|
|
Part: IZ0066
Category:
Optoelectronics
-> Drivers/Controllers
-> LCDs
-> LCD Controllers and Drivers
Description:
Company: IK Semiconductor
Datasheet: Download IZ0066 datasheet File size : 522 kB
Request For quote: Find where to buy IZ0066
Datasheet text preview:
DOT MATRIX LCD CONTROLLER & DRIVER
IZ0066
FEATURES
· Internal Memory Character Generator ROM: 8320 bits Character Generator RAM: 512 bit 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 · 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
· Internal automatic reset circuit at power ON · Internal oscillation circuit · Power Supply Voltage: +5V ± 10% · LCD Driving Voltage for display: 0 ~ -5V(V5) · Duty factor selection (selected by programs) 1/8 duty: 5 x 7 dots format 1 line, 1/11 duty: 5 x 10 dots format 1 line 1/16 duty: 5 x 7 dots format 2 line · Bare chip available · Pin-to-Pin replacement for KS0066, HD44780, SED1278
DESCRIPTION
The IZ0066 is a dot matrix liquid crystal display controller & driver LSI that displays alphanumerics, characters and symbols. It drives dot matrix LCD under microcomputer control. All functions needed for dot matrix LCD drive are internally provided on one chip.
ODERING INFORMATION
Type IZ0066 - 00 IZ0066 - 01 IZ0066 - XX English English Numberal Numberal Custom font (XX ROM code) CGROM Japanese Cyrillic
ABSOLUTE MAXIMUM RATINGS
Characteristic Power Supply Voltage Driver Supply Voltage Input Voltage Operating Temperature Storage Temperature Notes: Must keep the relation of VDD V1 V2 V3 V4 V5 Symbol VDD V1 ~ V5 VI Ta Tstg Value - 0.3 ~ 7.0 VDD - 13.5 ~ VDD + 0.3 -0.3 ~VDD + 0.3 - 20 ~ + 75 - 55 ~ + 125 Unit V V V
o o
C C
1
1
DOT MATRIX LCD CONTROLLER & DRIVER
IZ0066
BLOCK DIAGRAM
P o w er su p p l y fo r LCD D riv e
V1 V2 V3 V4 V5
5 5
P a ra ll l/ S e ri l e a D a ta con v e rsio n C ircu it
B u sy F la g
C h a ra cter G e n e ra to r ROM 8 3 2 0 b its
C h a ra cter G e n e ra to r RAM 5 1 2 b its
C u rso r B lin k C o n tro l C ircu it
D B 0~ D B 3 4 D B 4~D B 7 4
8 8
I/ O B u ffe r R /W RS E
8
8
SEG 1
D a ta R e g iste r
8 7
4 0 - b it S h ift 40 R e g iste r
S e g m e n t to G 40 4 0 - b it SE L a tc h 4 0 S ig n a l 4 0 D r iv e r C irc u it
7
In stru ctio n R e g iste r 8
In stru ctio n D eco d e r
D isp la y D a ta R A M 8 0 x 8 b its
D
7
7
7
A d d re ss C o u n te r 1 6 - b it S h ift 16 R e g iste r
7
C om m on C O M 16 S ig n a l 16 D riv e r
CO M 1 to
O SC1 O SC2 T im in g G e n e ra tio n C ircu it CLK 1 CLK 2 M
V DD V SS
2
2
DOT MATRIX LCD CONTROLLER & DRIVER
IZ0066
ELECTRICAL CHARACTERISTICS
(Ta = 25oC, VDD = +5V, VSS = 0V unless otherwise specified) Characteristic Operating Voltage Operating Current (*1) HIGH Input Voltage Symbol VDD IDD Internal oscillation or external clock fOSC = 270KHz E, DB0 ~ DB7, R/W, RS OSC1 LOW Input Voltage VIL E, DB0 ~ DB7, R/W, RS OSC1 HIGH Output Voltage VOH VOL VCOM VSEG Input Leakage Current Input LOW Current Frequency(*1) External Clock Duty Rise time Fall time Internal Clock Frequency(*1) Ceramic Resonator Oscillation Frequency (*1) LCD Driving Voltage (*2) ILKG IIL fEC DUTY tR tF fOSC1 fOSC2 VLCD1 VLCD2 Notes: *1). Oscillation circuit Resistor circuit
O SC 1 Rf R f: 91k + 2 %
F req u en cy inp u t op en
Test Condition
Applicable Terminals
Min 4.5
Ty p
Max 5 .5
Unit V
0.35 2.2 VDD-1.0 -0.3 -0.2 2.4 0.9VDD
0.6 VDD VDD 0 .6 1 .0 V V
VIH
V
IOH = -0.205 mA IOH = -40µA IOL = 1.2mA IOL = 40µA IO = ± 0.1mA VIN =0V ~ VDD VCC = 5V (test pull up R)
DB0 ~ DB7 CLK1, CLK2, M, D DB0 ~ DB7 CLK1, CLK2, M, D COM1 ~ COM16 SEG1 ~ SEG40 E RS, R/W, DB7 DB0 ~
LOW Output Voltage
0.4 0.1VDD 1 .0 1 .0 -1 -50 125 -125 250 50 1 -250 350 55 0.2 0.2
V
Driver Voltage Descending
V µA µA KHz % µs µs KHz
OSC1
46
Rf = 91K ± 2%
OSC1, OSC2
190 245
270 250
350 255 10.0 10.0
VDD V5
1/5 bias 1/4 bias
V1 ~ V5
4.6 3.0
V
External clock circuit
O SC 1 O SC 2
O SC 2
*2). Input the voltage listed in table below to V1 ~ V5 Duty Bias 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. VDD VLCD/5 VDD 2VLCD/5 VDD 3VLCD/5 VDD 4VLCD/5 VDD VLCD 1/8, 1/11 1/4 1/16 1/5
3
3
Others parts begin by iz
IZ-1
|
|
|
