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PDF eKK8011S Data sheet ( Hoja de datos )
| Número de pieza | eKK8011S | |
| Descripción | USB and USB and PS/2 Keyboard Encoder | |
| Fabricantes | ELAN Microelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de eKK8011S (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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eKK8011S
USB and PS/2
Keyboard Encoder
Product
Specification
DOC. VERSION 1.0
ELAN MICROELECTRONICS CORP.
Jan 2013
1 page  
eKK8011S
USB and PS/2 Keyboard Encoder
1 General Description
The eKK8011S is a high performance CMOS microcontroller specially designed for
keyboard encoder applications and functions both in USB and PS/2 interface
environment. For USB interface, it supports the USB standard request Version 2.0 as
well as HID class request Version 1.11. For PS/2 interface, it supports IBM PC AT and
all compatible machines as well as provides a 16-character first-in-first-out buffer in
which data is stored.
The eKK8011S controls all scan codes, three LED status, scan timing, and
communications between the keyboard and the PC. It brings together enhanced
features to ensure the easy implementation of high performance, low cost keyboard
with Internal RC Oscillator (IRC).
2 Features
Complies with USB specifications:
• Universal Serial Bus Specification Version 2.0
• USB Device Class Definition for Human Interface Device (HID), Firmware
Specification Version 1.11
Embedded Internal RC Oscillator (IRC)
Low cost: No external components required
Operating frequency: 6 MHz
Phantom key detection
Supports Scan Code Sets 1, 2, and 3 for PS/2
Supports HID Usage ID for USB
Supports PC PS/2 and USB keyboard
Supports USB Sleep Mode
Low power CMOS device technology
Internal pull-up resistor
Supports WindowsTM 95, 98, 2000, ME, XP, Vista, Windows 7, and Windows 8
Supports multi-media or other special application keyboard encoder
Supports 3 LEDS (Caps/Num/Scroll) change state to synchronize with PC status
when plugged into a PS2 port
Product Specification (V1.0) 01.31.2013
(This specification is subject to change without further notice)
•1
5 Page 
eKK8011S
USB and PS/2 Keyboard Encoder
Enable (Hex F4)
• Respond with ACK
• Clear output buffer
• Clear last typematic key
• Start scanning
Default Disable (Hex F5)
• Respond with ACK
• Reset all conditions to power-on state
• Clear output buffer
• Set the default key type (Scan Code Set 3 only)
• Set the default typematic rate/delay
• Clear the last typematic key
• Stop scanning
Set Default (Hex F6 )
• Respond with ACK
• Reset all conditions to power-on state
• Clear output buffer
• Set the default key type (Scan Code Set 3 only)
• Set the default typematic rate/delay
• Clear last typematic key
• Continue scanning
Set All Keys (Hex F7, F8, F9, FA)
• Respond with ACK
• Clear output buffer
• Set all key type (affects Scan Code Set 3 operation only)
F7: Typematic
F8: Make/Break
F9: Make
FA: Typematic/Make/Break
• Return to previous scanning rate
Set Key Type (Hex FB, FC, FD)
• Respond with ACK
• Clear output buffer
• Receive key ID byte
• Respond ACK
• Set key ID type (affects Scan Code Set 3 operation only)
Product Specification (V1.0) 01.31.2013
(This specification is subject to change without further notice)
•7
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet eKK8011S.PDF ] | |
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