pcf8814 NXP Semiconductors, pcf8814 Datasheet - Page 34
pcf8814
Manufacturer Part Number
pcf8814
Description
Pcf8814 65 X 96 Pixels Matrix Lcd Driver
Manufacturer
NXP Semiconductors
Datasheet
1.PCF8814.pdf
(72 pages)
- Current page: 34 of 72
- Download datasheet (390Kb)
Philips Semiconductors
11.8
The bias voltage levels (see Fig.33) are a function of the
row voltage F and ‘a’ where:
Depending on the value of p, the bias levels are set
according to the following ratios:
When p = 2, the bias level is: R
When p = 4, the bias level is: R
The value of
2003 Mar 13
F
F G
F
--- -
G
F
handbook, full pagewidth
65
=
=
=
V
-------------
G a
------------- -
a
-- -
p
LCD
Bias levels
2
p
96 pixels matrix LCD driver
is in the range from 0.15 to 1.35.
R
R
R
R
R
R
p = 4
R
2R
R
V LCD = F
V COL(max) = G
V1H
VC
V1L
V COL(min) = G
V SS = F
2R
R
R
R
Fig.33 Bias system.
R
34
The value of F is determined by (2 + 4)
of G is determined by 4R.
Also from:
or:
the relationship between a and
given by:
This leads to the bias settings given in Table 19. The bias
can be selected in software and also programmed by OTP.
a
--- -
G
F
=
=
=
a
-- -
p
R
R
R
R
R
R
-- -
--- - 1
G
2
F
p = 2
=
+
–
1
--------------------------------
2
V LCD = F
V COL(max) = G
VC
V COL(min) = G
V SS = F
p
+
2
4R
4
R
MCE009
=
=
--------------------- -
2
a
-- - 1
p
–
4
+
4
for a given value of p is
Objective specification
2
=
1
+
PCF8814
R, and the value
-- -
2
Related parts for pcf8814
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
NXP Semiconductors designed the LPC2420/2460 microcontroller around a 16-bit/32-bitARM7TDMI-S CPU core with real-time debug interfaces that include both JTAG andembedded trace
Manufacturer:
NXP Semiconductors
Datasheet:
Part Number:
Description:
NXP Semiconductors designed the LPC2458 microcontroller around a 16-bit/32-bitARM7TDMI-S CPU core with real-time debug interfaces that include both JTAG andembedded trace
Manufacturer:
NXP Semiconductors
Datasheet:
Part Number:
Description:
NXP Semiconductors designed the LPC2468 microcontroller around a 16-bit/32-bitARM7TDMI-S CPU core with real-time debug interfaces that include both JTAG andembedded trace
Manufacturer:
NXP Semiconductors
Datasheet:
Part Number:
Description:
NXP Semiconductors designed the LPC2470 microcontroller, powered by theARM7TDMI-S core, to be a highly integrated microcontroller for a wide range ofapplications that require advanced communications and high quality graphic displays
Manufacturer:
NXP Semiconductors
Datasheet:
Part Number:
Description:
NXP Semiconductors designed the LPC2478 microcontroller, powered by theARM7TDMI-S core, to be a highly integrated microcontroller for a wide range ofapplications that require advanced communications and high quality graphic displays
Manufacturer:
NXP Semiconductors
Datasheet:
Part Number:
Description:
The Philips Semiconductors XA (eXtended Architecture) family of 16-bit single-chip microcontrollers is powerful enough to easily handle the requirements of high performance embedded applications, yet inexpensive enough to compete in the market for hi
Manufacturer:
NXP Semiconductors
Datasheet:
Part Number:
Description:
The Philips Semiconductors XA (eXtended Architecture) family of 16-bit single-chip microcontrollers is powerful enough to easily handle the requirements of high performance embedded applications, yet inexpensive enough to compete in the market for hi
Manufacturer:
NXP Semiconductors
Datasheet:
Part Number:
Description:
The XA-S3 device is a member of Philips Semiconductors? XA(eXtended Architecture) family of high performance 16-bitsingle-chip microcontrollers
Manufacturer:
NXP Semiconductors
Datasheet:
Part Number:
Description:
The NXP BlueStreak LH75401/LH75411 family consists of two low-cost 16/32-bit System-on-Chip (SoC) devices
Manufacturer:
NXP Semiconductors
Datasheet:
Part Number:
Description:
The NXP LPC3130/3131 combine an 180 MHz ARM926EJ-S CPU core, high-speed USB2
Manufacturer:
NXP Semiconductors
Datasheet:
Part Number:
Description:
The NXP LPC3141 combine a 270 MHz ARM926EJ-S CPU core, High-speed USB 2
Manufacturer:
NXP Semiconductors
Part Number:
Description:
The NXP LPC3143 combine a 270 MHz ARM926EJ-S CPU core, High-speed USB 2
Manufacturer:
NXP Semiconductors
Part Number:
Description:
The NXP LPC3152 combines an 180 MHz ARM926EJ-S CPU core, High-speed USB 2
Manufacturer:
NXP Semiconductors
Part Number:
Description:
The NXP LPC3154 combines an 180 MHz ARM926EJ-S CPU core, High-speed USB 2
Manufacturer:
NXP Semiconductors
Part Number:
Description:
Standard level N-channel enhancement mode Field-Effect Transistor (FET) in a plastic package using NXP High-Performance Automotive (HPA) TrenchMOS technology
Manufacturer:
NXP Semiconductors
Datasheet: