參數(shù)資料
型號(hào)： SED122ADXA
元件分類(lèi)： 顯示控制器
英文描述： 16 X 60 DOTS DOT MAT LCD DRVR AND DSPL CTLR, UUC165
封裝： DIE-165
文件頁(yè)數(shù)： 38/50頁(yè)
文件大?。?/td> 398K
代理商： SED122ADXA
SED1220
EPSON
4–43
SED1220
Instruction Setup Example
(Reference Only)
(1) Initial setup
VDD-VSS power ON
Power regulation
Input of reset signal
Waiting for 10 sec or more
Waiting for 20msec or more 2)
End of initialization
Command status
Static display control: Off
Display on/off control: Off
Power save: Off
Power control: Off
System setup: Off
Electronic volume (0, 0, 0, 0, 0)
Static icon (0, 0, 0, 0, 0)
Others are undefined.
Command input:
(Asterisk indicates any command sequence.)
(1)
(2)
()
(5)
(6)
(7)
NOP command
System setup command
Electronic volume register setup
Address: 28H
Data: ( ,
,
)
Power save command
PS: Off (Power save)
O: On (Oscillation)
Power control commands
P, VF, VC: On
RAM address setup 1)
Data writing 1)
Command input
(8) Display on/off control command 3)
D: On (Display)
Data input
(9) Static icon control 3)
Address: 20H
Data: ( ,
,
)
Address: 21H
Data: ( ,
,
)
(2) Display mode
Notes
1) Commands (6) and (7) initialize the RAM. The display contents must first be set. The non-display area
must satisfy the following conditions (for RAM clear).
DDRAM: Write the 20H data (character code).
CGRAM: Write the 00H data (null data).
Symbol register: Write the 00H data (null data).
As the RAM data is unstable during reset signal input (after power-on), null data must be written. If not,
unexpected display may result.
2) Since it is specified based on rise characteristics of the booster, power control and voltage follower
circuits, time to be set differs depending on external capacity. Be sure to set it after the external capacity
is confirmed.
3) A display of the dynamic drive series is turned on when the on command is input and the static icon is
turned on using the static icon control command.
To turn both on at the same time when the display is turned on, execute display on/off command and
static icon control within 1 frame period.
End of initialization
Input of RAM address setup command
Input of RAM (data) write command
Display of written data
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