S1D1 Epson Electronics America, Inc., S1D1 Datasheet - Page 313

• Manufacturer Part Number: S1D1
• Description: LCD Controller-driver With Built-in Character ROM
• Manufacturer: Epson Electronics America, Inc.

S1D15605 Series
8. 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.
8–58
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: 6. Description of functions; “Resetting circuit” (If takes not more than 2 ms from Power Supply ON to
*2: 7. Command description; “(11) LCD bias setting”
*3: 7. Command description; “(8) ADC selection”
*4: 7. Command description; “(15) Common output state selection”
*5: 6. Description of functions; “Power circuit” & Command description; “(17) Setting the built-in
*6: 6. Description of functions; “Power circuit” & Command description; “(18) Electronic volume control”
*7: 6. Description of functions; “Power circuit” & Command description; “(16) Power control setting”
(COM pin) are output through the LCD driving output pins SEG and COM. When electric charge is
the stability of internal oscillating circuit.)
resistance radio 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)
Release the reset state. (RES pin = HIGH)
Turn ON the V
RES pin = LOW.
(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
This concludes the initialization
ADC selection *3
for regulation of the V
When the power is stabilized
Initialized state (Default) *1
DD
-V
SS
power keeping the
5
voltage *5
5
voltage”
EPSON
(In case of S1D15605D11B
S1D15606D11B
S1D15608D11B
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.
*
*
and S1D15609D11B
, S1D15607D11B
2
and V
*
,
3
(SEG pin) and V
1
*
~ V
,
*
)
5
) and the
Rev. 2.4a
1