PCF2103 Datasheet, PDF (49/56 Pages) NXP Semiconductors – LCD controllers/drivers

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Table 16 Initialization by instruction, 8-bit interface (note 1)
STEP
DESCRIPTION
power-on or unknown state
|
wait 2 ms after V_DD rises above V_POR
|
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 BF cannot be checked before this instruction
0 0 0 0 1 1 X X X X function set (interface is 8 bits long)
|
wait 2 ms
|
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 BF cannot be checked before this instruction
0 0 0 0 1 1 X X X X function set (interface is 8 bits long)
|
wait more than 40 µs
|
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 BF cannot be checked before this instruction
0 0 0 0 1 1 X X X X function set (interface is 8 bits long)
|
BF can be checked after the following instructions; when BF is not checked,
|
the waiting time between instructions is the specified instruction time
(see Table 4)
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 function set (interface is 8 bits long); specify the number of display lines
0 0 0 0 1 1 0M0H
0 0 0 0 0 0 1 0 0 0 display off
0 0 0 0 0 0 0 0 0 1 clear display
0 0 0 0 0 0 0 1 I/D S entry mode set
|
Initialization ends
Note
1. X = don’t care.