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PDF PCF8812 Data sheet ( Hoja de datos )

Número de pieza PCF8812
Descripción 65 x 102 pixels matrix LCD driver
Fabricantes NXP Semiconductors 
Logotipo NXP Semiconductors Logotipo



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No Preview Available ! PCF8812 Hoja de datos, Descripción, Manual

INTEGRATED CIRCUITS
DATA SHEET
PCF8812
65 × 102 pixels matrix LCD driver
Product specification
File under Integrated Circuits, IC12
2000 Nov 22

1 page




PCF8812 pdf
Philips Semiconductors
65 × 102 pixels matrix LCD driver
Product specification
PCF8812
6 PINNING
SYMBOL
RES
ROW 32 to
ROW 19
ROW 0 to
ROW 18
COL 0 to
COL 101
ROW 50 to
ROW 33
ROW 51 to
ROW 64
VDD1
VDD3
VDD2
OSC
SDIN
D/C
SCE
T2
SCLK
VSS2
VSS1
T1
T5
T4
VSS1
T3
VLCDIN
VLCDOUT
VLCDSENSE
PAD
1
2 to 15
DESCRIPTION
external reset input
(active LOW)
LCD row driver outputs
18 to 36 LCD row driver outputs
37 to 138
139 to 156
LCD column driver
outputs
LCD row driver outputs
159 to 172 LCD row driver outputs
174 to 179
180
181 to 193
194
195
196
197
198
199
200 to 213
214 to 217
218
219
220
221 and 222
223
224 to 229
230 to 236
237
16, 17, 157,
158 and 173
supply voltage 1
supply voltage 3
supply voltage 2
oscillator input
serial data input
data/command input
chip enable input
(active LOW)
test 2 output
serial clock input
negative power supply 2
negative power supply 1
test 1 input
test 5 input
test 4 input
negative power supply 1
test 3 input/output
LCD supply voltage
voltage multiplier output
voltage multiplier
regulation input (VLCD)
dummy pads
7 PIN FUNCTIONS
7.1 Pin functions
7.1.1 ROW 0 TO ROW 64 ROW DRIVER OUTPUTS
These pads output the row signals.
7.1.2 COL 0 TO COL 101 COLUMN DRIVER OUTPUTS
These pads output the column signals.
7.1.3 VSS1 AND VSS2: NEGATIVE POWER SUPPLY RAILS
The 2 supply rails VSS1 and VSS2 must be connected
together.
7.1.4 VDD1 TO VDD3: POSITIVE POWER SUPPLY RAILS
VDD2 and VDD3 are the supply voltage for the internal
voltage generator. Both have the same voltage and may
be connected together outside of the chip. VDD1 is used as
supply for the rest of the chip. VDD1 can be connected
together with VDD2 and VDD3 but in this case care must be
taken to respect the supply voltage range
(see Chapter 13).
If the internal voltage generator is not used then VDD2 and
VDD3 must be connected to VDD1 or connected to power.
7.1.5 VLCDIN: LCD POWER SUPPLY
Positive power supply for the liquid crystal display.
An external LCD supply voltage can be supplied using the
VLCDIN pad. In this case VLCDOUT has to be left open-circuit
and the internal voltage generator has to be programmed
to zero. If the PCF8812 is in Power-down mode, the
external LCD supply voltage has to be switched off.
7.1.6 VLCDOUT: LCD POWER SUPPLY
Positive power supply for the liquid crystal display. If the
internal voltage generator is used, the two supply rails
VLCDIN and VLCDOUT must be connected together. If an
external supply is used this pin must be left open-circuit.
7.1.7
VLCDSENSE: VOLTAGE MULTIPLIER REGULATION
INPUT (VLCD)
VLCDSENSE is the input of the internal voltage multiplier
regulation.
If the internal voltage generator is used then VLCDSENSE
must be connected to VLCDOUT. If a external supply voltage
is used then the VLCDSENSE can be let open-circuit or
connected to ground.
2000 Nov 22
5

5 Page





PCF8812 arduino
Philips Semiconductors
65 × 102 pixels matrix LCD driver
Product specification
PCF8812
handbook, halfpMagSeB (DB7)
data
LSB (DB0)
data
MGT639
Fig.7 General format of data stream.
handbook, full pagewidth
function set (H = 1)
bias system
set VOP
temperature control
function set (H = 0) display control
Y address
X address
MGT640
Fig.8 Example of serial data stream.
handbook, full pageSwCidEth
D/ C
SCLK
SDIN
2000 Nov 22
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
Fig.9 Serial bus protocol transmission of one byte.
11
MGT641

11 Page







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