參數(shù)資料
型號: HCD66731A01BP
廠商: Hitachi,Ltd.
英文描述: Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
中文描述: 點陣液晶顯示控制器/驅動器支持日語漢字,韓文字體顯示
文件頁數(shù): 78/131頁
文件大?。?/td> 5332K
代理商: HCD66731A01BP
HD66730/HD66731
77
Table 18
Instruction Registers
Reg. Index
No.
Code
Execution
Clock
Cycle
(Hex) Register R/W RS
DB7 DB6 DB5
DB4
DB3 DB2 DB1 DB0 Description
IR
Index
(IDR)
0
0
ID3
ID2
ID1
ID0
Designates the
register number of the
instruction register to
access. ID = 0000: R0
to 1001: R9
12
SR
Status
(STR)
1
0
BF
NF1 NF0
LF3
LF2
LF1
LF0
Indicates the busy flag
(BF), display read line
position (NF1/0),
display read raster-
row position(NL0 to
NL3).
0
R0
0
Entry
mode
(EMR)
0
1
0
0
0
0
0
I/D
RM1 RM0 Designates RAM
address in
crementation or
decrementation (I/D)
and RAM selection
(RM1/0).
12
R1
1
Function
set
(FSR)
0
1
0
BST EXT2 EXT1 DT1
DT0 0
DCL Clears display (DCL)
and initializes the
DDRAM address.
Selects duty drive
ratio(DT1/0), enables
extension driver
(EXT2/1) and sets the
booster operation on.
DCL = 1:
492
Other: 12
R2
2
Cursor
control
(CCR)
0
1
0
0
0
0
CHM C
CM1 CM0 Designates cursor-on
(C) and cursor display
mode(CM1/0).
Executes cursor home
(CHM) instruction.
12
R3
3
Display
control 1
(DCR1)
0
1
0
0
0
0
0
ST
DC
DS
Designates standby
mode (ST), character
display on (DC), and
segment display on
(DS).
12
R4
4
Display
control 2
(DCR2)
0
1
0
0
NC1
NC0
0
0
NL1 NL0
Sets the number of
display
characters(NC1/0) and
display lines(NL1/0).
12
R5
5
Scroll
control 1
(SCR1)
0
1
0
SN1 SN0
0
SL3
SL2 SL1 SL0
Sets the display start
line (SN1/0) and start
raster-row (ST0 to
ST3).
12
R6
6
Scroll
control 2
(SCR2)
0
1
0
0
PS1
PS0
SE4
SE3 SE2 SE1
Designates partial
scroll columns (PS1/0)
and scroll display line
enable(SE1 to SE4).
12
R7
7
Scroll
control 3
(SCR3)
0
1
0
0
SQ5
SQ4
SQ3 SQ2 SQ1 SQ0 Sets the number of
dots to be scrolled
(SQR0 to SQR5).
12
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