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Teilenummer | EKK8301 |
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Beschreibung | Keyboard Encoder | |
Hersteller | ELAN Microelectronics | |
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Gesamt 30 Seiten www.DataSheet4U.com
eKK8301
Keyboard Encoder
Product
Specification
DOC. VERSION 1.0
ELAN MICROELECTRONICS CORP.
August 2002
www.DataSheeKetK4U8.3co0m1
Keyboard Encoder
4 Pin Configuration
2 • Product Specification (V1.0) 08.07.2002
(This specification is subject to change without further notice)
6 Page www.DataSheeKetK4U8.3co0m1
Keyboard Encoder
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.
- Set 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.
8 • Product Specification (V1.0) 08.07.2002
(This specification is subject to change without further notice)
12 Page | ||
Seiten | Gesamt 30 Seiten | |
PDF Download | [ EKK8301 Schematic.PDF ] |
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