PCF2105MU datasheet(42/48 Pages) PHILIPS

42 / 48 page

1998 Jul 30

Philips Semiconductors

Product speciﬁcation

LCD controller/driver

PCF2105

Table 10 Initialization by instruction; 8-bit interface (note 1)

Note

1. X = don’t care.

STEP

DESCRIPTION

Power-on or unknown state

Wait 2 ms after VDD rises above VPOR

R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 BF cannot be checked before this instruction; function

set (interface is 8-bits long)

00011

XXXX

Wait 2 ms

R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 BF cannot be checked before this instruction; function

set (interface is 8-bits long)

00011

XXXX

Wait more than 40

µs

R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 BF cannot be checked before this instruction; function

set (interface is 8-bits long)

00011

XXXX

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 3)

R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 function set (interface is 8-bits long); specify the

number of display lines

00011

R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 display off

000001000

R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 clear display

000000001

R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 entry mode set

0000001

I/D

Initialization ends

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