pcf2119x-2 NXP Semiconductors, pcf2119x-2 Datasheet - Page 47

• Manufacturer Part Number: pcf2119x-2
• Description: Controllers/drivers
• Manufacturer: NXP Semiconductors

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Table 15 8-bit operation, 1-line display and icon example; using external reset (character set ‘A’)
STEP
10
12
13
11
1
2
3
4
5
6
7
8
9
power supply on (PCF2119x is initialized by the external
reset)
function set
RS
0
display mode on/off control
0
entry mode set
0
set CGRAM address
0
‘write data’ to CGRAM/DDRAM
1
set CGRAM address
0
‘write data’ to CGRAM/DDRAM
1
function set
0
icon control
0
function set
0
R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
0
0
0
INTRODUCTION
1
0
0
0
0
1
0
1
0
1
1
0
0
0
0
1
0
1
0
1
0
1
0
0
1
0
1
0
1
0
0
1
1
0
0
0
0
0
0
0
0
1
1
0
1
0
1
0
1
0
0
0
0
0
0
0
0
1
0
1
_
_
_
_
_
_
_
_
_
DISPLAY
|
|
|
|
initialized; no display appears
sets to 8-bit operation, selects 1-line display and
V
turns on display and cursor; entire display is blank after
initialization
sets mode to increment the address by 1 and to shift the
cursor to the right at the time of the write to the
DD/CGRAM; display is not shifted
sets the CGRAM address to position of character 0; the
CGRAM is selected
writes data to CGRAM for icon even phase; icons appears
sets the CGRAM address to position of character 4; the
CGRAM is selected
writes data to CGRAM for icon odd phase
sets H = 1
icons blink
sets H = 0
LCD
= V
0
OPERATION