ST7565S ETC-unknow, ST7565S Datasheet - Page 33
ST7565S
Manufacturer Part Number
ST7565S
Description
65 X 132 Dot Matrix Lcd Controller/driver
Manufacturer
ETC-unknow
Datasheet
1.ST7565S.pdf
(73 pages)
- Current page: 33 of 73
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ST7565S
The Voltage Regulator Circuit
The step-up voltage generated at
driver voltage
Because the ST7565S chips have an internal high-accuracy
fixed voltage power supply with a 64-level electronic volume
(A) When the V5 Voltage Regulator Internal Resistors Are Used
Through the use of the V
and the electronic volume function the liquid crystal power
supply voltage V
(without adding any external resistors), making it possible to
Ver 0.3c
é
Üøôÿ³åõ
Üøôÿ³åô
È
î
Ð
Ð
é
»
»
Ä
Ä
V5
¾
¾
5
Øé
through the voltage regulator circuit.
can be controlled by commands alone
åõ
åõ
åô
åô
Ð
5
¼
¼
voltage regulator internal resistors
»
Ä À
»
é
Ä À
ÄÉÅ
é
Øé
VOUT
¼
ÄÉÅ
é
outputs the LCD
é
é
¼
Øé
åØÚ
»öô³ ÿôúø³ÿ¾øÿøöüö³ ÿ ø¼
é
ð
åØÚ
Figure 8
33/72
function and internal resistors for the V
systems can be constructed without having to include
high-accuracy voltage regulator circuit components.
(
adjust the liquid crystal display brightness. The V
can be calculated using equation A-1 over the range where
| V
VREG
5
| < | V
thermal gradients approximate -0.05%/°C)
OUT
|.
5
voltage regulator,
2002/07/22
é
5
é
××
voltage
È
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