SED1565 EPSON [Epson Company], SED1565 Datasheet - Page 59
SED1565
Manufacturer Part Number
SED1565
Description
Direct display of RAM data through the display data RAM
Manufacturer
EPSON [Epson Company]
Datasheet
1.SED1565.pdf
(87 pages)
- Current page: 59 of 87
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COMMAND DESCRIPTION
Instruction Setup: Reference (reference)
(1) Initialization
Note: With this IC, when the power is applied, LCD driving non-selective potentials V
and V
remaining in the smoothing capacitor connecting between the LCD driving voltage output pins (V
V
avoid occurrence of such a failure, we recommend the following flow when turning on the power.
* The target time of 5ms will result to vary depending on the panel characteristics and the capacitance of the smoothing
Notes: Refer to respective sections or paragraphs listed below.
1
DD
capacitor. Therefore, we suggest you to conduct an operation check using the actual equipment.
When the built-in power is being used immediately after turning on the power:
pin, the picture on the display may become totally dark instantaneously when the power is turned on. To
4
*1: Description of functions; Resetting circuit
*2: Command description; LCD bias setting
*3: Command description; ADC selection
*4: Command description; Common output state selection
*5: Description of functions; Power circuit & Command description; Setting the built-in resistance radio
*6: Description of functions; Power circuit & Command description; Electronic volume control
*7: Description of functions; Power circuit & Command description; Power control setting
(COM pin) are output through the LCD driving output pins SEG and COM. When electric charge is
for regulation of the V
Function setup by command input (User setup)
Function setup by command input (User setup)
Function setup by command input (User setup)
Turn ON the V
RES pin = “L”.
(11) LCD bias setting *2
(8)
(15) Common output state selection *4
(17) Setting the built-in resistance radio
(18) Electronic volume control *6
(16) Power control setting *7
Release the reset state. (RES pin = “H”)
5
voltage
This concludes the initialization
ADC selection *3
for regulation of the V
When the power is stabilized
Initialized state (Default) *1
DD
-V
SS
EPSON
power keeping the
5
voltage *5
(In case of SED1565D
SED1566D
SED1568D
Arrange to execute all the procedures
from releasing the reset state through
setting the power control within 5ms.
(In case of other models) execute the
procedures from turning on the power
to setting the power control in 5ms.
2
and V
BB
BB
, SED1567D
and SED1569D
3
SED1565 Series
(SEG pin) and V
1
~ V
BB
,
BB
5
) and the
,
BB
)
8–57
1
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