參數(shù)資料
型號: PC2119S
廠商: NXP Semiconductors N.V.
英文描述: KPTC 18C 18#20 PIN PLUG
中文描述: LCD控制器/驅(qū)動器
文件頁數(shù): 20/60頁
文件大?。?/td> 260K
代理商: PC2119S
1
2
P
P
L
P
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Table 6
Instruction set with parallel bus commands; note 1
INSTRUCTION
RS
R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
DESCRIPTION
REQUIRED
CLOCK
CYCLES
H = 0 or 1
NOP
Function set
0
0
0
0
0
0
0
0
0
1
0
0
0
0
M
0
0
H
no operation
sets interface Data Length (DL) and number of
display lines (M); single line/MUX 1 : 9 (SL),
extended instruction set control (H)
reads the Busy Flag (BF) indicating internal
operating is being performed and reads address
counter contents
reads data from CGRAM or DDRAM
writes data from CGRAM or DDRAM
3
3
DL
SL
Read busy flag
and address
counter
Read data
Write data
0
1
BF
A
C
0
1
1
1
0
read data
write data
3
3
H = 0
Clear display
0
0
0
0
0
0
0
0
0
1
clears entire display and sets DDRAM address 0
in address counter
sets DDRAM address 0 in address counter; also
returns shifted display to original position; DDRAM
contents remain unchanged
sets cursor move direction and specifies shift of
display; these operations are performed during
data write and read
sets entire display on/off (D), cursor on/off (C) and
blink of cursor position character (B); D = 0
(display off) puts chip into the power-down mode
moves cursor and shifts display without changing
DDRAM contents
sets CGRAM address; bit 6 is to be set by the
command ‘set DDRAM address’; look at the
description of the commands
sets DDRAM address
165
Return home
0
0
0
0
0
0
0
0
1
0
3
Entry mode set
0
0
0
0
0
0
0
1
I/D
S
3
Display control
0
0
0
0
0
0
1
D
C
B
3
Cursor/display
shift
Set CGRAM
address
0
0
0
0
0
1
S/C
R/L
0
0
3
0
0
0
1
A
CG
3
Set DDRAM
address
0
0
1
A
DD
3
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