PCF2119AU/2DA/2 NXP [NXP Semiconductors], PCF2119AU/2DA/2 Datasheet - Page 13

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

NXP Semiconductors
PCF2119X_5
Product data sheet
Fig 5.
state 3
COL 3 - ROW 1 to ROW 16
V
V
V
Waveforms for the 1:2 multiplex drive mode; icon mode
D
state
on(RMS)
off(RMS)
=
(t) = V
state 1
COL 1 - ROW 17
state 2
COL 2 - ROW 17
--------- -
V
V
off
= 0.745V
= 0.333V
on
COL
ROW 17
ROW 18
ROW 1 to 16
COL 1
COL 2
COL 3
COL 4
=
(t)
2.23
LCD
LCD
ON/OFF
ON/OFF
ON/OFF
ON/OFF
V
ROW
.
.
0.66V
0.33V
0.33V
0.66V
0.66V
0.33V
0.33V
0.66V
0.66V
0.33V
0.33V
0.66V
(t).
V
V
V
V
2/3
1/3
V
V
2/3
1/3
V
V
2/3
1/3
V
V
2/3
1/3
V
V
2/3
1/3
V
V
2/3
1/3
V
V
2/3
1/3
V
V
V
V
LCD
SS
LCD
SS
LCD
SS
LCD
SS
LCD
SS
LCD
SS
LCD
SS
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
0
0
0
Rev. 05 — 13 August 2009
frame n
frame n +1
COL 1
LCD controllers/drivers
COL 2
PCF2119x
driven (MUX 1: 2)
© NXP B.V. 2009. All rights reserved.
only icons are
state 1 (ON)
state 2 (OFF)
state 3 (OFF)
013aaa142
13 of 79