PCF2119AU/2DA/2 NXP [NXP Semiconductors], PCF2119AU/2DA/2 Datasheet - Page 5

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

NXP Semiconductors
PCF2119X_5
Product data sheet
7.2 Pin description
Table 3.
Symbol
V
V
V
E
T1 and T2
V
V
V
V
V
dummy
R8 to R1,
R17,
R17DUP,
R18,
R9 to R16
C80 to C41,
C40 to C1
dummy
SCL
T3
POR
PD
SDA
DD1
DD2
DD3
SS1
SS2
LCDSENSE
LCDOUT
LCDIN
Pin description
Pin
1 to 6
7 to 14
15 to 18
19
20 and 21
22 to 29
30 to 35
36
37 to 43
44 to 49
50
51 to 58,
59,
100
141,
142 to 149
60 to 99,
101 to 140
150
151 and 152
153
154
155
156 and 157
Rev. 05 — 13 August 2009
[1]
[1]
[2]
[3]
[3]
[4]
[4]
[5]
[5]
Description
supply voltage 1 (logic)
supply voltage 2 (for high voltage generator)
supply voltage 3 (for high voltage generator)
data bus clock input
test pins
ground supply voltage 1
ground supply voltage 2
input for voltage multiplier regulation circuitry and for the bias
level generation
V
input for LCD bias level generator
-
LCD row driver output
LCD column driver output
-
I
test pin
external Power-On Reset (POR) input
power-down mode select
I
2
2
LCD
C-bus serial clock input
C-bus serial data input/output
•
•
•
•
•
•
•
•
•
•
•
•
•
•
set HIGH to signal the start of a read or write operation
data is clocked in or out of the chip on the negative edge
of the clock
must be connected to V
for all circuits, except of high voltage generator
for high voltage generator
if V
connected to V
if V
connected to V
if V
connected to V
if V
open-circuit
R17 has two pins: R17 and R17DUP
R17 and R18 drive the icons
open-circuit
not user accessible
for normal operation pin PD must be LOW
output
LCD
LCD
LCD
LCD
is generated internally then this pin must be
is generated externally then this pin must be
is generated internally then this pin must be
is generated externally then this pin must be left
LCDOUT
LCDIN
LCDIN
only
and to V
and V
SS1
LCDIN
LCDSENSE
LCD controllers/drivers
PCF2119x
© NXP B.V. 2009. All rights reserved.
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