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參數(shù)資料
| 型號(hào)： | KS0759 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 81 COM / 128 SEG DRIVER & CONTROLLER FOR STN LCD |
| 中文描述： | 81的COM / 128賽格驅(qū)動(dòng) |
| 文件頁(yè)數(shù)： | 32/67頁(yè) |
| 文件大?。?/td> | 580K |
| 代理商： | KS0759 |
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81 COM / 128 SEG DRIVER & CONTROLLER FOR STN LCD PRELIMINARY SPEC. VER. 0.2 KS0759
28
In Case of Using Internal Resistors, Ra and Rb (INTRS = "H”)
When INTRS pin is
"
H
"
, resistor Ra is connected internally between VR pin and V
SS
, and Rb is connected
between V0 and VR. We determine V0 by two instructions, "Regulator Resistor Select" and "Set Reference
Voltage".
Table 12. Internal Rb / Ra Ratio depending on 3-bit Data (R2 R1 R0)
3-bit data settings (R2 R1 R0)
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
1 + (Rb / Ra)
2.3
3.0
3.7
4.4
5.1
5.8
6.5
7.2
Figure 22 Shows V0 voltage measured by adjusting internal regulator register ratio (Rb / Ra) and 6-bit electronic
volume registers for each temperature coefficient at Ta = 25
°
C.
0.00
2.00
4.00
6.00
8.00
10.00
12.00
14.00
16.00
0
8
16
24
32
40
48
56
Electronic volume register (0 to 63)
V
(1, 1, 1)
63
63
(1, 1, 0)
(1, 0, 1)
(1, 0 ,0)
(0, 1, 1)
(0, 1, 0)
(0, 0, 1)
(0, 0, 0)
Figure 22. Electronic Volume Level (Temp. Coefficient = -0.05% /
°
C)
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