PCF2119AU/2DA/2 NXP [NXP Semiconductors], PCF2119AU/2DA/2 Datasheet - Page 31

• Manufacturer Part Number: PCF2119AU/2DA/2
• Description: LCD controllers/drivers
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
PCF2119X_5
Product data sheet
10.2.2.5 Curs_disp_shift
Bit D: The display is on when bit D = 1 and off when bit D = 0. Display data in the DDRAM
is not affected and can be displayed immediately by setting bit D = 1.
When the display is off (bit D = 0) the chip is in partial power-down mode:
Three oscillator cycles are required after sending the ‘display off’ instruction to ensure all
outputs are at V
during partial power-down mode (‘display off’) the chip can still execute instructions. Even
lower current consumption is obtained by inhibiting the oscillator (pin OSC to V
To ensure I
Recovery from power-down mode:
Bit C: The cursor is displayed when bit C = 1 and inhibited when bit C = 0. Even if the
cursor disappears, bit I_D and bit S (see
display data write. The cursor is displayed using 5 dots in the 8th line (see
Bit B: The character indicated by the cursor blinks when bit B = 1. The character blink is
displayed by switching between display characters and all dots on with a period of
approximately 1 second, with
Table 20.
Bit
RS
R/W
7 to 4
3
2
1 to 0
•
•
•
•
•
•
•
•
The LCD outputs are connected to V
The V
the parallel bus ports DB7 to DB0 should be connected to V
pins RS and R/W should be connected to V
pin PD should be connected to V
pin PD should be connected back to V
if necessary pin OSC should be connected back to V
a Display_ctl instruction with bit D = 1 should be sent
Symbol
-
-
SC
RL
-
LCD
Curs_disp_shift bit description
DD
generator and bias generator are turned off
< 1 A:
SS
, afterwards the oscillator can be stopped. If the oscillator is running
Rev. 05 — 13 August 2009
Value
0
0
0001
0
1
0
1
00
f
blink
=
DD
-------------- -
52224
f
osc
SS
Section
Description
see
fixed value
cursor move or display shift
shift or move to the right or left
fixed value
SS
move cursor
shift display
left shift or move
right shift or move
Table 10
DD
10.2.2.3) remain in operation during
or left open-circuit
DD
DD
LCD controllers/drivers
PCF2119x
© NXP B.V. 2009. All rights reserved.
Figure
SS
).
16).
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