1
3
P
P
L
P
This text is here in white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here in
_
white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here inThis text is here in
white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader. white to force landscape pages to be ...
Table 7
Example of 8-bit operation; 1-line display; using internal reset (character set ‘M’)
STEP
INSTRUCTION
DISPLAY
OPERATION
1
power supply on (PCF2105 is initialized by the internal reset
function)
function set
RS
R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
0
0
0
1
display control
RS
R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
0
0
0
0
entry mode set
RS
R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
0
0
0
0
write data to CGRAM or DDRAM
RS
R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
1
0
1
1
0
write data to CGRAM or DDRAM
RS
R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
1
0
1
1
0
initialized; no display appears
2
sets to 8-bit operation; selects 2
×
12 display
1
0
0
0
0
3
_
turns display and cursor on; entire display is blank after
initialization
0
1
1
1
0
4
_
sets mode to increment the address by 1 and to shift the cursor
to the right at the time of the write to the DDRAM or CGRAM;
display is not shifted
0
0
1
1
0
5
P_
writes ‘P’; the DDRAM has already been selected by
initialization at power-on; the cursor is incremented by 1 and
shifted to the right
1
0
0
0
0
6
PH_
writes ‘H’
0
1
0
0
0
7
|
|
|
8
write data to CGRAM or DDRAM
RS
R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
1
0
1
1
0
entry mode set
RS
R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
0
0
0
0
write data to CGRAM or DDRAM
RS
R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
1
0
0
0
1
write data to CGRAM or DDRAM
RS
R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
1
0
1
1
0
PHILIPS_
writes ‘S’
1
0
0
1
1
9
PHILIPS_
sets mode for display shift at the time of write
0
0
1
1
1
10
HILIPS_
writes space
0
0
0
0
0
11
ILIPS M_
writes ‘M’
0
1
1
0
1