PCF2114 查看數據表（PDF） - Philips Electronics

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PCF2114

LCD controller/drivers

Philips Electronics 

Table 9 Initialization by instruction, 8-bit interface (note 1)

STEP

DESCRIPTION

power-on or unknown state

|

wait 2 ms after VDD rises above VPOR

|

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 3).

RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 Function set (interface is 8-bits long). Specify the number of display lines and

0

0

0

0

1

1

NMG

0 voltage generator characteristic.

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.

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