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PDF ( 数据手册 , 数据表 ) LG83053S

零件编号 LG83053S
描述 Keyboard Encoder
制造商 LIZE
LOGO LIZE LOGO 


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LG83053S 数据手册, 描述, 功能
Shenzhen LIZE Electronic Technology Co., Ltd
SPECIFICATION
LG83053S
Keyboard Encoder
Version 1.1
reserves the right to change this documentation without prior







LG83053S pdf, 数据表
Tel:86-755-8835 3502/03/04
Website:http://www.lizhiic.com
Default Disable – F5 (hex)
2026- - Sends an ACK to the system.
2027- - Resets all conditions to power-on state.
2028- - Clears the output buffer.
2029- - Sets the default key type (scan code set 3 only).
2030- - Set the default typematic rate/delay.
2031- - Clears last typematic key.
2032- - Stops scanning and wait for commands,
Fax:86-755-8835 3509
LG83053S
PS/2 Keyboard
Enable – F4 (hex)
2033- - Sends and ACK to the system.
2034- - Clears the output buffer.
2035- - Clears the last typematic key.
2036- - Start scanning.
Set Typematic Rate/Delay – F3 (hex)
2037- - Sends an ACK to the system.
2038- - Receives rate/delay value byte
2039- - Sends and ACK to the system.
2040- - Set rate/delay.
2041- - Returns to previous scanning state.
Note:
2042- - Repeat period = (8+A) x (2B) x 0.00417 s
A – Binary value of bits 2, 1, and 0
B – Binary value of bits 4 and 3
2. Delay = (C +1) x 250 ms
C – Binary value of bits 6 and 5.Bit 7 is always 0.
B4~b0
00000
00001
00010
Typematic Rate
30.0
26.7
24.0
B4~b0
10000
10001
10010
Shenzhen LIZE Electronic Technology Co., Ltd
Version: 1.1
Typematic Rate
7.5
6.7
6.0
Date: 16. Jan. 2008
Page: 8 of 26







LG83053S equivalent, schematic
Tel:86-755-8835 3502/03/04
Website:http://www.lizhiic.com
Key
PAGE
DOWN
Base Case, or Shift
+ Nun Lock
Make/Break
E0 7A / E0 F0 7A
RIGHT
E0 74 E0 F0 74
Shift Case *
Make/Break
E0 F0 12 E0 7A
/E0 F0 7A E0 12
E0 F0 12 E0 74
/E0 F0 74 E0 12
Fax:86-755-8835 3509
LG83053S
PS/2 Keyboard
Num Lock Make/Break
E0 12 E0 7A
/E0 F0 7A E0 F0 12
E0 12 E0 74
/E0 F0 74 E0 F0 12
Key Scan Code Make/Break
(/) E0 4A / E0 F0 4A
Shift Case Make/Break *
E0 F0 12 E0 4A / E0 F0 4A E0 12
Key
PRINT
Scan Code
Make/Break
E0 12 E0 7C
/E0 F0 7C E0 F0 12
Ctrl Case, Shift Case
Make/Break
E0 7C / E0 F0 7C
Alt Case
Make/Break
84 / F0 84
Key
PAUSE
(Not typematic)
Make Code
E1 14 77 E1 F0 14 F0 77
Ctrl Key Pressed
E0 7E E0 F0 7E
Note * : If the left Shift key is held down, the F0 12/12 shift make and break is sent with the other
scan codes. If the right Shift key is held down, F0 59/59 is sent. If both Shift keys are down, both sets of
codes are sent with the other scan code.
Scan code set 3
Key
`(~)
1
2
3
4
5
6
7
8
9
0
-(_)
=(+)
BACKSPACE
Make Code
0E
16
1E
26
25
2E
36
3D
3E
46
45
4E
55
66
Break Code
F00E
F016
F01E
F026
F025
F02E
F036
F03D
F03E
F046
F045
F04E
F055
F066
Default Key State
Typematic
Typematic
Typematic
Typematic
Typematic
Typematic
Typematic
Typematic
Typematic
Typematic
Typematic
Typematic
Typematic
Typematic
Shenzhen LIZE Electronic Technology Co., Ltd
Version: 1.1
Date: 16. Jan. 2008
Page: 16 of 26










页数 26 页
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