UPD16434 NEC, UPD16434 Datasheet - Page 40

• Manufacturer Part Number: UPD16434
• Description: 1/8/ 1/16 DUTY LCD CONTROLLER/DRIVER
• Manufacturer: NEC

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