LM8M64 Sharp Electronics, LM8M64 Datasheet - Page 18
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LM8M64
Manufacturer Part Number
LM8M64
Description
Manufacturer
Sharp Electronics
Datasheet
1.LM8M64.pdf
(30 pages)
Specifications of LM8M64
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※ The intervals of one LP fall and next must be always the same, and LPs must be input continuously.
*1 When LCD module is operated by high speed of XCK(Shift clock), (t
*2 LCD module functions at the minimum frame cycle of 8.33 ms(Maximum frame frequency of 120 Hz).
*3 According to our experiments, frame cycle of 8.33 ms Min. or frame frequency of 120 Hz Max. will
The intervals must be 70μs Max.
Owing to the characteristics of LCD module, “shadowing” will become more eminent as frame frequency
goes up, while flicker will be reduced.
demonstrate optimum display quality in terms of flicker and “shadowing”. But since judgment of display
quality is subjective and display quality such as “shadowing” is pattern dependent, it is recommended
that decision of frame frequency, to which power consumption of the LCD module is proportional, be made
based on your own through testing on the LCD module with every possible patterns displayed on it
Frame cycle *2,*3
XCK signal clock cycle
LP signal “H” level pulse width
Data set up time
YD signal “H” level set up time
LP↑ allowance time from XCK↓
LP↓ allowance time from XCK↑
Input signal rise/fall time *1
hold time
“H” level hold time
“L” level set up time
“L” level hold time
“H” level clock width
“L” level clock width
Item
Table 8 Interface timing ratings
SPEC No.
LC9
LC9
LC9
LC98109A
Symbol
t
t
t
WCKH
t
t
WCKL
WLPH
t
t
t
t
t
HYH
t
t
FRM
t
HYS
LYH
t
LYS
8109A
8109A
8109A
CK
DH
LH
r
DS
LS
,t
f
MIN.
8.33
350
125
125
100
100
82
30
30
25
30
0
MODEL No.
Ta=25 ℃,VDD=3.3 V±10 %
Rating
LM
LM8M64
TYP.
LM
LM
CK
- t
8M64
8M64
8M64
WCKH
MAX.
-t
16.94
WCKL
20
5
) /2 is maximum.
Unit
PAGE
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
14
14
14
14