PCF2113X datasheet(52/65 Pages) NXP

52 / 65 page

PCF2113_FAM_4

Product data sheet

Rev. 04 — 4 March 2008

52 of 65

NXP Semiconductors

PCF2113x

LCD controllers/drivers

16.5 8-bit operation, 2-line display

For a 2-line display the cursor automatically moves from the ﬁrst to the second line after

the 40th digit of the ﬁrst line has been written. Thus, if there are only 8 characters in the

ﬁrst line, the DDRAM address must be set after the 8th character is completed (see

Table 24). It should be noted that both lines of the display are always shifted together;

data does not shift from one line to the other.

‘write data’ to CGRAM/DDRAM

writes ‘P’; the cursor is incremented

by 1 and shifted to the right

01010000P

‘write data’ to CGRAM/DDRAM

writes ‘H’

01001000PH

writes ‘ILIPS’

return home

returns both display and cursor to

the original position (address 0)

00000010

PHILIPS

Table 23.

8-bit operation, 1-line display and icon example; using internal reset (character set ‘A’) …continued

Step

Instruction

Display

Operation

R/W

DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0

Table 24.

8-bit operation, 2-line display example; using internal reset

Step

Instruction

Display

Operation

R/W

DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0

power supply on (PCF2113x is initialized by the internal reset)

initialized; no display appears

function set

sets to 8-bit operation, selects

1-line display and VLCD = VA

00110100

display control

turns on display and cursor;

entire display is blank after

initialization

00001110

entry mode set

sets mode to increment the

address by 1 and to shift the

cursor to the right at the time of

the write to the DDRAM/CGRAM;

display is not shifted

00000110

‘write data’ to CGRAM/DDRAM

writes ‘P’; the DDRAM has

already been selected by

initialization at power-on; the

cursor is incremented by 1 and

shifted to the right

01010000P

6 to 10

writes ‘HILIP’

‘write data’ to CGRAM/DDRAM

writes ‘S’

01010011

PHILIPS

sets DDRAM address

sets DDRAM to position the

cursor at the start of the 2nd line

11000000

PHILIPS

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