PCF2119VU-2-F2 Ver la hoja de datos (PDF) - NXP Semiconductors.

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PCF2119VU-2-F2

LCD controllers/drivers

NXP Semiconductors. 

NXP Semiconductors

PCF2119x

LCD controllers/drivers

Table 44. Initialization by instruction, 4-bit interface; not applicable for I2C-bus operation

Step Instruction

Description

RS R/W DB7 DB6 DB5 DB4

1

power-on or unknown state

2

wait 2 ms after internal reset has been applied

3

Function_set

interface is 8 bits long; BF cannot be checked

0 0 0 0 1 1 before this instruction

4

wait 2 ms

5

Function_set

interface is 8 bits long; BF cannot be checked

0 0 0 0 1 1 before this instruction

6

wait more than 40 µs

7

Function_set

interface is 8 bits long; BF cannot be checked

0 0 0 0 1 1 before this instruction

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 11)

8

Function_set

0 0 0 0 1 0 set interface to 4 bit long

interface is 8 bit long

9

Function_set

0 0 0 0 1 0 set interface to 4 bits long

0 0 0 M 0 H specify number of display line

10

Display_ctl

000000

0 0 1 0 0 0 display off

11

Clear_display

000000

000001

12

Entry_mode_set

000000

0 0 0 1 I_D S

:

13

Initialization ends

PCF2119X_5

Product data sheet

Rev. 05 — 13 August 2009

© NXP B.V. 2009. All rights reserved.

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