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KS0071B Schematic ( PDF Datasheet ) - Samsung semiconductor

Teilenummer KS0071B
Beschreibung 32COM/60SEG DRIVER & CONTROLLER
Hersteller Samsung semiconductor
Logo Samsung semiconductor Logo 




Gesamt 18 Seiten
KS0071B Datasheet, Funktion
KS0071B
32COM/60SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
INTRODUCTION
The KS0071B is a dot matrix LCD controller & driver LSI which is fabricated by low power CMOS technology,
designed to drive a split screen dot matrix LCD display of 1 line  24 characters or 2 line  24
characters with 57 dots format.
FEATURES
Character type dot matrix single chip LCD controller & driver
High voltage LCD driver 32 common and 60 segment signal output.
Easy interface with a 4 bit or 8 bit MPU.
Internal memory
-. Character generator ROM : 8400bits ( 240 characters for 57 dots )
-. Character generator RAM : 512 bits ( 8 patterns for 57 dots )
-. Display data RAM : 640 bits ( 808 bits for 80 characters )
Maximum display characters
-. 1 line, 1/16 duty, 57 dots + cursor, 24 characters.
-. 2 line, 1/32 duty, 57 dots + cursor, 24 characters .
A customer character pattern can be programmable by mask option.
. The special character pattern can be programmable by character generator RAM directly.
It is possible to read both character generator and display data RAM from MPU.
Useful 11 code instruction set
Automatic power on reset function
On chip generation of LCD supply voltage from voltage doubler ( external supply also possible )
.Voltage doubler generates about double from single power supply ( 5V)
High contrast display can be performed though the simple power supply circuits.
On chip oscillator requires external resistor ( external clock also possible )
Power supply voltage: +5V10%, +3V20%
Supply voltage for display: -5V
Package outline: 118 TAB or bare chip available.






KS0071B Datasheet, Funktion
KS0071B
32COM/60SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
MAXIMUM ABSOLUTE LIMIT
Description
Operating Voltage
Driver Supply Voltage
Input Voltage
Power Dissipation
Operating Temperature
Storage Temperature
Symbol
VDD
V1 ~ V5
VIN
PD
TOPR
TSTG
Value
- 0.3 ~ + 7.0
VDD- 13.5 ~ VDD + 0.3
- 0.3 ~ VDD + 0.3
500
- 30 ~ + 85
- 55 ~ + 125
. Voltage greater than above may damage the circuit
. The voltage relation : VDDVCIV5V5OUT, VDDVSSV5OUT, VSS = 0V
Unit
-
-
-
mW


ELECTRICAL CHARACTERISTICS
DC Characteristics
Characteristic
Symbol
( VDD = +5V10%, VSS = 0V, Ta = -30 ~ +85 )
Condition
Min Typ Max Unit Applicable pin
Operating voltage
Supply current (*1)
VDD - 4.5 5.0 5.5 V
IDD Internal oscillation or
-
0.6 1.0 mA
external clock
-
-
Input voltage 1
High
Low
Input voltage 2
High
Low
Output voltage 1
High
Low
Output voltage 2
High
Low
Voltage drop (*2)
COM
SEG
Input Leakage Current
Low Input Current
VIH1
VIL1
VIH2
VIL2
VOH1
VOL1
VOH2
VOL2
VdCOM
VdSEG
IIL1
IIL2
IIN
VDD=5V
fOSC=270KHz
-
-
-
-
IOH=-0.205mA
IOL=1.6mA
IO=-40uA
IO=40uA
IO=0.1mA
VIN=0V or VDD
VIN=VDD
VIN=0V, VDD=5V
(Test pull up R)
2.3
-
VDD-1
-
2.4
-
0.9VDD
-
-
-
-1
-5
-50
-
-
-
-
-
-
-
-
-
-
-
-
-125
VDD
0.8
VDD
1.0
-
0.4
-
0.1VDD
1
1
1
5
-250
V
V
V
uA
E, DB0 ~ DB7,
R/W, RS
OSC1
DB0 ~ DB7
OSC2
COM1 ~ COM32
SEG1 ~ SEG60
E
RS, R/W, DB0~DB7
Internal Frequency (*3)
fIc
Rf=91k2%
190 270 350 KHz
OSC1,OSC2
External
Frequency
fEC
160 250 350
OSC1
clock
Duty
duty
-
45 50 55 %
(*4)
Rise, Fall
tr, tf
- - 0.2 
Voltage
Output
Voltage
V5OUT IOUT=5mA, Ta=25
-2.8 -3.9
-
V
V5OUT
doubler
(*5)
Voltage
IOUT=1mA, Ta=25
-4.5
-4.7
-
conv. rate
VEF
RL=
95 99.9 - %
Input
VCI
-
2.5 - 5.5 V
VCI
Voltage
LCD driving voltage(*6)
VLCD VLCD-V5
1/5 bias
1/6.7 bias
3.0
3.0
-
13.5
V
- 13.5
V1~V5

6 Page









KS0071B pdf, datenblatt
KS0071B
32COM/60SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
DISPLAY MODE DESCRIPTION
1) 1 Line Max. 24 character display ( function set N=L )
Normal DDRAM( HEX) line
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 14 15 16 17
• Shift left
[00-4F] 1line 
01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 14 15 16 17 18
display position
(DEC)
DDRAM address
(HEX)
DDRAM address
(HEX)
• Shift right
[00-4F] 1line 
4F 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 14 15 16
DDRAM address
(HEX)
2) 2 Line Max. 24 character display ( function set N=H )
Normal DDRAM( HEX) line
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
[00~27] 1line
display position
(DEC)
00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 14 15 16 17
40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F 50 51 52 53 54 55 56 57
DDRAM address
(HEX)
[40~67] 1line
• Shift left
[00~27] 1line
01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 14 15 16 17 18
41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F 50 51 52 53 54 55 56 57 58
DDRAM address
(HEX)
[40~67] 1line
• Shift right
[00~27] 1line
27 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 14 15 16
67 40 42 41 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F 50 51 52 53 54 55 56
[40~67] 1line
DDRAM address
(HEX)

12 Page





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