參數(shù)資料
型號: EM83049
廠商: ELAN Microelctronics Corp .
英文描述: KEYBOARD ENCODER
中文描述: 鍵盤編碼器
文件頁數(shù): 1/17頁
文件大小: 96K
代理商: EM83049
1
* This specification are subject to be changed without notice.
EM83049
KEYBOARD ENCODER
5.2.1997
GENERAL DESCRIPTION
The EM83049 microcontroller is dedicated to a keyboard encoder ,specially designed for IBM PC AT,XT and
all compatible machines. The EM83049 controll all scan codes, three LEDs status, scan timing and communications
between the keyboard and PC. It is easy to implement a high performance, low cost keyboard with the minimal
external components.
FEATURES
Low cost - eliminate need external components.
Phantom key detects.
RC oscillator ( 1.8432MHz ).
Support scan code set 1 ,2 and 3.
Support PC AT,XT and PS/2 keyboard .
Low power CMOS device technology.
Internal pull-up resistor.
Tri-state outputs for easy board application.
40 Pin DIP package.
Built-in 4K ROM.
Support WINDOWS
TM
keys.
101/102/104 keys or other special application keyboard encoder.
WINDOWS is registered trademarks of Microsoft corperation.
APPLICATION
IBM PC/AT,XT or compatible machine keyboard.
IBM PS/2 model 30,50,60,80 or compatible machine keyboard.
Japanese keyboard.
Korean keyboard.
PIN ASSIGNMENTS
VSS
NC
DATA
CLK
P90
P91
NC
NC
XT
NC
P50
P51
P52
P53
P54
P55
P56
P57
P80
P81
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
OSCO
OSCR
VDD
CAPS
NUM
SCROLL
P67
P66
P65
P64
P63
P62
P61
P60
P87
P86
P85
P84
P83
P82
EM83049
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EM83050 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Keyboard encoder for Windows 95, 98
EM83050H 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:KEYBOARD ENCODER
EM83053 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:KEYBOARD ENCODER
EM83053A 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:KEYBOARD ENCODER
EM83053AH 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:KEYBOARD ENCODER