PCF2113EU2 datasheet(26/72 Pages) PHILIPS

26 / 72 page

2001 Dec 19

Philips Semiconductors

Product speciﬁcation

LCD controllers/drivers

PCF2113x

Table 6

Explanations of symbols used in Tables 4 and 5.

BIT

LOGIC STATE 0

LOGIC STATE 1

last control byte; see Table 4

another control byte follows after data/command

4 bits

8 bits

M (no impact,

if SL = 1)

1-line by 24 display

2-line by 12 display

MUX 1 : 18 (1

× 24 or 2 × 12 character display)

MUX1:9 (1

× 12 character display)

use basic instruction set

use extended instruction set

I/D

decrement

increment

display freeze

display shift

display off

display on

cursor off

cursor on

cursor character blink off; character at cursor

position does not blink

cursor character blink on; character at cursor

position blinks

S/C

cursor move

display shift

R/L

left shift

right shift

L (no impact,

if M = 1 or

SL = 1)

left/right screen: standard connection

left/right screen; mirrored connection

1st 12 characters of 24; columns are from 1 to 60

2nd 12 characters of 24; columns are from 1 to 60 2nd 12 characters of 24; columns are from 60 to 1

column data: left to right; column data is displayed

from 1 to 60

column data; right to left; column data is displayed

from 60 to 1

row data; top to bottom; row data is displayed from

1 to 16 and icon row data is in 17 and 18

row data; bottom to top; row data is displayed

from 16 to 1 and icon row data is in 18 and 17

character mode; full display

icon mode; only icons displayed

icon blink disabled

icon blink enabled

direct mode disabled

direct mode enabled

set VA

set VB

8.1

Clear display

‘Clear display’ writes character code 20H into all DDRAM

addresses (the character pattern for character code 20H

must be a blank pattern), sets the DDRAM address

counter to logic 0 and returns the display to its original

position, if it was shifted. Thus, the display disappears and

the cursor or blink position goes to the left edge of the

display. Sets entry mode I/D = 1 (increment mode). S of

entry mode does not change.

The instruction ‘clear display’ requires extra execution

time. This may be allowed by checking the Busy Flag (BF)

or by waiting until the 165 clock cycles have elapsed.

The latter must be applied where no read-back options are

foreseen, as in some Chip-On-Glass (COG) applications.

8.2

Return home

‘Return home’ sets the DDRAM address counter to logic 0

and returns the display to its original position if it was

shifted. DDRAM contents do not change. The cursor or

blink position goes to the left of the first display line.

I/D and S of entry mode do not change.

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