65571
130COM/128SEG 65K Color STN LCD Driver
74 x
REF
0
1
The increment control of X and Y-addresses by AIM, AYI and AXI registers are as follows.
(1) Regardless of AIM, no increment for AX and AY register.
(2) Basing on the set-up of the AIM, automatically change the X-address.
In accordance with the REF register, the AX register and X-address becomes as follows.
Note: maxH: internal maximum X-address in each access mode.
(3) Basing on the set-up of the AIM, automatically change the Y-address. Regardless of
(4) According to the set-up of the AIM, simultaneously change the X and Y-address.
Note: maxH: The internal maximum X-address in each access mode.
Following shows address increment in window function access.
REF
0
1
AYI
AIM
0
0
1
1
0
1
REF, increment by looping.
When the X-address exceeds maxH, the Y-address incremented.
When each AX exceed maxH, increment AY
AX:
AY:
00H
Transition of AY Register
Transition of AX and AY Register
When writing to or reading from the Display RAM.
This is effective when accessing successive address areas.
Only when writing to the Display RAM.
This is effective the case of “Read Modify Write”
00H
00H
00H
Transition of AX Register
01H
AXI
0
1
0
1
01H
00H
00H
.......
.......
7FH
Select Address Increment Operation
X and Y both are incremented
max
Address is not incremented
X-Address is incremented
Y-Address is incremented
Address Increment Timing
7FH
max
(This specification is subject to change without further notice)
AX:
AY:
Transition of Y Address
Product Specification (V1.0) 08.04.2005
Same as AY register
Same as AY register
Transition of X and Y Address
Same as AX and AY register
max
max
Transition of X Address
Same as AX register
maxH
maxH
.....
Remark
00H
00H
(1)
(2)
(3)
(4)
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