|
Silan Microelectronics |
SC230
GENERAL 32X3 SEG LCD DISPLAY DRIVER WITH 1/3 DUTY
DESCRIPTIONS
SC230 is a general-purpose external LCD driver.
FEATURES
* Support max. 32×3 LCD SEG
* Support max. 24 keys input
* 1/3 duty, 1/2 bias
* Key input and LCD output can be processed at the same time
* SEG0/P1~SEG3/P4 can be as LCD or common output
APPLICATIONS
* LCD driver
ORDERING INFORMATION
Device
SC230
Package
QFP-64-14 X 20-1.0
QFP-64-14x20-1.0
BLOCK DIAGRAM
11 12
Xout
Xin
www.DataSheet4U.com 16 RESET
XTout
15
XTin
14
OSC
KS1
24
21
KS4
25 DO
KI1
27
I/O ports
8-bit timer/
Counter 0
WDT
Basic
timer
Clock
timer
Interrupt control
ALU
Instruction
register
PC
PSW
SP
32
KI6
288 x 4-Bit
RAM
2/4 K Bytes
ROM
Input ports
BIAS
5
VLC0 6
LCD
driver/
controller
8
VLC2
COM2
3
1
COM0
SEG31
64
33
SEG0
GND
10
VDD
9
DI CLK
19 18
HANGZHOU MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.4 2004.08.03
Page 1 of 14
SC230
ABSOLUTE MAXIMUM RATING(Tamb=25°C)
Characteristics
Power Supply
Input Voltage
Output Voltage
Operating Temperature
Storage Temperature
Symbol
VDD
VI
VO
Topr
Tstg
Ratings
-0.3~6.5
-0.3~VDD+0.3
-0.3~VDD+0.3
-20~+70
-40~+125
Unit
V
V
V
°C
°C
ELECTRICAL CHARACTERISTICS (Tamb=25°C,VSS=0v)
Characteristics
Operating Voltage
Input VTG[H]
Input VTG[L]
Oscillator Frequency
Data Set Time
Data Hold Time
High Pulse Width
Low Pulse Width
CE Wait Time
CE Set Time
CE Hold Time
DO Delay Time
Symbol
VDD
VIH1
VIH2
VIL
fosc
tds
tdh
tφH
tφL
tcp
tcs
tch
tdc
Test Conditions
KI1~KI6
VDD=5V, R=33kΩ
Min.
4.5
0.8VDD
0.7VDD
0
26
26
26
26
26
26
26
10
Typ.
2.0
Max.
6.0
VDD
VDD
0.3VDD
1524
1524
1524
1524
1524
1524
1524
20
Unit
V
V
V
V
MHz
µs
µs
µs
µs
µs
µs
µs
µs
www.DataSheet4U.com
CE
CL
DI
DO
tL tH
tds tch
tcp tcs
DO DI
tdc
tch
HANGZHOU MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.4 2004.08.03
Page 2 of 14
|