pcf2112ct-1 NXP Semiconductors, pcf2112ct-1 Datasheet - Page 11

• Manufacturer Part Number: pcf2112ct-1
• Description: Pcf21xxc Family Lcd Drivers
• Manufacturer: NXP Semiconductors

Philips Semiconductors
7.6
7.7
1997 Mar 28
handbook, full pagewidth
LCD drivers
V
input protection. Maximum input current 40 A.
By connecting OSC to V
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.
SS
line is common. In systems where it is expected that V
DLEN1
DLEN2
DLEN3
Input circuitry
Expansion
DATA
CLB
SS
DLEN
CLB
DATA
BP1
the BP pins become inputs and generate signals synchronized to the single oscillator frequency, thus allowing expansion of
BP2
PCF2111C
MASTER
handbook, halfpage
Fig.11 Expansion possibility (using PCF2111C).
S1 to S32
OSC
V DD
V SS
BUS DRIVER
DD2
Fig.10 Input circuitry.
> V
DD1
V DD2
V SS
DLEN
CLB
DATA
100 k
BP1
+ 0.5 V, a resistor should be inserted to reduce the current flowing through the
R
11
V DD
V SS
BP2
PCF2111C
SLAVE1
PCF21XXC
S1 to S32
LCD
MLD284
OSC
V SS
DLEN
CLB
DATA
BP1
PCF21xxC family
BP2
PCF2111C
SLAVE1
Product specification
S1 to S32
OSC
V SS
MLD293