
1
4
P
P
L
P
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Table 14
8-bit operation, 2-line display example; using internal reset
STEP
INSTRUCTION
DISPLAY
OPERATION
1
power supply on (PCF2103 is initialized by the internal reset
function)
initialized; no display appears
2
function set
sets to 8-bit operation; selects 2-line display and voltage
generator off
RS
0
display on/off control
R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
0
0
1
1
1
0
0
0
3
turns on display and cursor; entire display is blank after
initialization
_
0
0
0
0
0
0
1
1
1
0
4
entry mode set
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
_
0
0
0
0
0
0
0
1
1
0
5
‘write data’ to CGRAM/DDRAM
writes ‘P’; the DDRAM has already been selected by
initialization at power-on; the cursor is incremented by 1
and shifted to the right
P_
1
0
0
1
0
1
0
0
0
0
6 to 10
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11
‘write data’ to CGRAM/DDRAM
writes ‘S’
PHILIPS_
1
0
0
1
0
1
0
0
1
1
12
set DDRAM address
sets DDRAM address to position the cursor at the head of
the 2nd line
PHILIPS
_
0
0
1
1
0
0
0
0
0
0
13
‘write data’ to CGRAM/ DDRAM
writes ‘M’
PHILIPS
M_
1
0
0
1
0
0
1
1
0
1
14 to 19
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