參數資料
型號： UPD7228
廠商： NEC Corp.
英文描述： 1/8, 1/16 DUTY LCD CONTROLLER/DRIVER
中文描述： 1 / 8，1 / 16稅LCD控制器/驅動
文件頁數： 40/64頁
文件大小： 314K
代理商： UPD7228
Data Sheet S10299EJ4V0DS00
40
μ
PD16434
9. COMMANDS
The
μ
PD16434 offers the following 16 different commands, each consisting of 1 byte (8 bits) :
Table 9–1. List of Commands
Mnemonic
Operation
Hexadecimal code
SFF
Set Frame Frequency
10 to 14
SMM
Set Multiplexing Mode
18 to 1F
DISP OFF
Display Off
08
DISP ON
Display On
09
LDPI
Load Data Pointer with Immediate
80 to B1, C0 to F1
SRM
Set Read Mode
60 to 63
SWM
Set Write Mode
64 to 67
SORM
Set OR Mode
68 to 6B
SANDM
Set AND Mode
6C to 6F
SCML
Set Character Mode with Left entry
71
SCMR
Set Character Mode with Right entry
72
BRESET
Bit Reset
20 to 3F
BSET
Bit set
40 to 5F
CLCURS
Clear Cursor
7C
WRCURS
Write Cursor
7D
STOP
Set Stop Mode
01
9.1 LCD Display Mode Setting Commands
The following commands are provided for LCD display mode setting :
SFF (Set Frame Frequency)
SMM (Set Multiplexing Mode)
DISP OFF (Display Off)
DISP ON (Display On)
(1) SFF (Set Frame Frequency)
0
0
0
1
0
F
2
F
1
F
0
This command sets the frame frequency. The frame frequency will be the clock frequency input from the
CLOCK pin divided by the frequency dividing ratio specified by F
2
to F
0
.
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