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參數(shù)資料
| 型號： | S6B1400X |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 104 SEG / 65 COM DRIVER & CONTROLLER FOR STN LCD |
| 中文描述： | 104賽格/ 65 COM驅動程序 |
| 文件頁數(shù)： | 32/64頁 |
| 文件大?。?/td> | 445K |
| 代理商： | S6B1400X |
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104 SEG / 65 COM DRIVER & CONTROLLER FOR STN LCD
SPEC. VER. 0.0 S6B1400X
28
In Case of Using External Resistors, Ra and Rb (INTRS = "L")
When INTRS pin is “L”, it is necessary to connect external regulator resistor Ra between VR and V
SS
, and Rb
between V
LCD
and VR.
Example: For the following requirements
1. LCD driver voltage, V
LCD
= 6V
2. 6-bit reference voltage register = (1, 0, 0, 0, 0, 0)
3. Maximum current flowing Ra, Rb = 1 uA
From Eq. 1
Rb
6 = ( 1 +
) x V
EV
[V] ------ (
Eq. 3
)
Ra
From Eq. 2
(63 - 32)
V
EV
= ( 1 -
) x 2.1
1.698
[V] ------ (
Eq. 4
)
162
From requirement 3.
6
= 1 [uA] ------ (
Eq. 5
)
Ra + Rb
From equations Eq. 3, 4 and 5
Ra
1.698 [M
]
Rb
4.302 [M
]
The following table shows the range of V
LCD
depending on the above requirements.
Table 16. V
LCD
Depending on Electronic Volume Level
Electronic volume level
0
.......
32
.......
63
V
LCD
4.53
.......
6.00
.......
7.42
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