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参数资料
| 型号： | 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： | 键盘编码器为Windows 95，98 |
| 文件页数： | 17/20页 |
| 文件大小： | 116K |
| 代理商： | EM83050 |
* This specification are subject to be changed without notice.
EM83050H
KEYBOARD ENCODER
6
9.16.1999
Preliminary
- Responds ACK.
- Clears output buffer.
- Sets all key type (affect only scan code set 3 operation).
F7 : Typematic
F8 : Make/Break
F9 : Make
FA : Typematic/Make/Break
- Returns to previous scanning rate.
Set Key Type ( Hex FB,FC,FD )
- Responds ACK.
- Clears output buffer.
- Receives key ID byte
- Responds ACK.
- Sets key ID type (affect only scan code set 3 operation).
FB : Typematic
FC : Make/Break
FD : Make
- Returns to previous scanning rate.
Resend ( Hex FE )
- Sends the previous output again. If the previous byte is RESEND, the last byte before RESEND shall be sent.
Reset ( Hex FF )
- Responds ACK.
- Checks clock and data lines - Reset in the high state for at least 500 microseconds or receives another command.
- Default to scan code set 2.
Command to the system
The following are the keyboard output commands.
Acknowledge ( Hex FA )
The keyboard sends an acknowledge in response to any valid command from the system except for RESEND
and ECHO.
BAT Completion Code ( Hex AA )
This command is issued after successful completion of keyboard self test.
Echo ( Hex EE )
The keyboard sends this code in response to an ECHO command.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| EM83050H | 制造商:EMC 制造商全称:ELAN Microelectronics Corp 功能描述:KEYBOARD ENCODER |
| EM83053 | 制造商:EMC 制造商全称:ELAN Microelectronics Corp 功能描述:KEYBOARD ENCODER |
| EM83053A | 制造商:EMC 制造商全称:ELAN Microelectronics Corp 功能描述:KEYBOARD ENCODER |
| EM83053AH | 制造商:EMC 制造商全称:ELAN Microelectronics Corp 功能描述:KEYBOARD ENCODER |
| EM83053BH | 制造商:EMC 制造商全称:ELAN Microelectronics Corp 功能描述:KEYBOARD ENCODER |
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