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STEP

DESCRIPTION

Power-on or unknown state

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RS

R/W

DB7

DB6

DB5

DB4

BF cannot be checked before this instruction

000011

function set (interface is 8 bits long)

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Wait 2 ms

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RS

R/W

DB7

DB6

DB5

DB4

BF cannot be checked before this instruction

000011

function set (interface is 8 bits long)

|

Wait 40

µs

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RS

R/W

DB7

DB6

DB5

DB4

BF cannot be checked before this instruction

000011

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

function set (set interface to 4 bits long)

000010

interface is 8 bits long

000010

function set (interface is 4 bits long)

0

0

0

M

0

H

specify number of display lines

000000

001000

display off

000000

clear display

000001

000000

entry mode set

0001

I/D

S

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Initialization ends