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PDF PCF2111CP Data sheet ( Hoja de datos )
| Número de pieza | PCF2111CP | |
| Descripción | LCD drivers | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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INTEGRATED CIRCUITS
DATA SHEET
PCF21xxC family
LCD drivers
Product specification
Supersedes data of 1995 May 03
File under Integrated Circuits, IC12
1997 Mar 28
1 page  
Philips Semiconductors
LCD drivers
Product specification
PCF21xxC family
handbook, full pagewidth
DLEN
CLB
DATA
32-SEGMENT LCD
BP S1 to S32
38 36 to 5
BACKPLANE AND SEGMENT DRIVERS
40
1 BUS
39 CONTROL
LATCHES
AND
DRIVER CONTROL
SHIFT
REGISTER
ANALOG
VOLTAGE
OSCILLATOR
AND
DIVIDER
PCF2112C
2 VDD
CO
3
OSC
1.5
nF
RO 1 MΩ
4
V SS
MLD287
Fig.3 Block diagram; PCF2112C.
1997 Mar 28
5
5 Page 
Philips Semiconductors
LCD drivers
7.6 Input circuitry
handbook, halfpaBgUeS DRIVER
VDD2
VDD
PCF21XXC
R
100 kΩ
VSS VSS
MLD284
Product specification
PCF21xxC family
VSS line is common. In systems where it is expected that VDD2 > VDD1 + 0.5 V, a resistor should be inserted to reduce the current flowing through the
input protection. Maximum input current ≤40 µA.
Fig.10 Input circuitry.
7.7 Expansion
handbook, full pagewidth
LCD
DATA
CLB
DLEN1
DLEN2
DLEN3
BP1 BP2 S1 to S32
VDD
DLEN
CLB PCF2111C OSC
DATA
MASTER
VSS
BP1 BP2 S1 to S32
DLEN
CLB
PCF2111C OSC
DATA
SLAVE1
VSS
BP1 BP2 S1 to S32
DLEN
CLB
PCF2111C OSC
DATA
SLAVE1
VSS
MLD293
By connecting OSC to VSS the BP pins become inputs and generate signals synchronized to the single oscillator frequency, thus allowing expansion of
several members of the PCF21xxC family up to the BP drive capability of the master. The PCF2112C can only function as a master for other PCF2112Cs.
Fig.11 Expansion possibility (using PCF2111C).
1997 Mar 28
11
11 Page | ||
| Páginas | Total 24 Páginas | |
| PDF Descargar | [ Datasheet PCF2111CP.PDF ] | |
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