PCF2116CUSLASH12 datasheet(51/64 Pages) NXP

51 / 64 page

Table 10 Initialization by instruction, 4-bit interface. Not applicable for I2C-bus operation

STEP

DESCRIPTION

power-on or unknown state

wait 2 ms after VDD rises above VPOR

R/W

DB7

DB6

DB5

DB4

BF cannot be checked before this instruction.

000011

Function set (interface is 8-bits long).

wait 2 ms

R/W

DB7

DB6

DB5

DB4

BF cannot be checked before this instruction.

000011

Function set (interface is 8-bits long).

wait 40

µs

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 3).

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).

Specify number of display lines and voltage generator characteristic.

000000

001000

Display off.

000000

Clear display.

000001

000000

Entry mode set.

I/D

Initialization ends

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