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參數資料
| 型號： | EM83050 |
| 英文描述： | Dual Advanced Synchronous Rectified Buck MOSFET Drivers with Protection Features; Temperature Range: -40°C to 85°C; Package: 16-QFN T&R |
| 中文描述： | 鍵盤編碼器為Windows 95，98 |
| 文件頁數： | 1/20頁 |
| 文件大小： | 116K |
| 代理商： | EM83050 |
1
* This specification are subject to be changed without notice.
EM83050H
KEYBOARD ENCODER
9.16.1999
Preliminary
GENERAL DESCRIPTION
The EM83050H microcontroller is dedicated to a keyboard encoder ,specially designed for IBM PC XT/AT and
all compatible machines. The EM83050H 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 XT/AT and PS/2 keyboard .
Low power CMOS device technology.
Internal pull-up resistor.
Tri-state outputs for easy board application.
Built-in 4K ROM.
Support WINDOWSTM 95, 98 keys.
101/104/107 keys or other special application keyboard encoder.
WINDOWS is registered trademarks of Microsoft corperation.
APPLICATION
IBM PC XT/AT or compatible machine keyboard.
IBM PS/2 model 30,50,60,80 or compatible machine keyboard.
Japanese keyboard.
Korean keyboard.
Brazil keyboard.
PIN ASSIGNMENTS
P91
P92
P93
P94
P95
P50
P51
P52
P53
P54
6
7
8
9
10
11
12
13
14
15
36
35
34
33
32
31
30
29
28
27
NC
OSCI
VDD
CAPS
P55
P56
P57
P80
P81
P82
P83
P84
P85
P86
P87
16
17
18
19
20
21
22
23
24
25
26
5
4
3
2
1
40
39
38
37
NUM
SCROLL
P67
P66
P65
P64
P63
P62
P61
P60
EM83050H
P90
CLK
DATA
OSCO
GND
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 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 |
| EM83053BH | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:KEYBOARD ENCODER |
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