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What is UPD16498?

This electronic component, produced by the manufacturer "NEC", performs the same function as "1/128 DUTY LCD CONTROLLER/DRIVER".


UPD16498 Datasheet PDF - NEC

Part Number UPD16498
Description 1/128 DUTY LCD CONTROLLER/DRIVER
Manufacturers NEC 
Logo NEC Logo 


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DATA SHEET
MOS INTEGRATED CIRCUIT
µPD16498
1/128 DUTY LCD CONTROLLER/DRIVER WITH FOUR-LEVEL GRAY SCALE, ON-CHIP RAM
DESCRIPTION
The µPD16498 is a controller/driver which includes display RAM for full-dot LCDs that can provide a four-level gray scale
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display. This IC is able to drive full-dot LCDs that contain up to 128 x 128 dots.
FEATURES
LCD controller/driver with on-chip display RAM
Full dot outputs: 128 segment outputs and 128 common outputs
Static icon outputs: 20 segment outputs and 2 common outputs (same signal is output)
Can operate using single power supply (logic system) in range from 1.7 to 3.6 V.
Selection of four levels of gray scales from among 33 possible levels (four-frame rate control + 8 pulse width
modulation)
Serial data input and 8-bit parallel data input (i80 series interface and M68 series interface)
Dot display RAM: 128 x 128 x 2 bits
On-chip booster: Switchable from x2 to x9 modes
Selectable bias levels: 1/12 to 1/7 bias (normal display), 1/6 or 1/5 bias (partial display)
Duty settings: 1/128 to 1/1 duty
On-chip voltage divider resistor
On-chip oscillator
ORDERING INFORMATION
Part Number
µPD16498P
µPD16498W
Package
Chip
Wafer
Remark Purchasing the chip/wafer entails the exchange of documents such as a separate memorandum or product
quality, so please contact one of our sales representative.
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
Document No. S15730EJ2V0DS00 (2nd Edition)
Date Published June 2002 NS CP(K)
2001

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UPD16498 equivalent
µPD16498
1. BLOCK DIAGRAM
SEG1
Data
register
SEG128
COM1
COM128
PCOM1 PCOM2
Segment driver
Common driver
Pictograph common driver
/RES
/CS1
CS2
C86
PSX
RDS
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/WR(R,/W)
P7(SI)
P6(SCL)
P5 to P0
RS
IRS
TM/S
TFR
TFRSYNC
TDOF
TSISYNC
SIGIN1
SIGIN2
TSTIFS
TSTRTST
TSTVIHL
TESTOUT
OSCIN1
OSCIN2
OSCOUT
TOSCSYNC
CLS
C1+, C1-
C9+, C9-
C1A
I/O
buffer
Segment
G/S and blink
control
Display data latch
Display data RAM
(128 x 128 x 2 bits)
Icon data RAM
(20 x 2 bits)
Address decoder
Command decoder
Register
Oscillator
circuit
Timing generator
D/A converter
DC/DC
converter
Op amp
Common
timing
generator
Pictograph
segment
driver
Pictograph
common
timing
generator
PSEG1
PSEG20
Segment
G/S and blink
timer
LCD voltage generator
VOUT VRS IRS VR AMPOUTP AMPOUT VLCD VLC1 VLC2 VLC3 VLC4
VDD1 VDD2 VSS
Remark /xxx indicates active low signals.
Data Sheet S15730EJ2V0DS
5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for UPD16498 electronic component.


Information Total 70 Pages
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Featured Datasheets

Part NumberDescriptionMFRS
UPD16498The function is 1/128 DUTY LCD CONTROLLER/DRIVER. NECNEC

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