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IZ44780 데이터시트 PDF




IK Semiconductor에서 제조한 전자 부품 IZ44780은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 IZ44780 기능
기능 By using segment common diriver 1Z0065 number of column increase to 400
제조업체 IK Semiconductor
로고 IK Semiconductor 로고


IZ44780 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.



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IZ44780 데이터시트, 핀배열, 회로
m TECHNICAL DATA
t4U.co IN44780DOT MATRIX LIQUID CRYSTAL DISPLAY
eeCONTROLLER & DRIVER
taShFEATURES
aInternal Memory
.D- Character Generator ROM: 8320 bits
w- Character Generator RAM: 512 bit
ww- Display Data RAM: 80 x 8 bits for 80 digits
FUNCTION
Character type dot matrix LCD driver & controller
Internal driver: 16 common and 40 segment signal output
Display character format: 5 x 7 dots + cursor,
5 x 10 dots + cursor
Internal automatic reset circuit at power ON
Internal oscillation circuit
mPower Supply Voltage: +5V ± 10%
oLCD Driving Voltage for display: 0 ~ -5V(V5)
.cDuty factor selection (sselected by programs)
1/8 duty: 5 x 7 dots format 1 line,
U1/11 duty: 5 x 10 dots format 1 line
1/16 duty: 5 x 7 dots format 2 line
t4Bare chip available
Pin-to-Pin replacement for KS0066, HD44780,
eSED1278
Easy interface with a 4-bit or 8-bit MPU
Display character pattern:
5 x 7 dots format: 192 kinds, 5 x 10 dots format: 32 kinds
The special character pattern can be programmable by
Character Generator RAM directly
A customer character pattern can be programmable by mask
option
Wide range of instruction function:
Display clear, Cursor home, Display ON/OFF, Display shift
Cursor ON/OFF, Display character blink, Cursor shift
eDESCRIPTION
hThe IZ44780 is a dot matrix liquid crystal display controller & driver LSI that displays alphanumerics,
characters and symbols.
SIt drives dot matrix LCD under microcomputer control. All functions needed for dot matrix LCD drive are internally
taprovided
on one chip.
aODERING INFORMATION
.DType
IZ44780 – 00
English
wIZ44780 – 01
English
wwIZ44780 – XX
CGROM
Numberal
Numberal
Custom font (XX – ROM code)
Russian
Japanese
mABSOLUTE MAXIMUM RATINGS
oCharacteristic
Symbol
Value
.cPower Supply Voltage
UDriver Supply Voltage
t4Input Voltage
eeOperating Temperature
hStorage Temperature
VDD
V1 ~ V5
VI
Ta
Tstg
- 0.3 ~ 7.0
VDD - 13.5 ~ VDD + 0.3
-0.3 ~VDD + 0.3
- 20 ~ + 75
- 55 ~ + 125
www.DataSNotes: Must keep the relation of VDD V1 V2 V3 V4 V5
Unit
V
V
V
oC
oC
1




IZ44780 pdf, 반도체, 판매, 대치품
IZ44780
Resistor circuit
OSC1
OSC2
Rf
Rf: 91k+ 2%
External clock circuit
OSC1
OSC2
Frequency input
open
*2). Input the voltage listed in table below to V1 ~ V5
Duty
1/8, 1/11
Bias 1/4
Power supply
V1 VDD – VLCD/4
V2 VDD – VLCD/2
V3 VDD – VLCD/2
V4 VDD – 3VLCD/4
V5 VDD – VLCD
*VLCD is the LCD driving voltage, refer to the initial set of the instruction code.
AC CHARACTERISTICS (VDD = 5V, VSS = 0V, Ta = 25oC)
(1) Write mode (Writing data from MPU to IZ44780)
Characteristic
E Cycle Time
E Rise Time
E Fall Time
E Pulse Width (High, Low)
R/W and RS Set-up Time
R/W and RS Hold Time
Data Set-up Time
Data Hold Time
Symbol
tC
tR
tF
tW
tSU1
tH1
tSU2
tH2
Test pin
E
E
E
E
R/W, RS
R/W, RS
DB0 ~ DB7
DB0 ~ DB7
Min
500
220
40
10
60
10
1/16
1/5
VDD – VLCD/5
VDD – 2VLCD/5
VDD – 3VLCD/5
VDD – 4VLCD/5
VDD – VLCD
Typ
Max
Unit
ns
25 ns
25 ns
ns
ns
ns
ns
ns
4

4페이지










IZ44780 전자부품, 판매, 대치품
IZ44780
TERMINAL DESCRIPTION
Pin
VDD
VSS
V1 – V5
SEG1–
SEG40
COM1–
COM16
OSC1
INPUT/OUTPU
T
Power
Output
Name
Operating Voltage
Negative Supply
Voltage
Segment output
Output
Common output
Input
Oscillator
OSC2 Output
CLK1
CLK2
Output
Data latch clock
Data shift clock
M Alternated signal
for LCD driver
output
D Display data
interface
DESCRIPTION
INTERFACE
For logical circuit (+5V ± 10%)
0V(GND)
Bias voltage level for LCD driving
Power
Supply
Segment signal output for LCD driving
LCD
Common signal output for LCD driving LCD
Both pin connected to Rf resistor or
ceramic resonator for internal oscillator
circuit. In case of external frequency use
only, the frequency is input to OSC1
terminal.
Clock output terminal for the serially
transferred data to be latched to the driver.
Clock output terminal used when D
terminal data output shifts the inside of the
driver.
The alternating signal to convert LCD
drive waveform to AC.
Resistor or
Ceramic
Resonator
HD44100,
KS0065,
IZ0065
Character pattern data, which is
corresponding to each common signal, is
supplied to driver serially.
High
Selection
Low Non selection
E Input
R/W
Enable
Read/Write
Start anable signal to read or write the data
R/W signal input is used to select the
read/write mode
High
Read mode
Low Write mode
MPU
RS
Register select
Register selection input
High Data register (for read
and write)
Low Instruction register (for
write), Busy flag,
address counter (for
read)
DB0
DB7
Input/Output
Data interface
Used for data transfer between the MPU
and IZ44780. These terminals are for data
bus with bidirectional three-state.
Initial 4 bit (DB0-DB3) are not used during
4 bit operation (DB7 can be used as a busy
flag)
7

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부품번호상세설명 및 기능제조사
IZ44780

By using segment common diriver 1Z0065 number of column increase to 400

IK Semiconductor
IK Semiconductor

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