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參數資料
| 型號： | EDE702 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Serial LCD Interface IC |
| 中文描述： | 液晶顯示器串行接口芯片 |
| 文件頁數： | 1/9頁 |
| 文件大?。?/td> | 458K |
| 代理商： | EDE702 |
For more information, or to purchase call E.C.C. Inc @ 1-800-214-8769
Page 1
EDE702 Serial LCD Interface IC
LCD Data Pin 4
LCD Data Pin 5
LCD Data Pin 6
LCD Data Pin 7
Connect to + 5V DC
Oscillator Connection
Oscillator Connection
Serial Receive
Digital Output
Connect to + 5V DC*
Connect to + 5V DC
Digital Ground
LCD Enable Line
LCD RS Line
LCD RW Line
No Connection
EDE702
BAUD
POLARITY
+ 5V
+ 5V
GND
Enable
RS
RW
N/C
D4
D5
D6
D7
+ 5V
OSC2
OSC1
RCV
OUT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
0= 2400,1= 9600
0= Inverted,1= Standard
The EDE702 Serial LCD Interface IC has been designed to provide a cost-effective LCD control
solution for a wide variety of embedded designs. Offering the most frequently used features of the
popular EDE700 IC (plus an added digital output line & lower crystal frequency), the EDE702
provides a tremendous price/ performance ratio. It allows nearly any text-based LCD module to be
controlled via a simple one-wire data link, freeing an additional 6 to 10 I/O lines on your
microcontroller/ microprocessor system - which frequently allows a smaller, less costly
microcontroller to be utilized in your design.
The EDE702 allows full LCD control, including the creation of custom characters. Also, in addition
to complete screen control, the EDE702 provides a convenient serial-controlled digital output pin
for lighting an indicator LED, driving a sounder, etc. With a 2400 or 9600 Baud rate and selectable
serial data polarity, the EDE702 can easily communicate with any device capable of sending
asynchronous serial data. Connection to most microcontrollers, stamps, or microprocessors can be
made using a single data wire without any type of voltage level conversion. Connection to a PC
requires only a 33K
resistor.
Some of the special features of the EDE702 are as follows:
RS232 and TTL-level compatible
Single-chip design allows for easy system integration
Compatible with most 1x8 to 2x40 character HD44780 controlled LCDs
Useable with LCDs having either 1x14 or 2x7 connector configuration
Allows direct control of all LCD module functions
Offers serial-controlled digital output line
Selectable data polarity eliminates necessity of RS-232 voltage converter
2400/9600 Baud data rates
Available in 18 pin DIP or SOIC packages
Cost-effective in OEM applications
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