
2
5
P
P
L
P
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Table 15
8-bit operation, 2-line display example; using internal reset
STEP
INSTRUCTION
DISPLAY
OPERATION
1
power supply on (PCF2113x is initialized by the internal
reset)
function set
RS
R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
0
0
0
1
display on/off control
0
0
0
0
0
initialized; no display appears
2
sets to 8-bit operation; selects 2-line display and V
LCD
generator off
1
0
1
0
0
3
0
1
1
1
0
_
turns on display and cursor; entire display is blank after
initialization
4
entry mode set
0
0
0
0
0
0
0
1
1
0
_
sets mode to increment the address by 1 and to shift the
cursor to the right at the time of write to the CG/DDRAM;
display is not shifted
5
‘write data’ to CGRAM/DDRAM
1
0
0
1
0
1
0
0
0
0
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
writes ‘HILIP’
6 to 10
|
|
11
‘write data’ to CGRAM/DDRAM
1
0
0
set DDRAM address
0
0
1
1
0
1
0
0
1
1
PHILIPS_
writes ‘S’
12
1
0
0
0
0
0
0
PHILIPS
_
sets DDRAM address to position the cursor at the head of
the 2nd line
13
‘write data’ to CGRAM/ DDRAM
1
0
0
1
0
0
1
1
0
1
PHILIPS
M_
writes ‘M’
14 to 18
|
|
writes ‘ICROC’
19
‘write data’ to CGRAM/DDRAM
1
0
0
1
0
0
1
1
1
1
PHILIPS
MICROCO_
writes ‘O’