Specification 3
Contents
1 Introduction ...................................................................................................... 6
1.1 General Description................................................................................. 6
1.2 Related Documents ................................................................................. 6
1.3 Nomenclature......................................................................................... 7
1.4 Keyboard Overview ................................................................................. 7
2 Mechanical interface........................................................................................... 9
2.1 Physical Dimensions ................................................................................ 9
2.2 Attachment Scheme ................................................................................ 9
2.3 Keyboard Cable .....................................................................................11
2.4 FLATNESS.............................................................................................14
2.5 Keyboard Pre-Bend Requirement .............................................................14
2.6 Microsoft Windows Vista™ Keycap Requirement.........................................15
3 Electrical and Firmware Interfaces ......................................................................16
3.1 Keyboard Matrixes .................................................................................16
3.2 Language Support..................................................................................20
3.3 Layouts ................................................................................................21
3.3.1 Layouts Using US Keyboard Matrix..............................................22
3.3.2 Layouts Using UK Keyboard Matrix..............................................25
3.3.3 Layout Using JA Keyboard Matrix................................................37
3.4 Function (Fn) Key Sequence Definitions ....................................................37
3.5 Power Requirement................................................................................38
3.6 Contact Resistance.................................................................................38
3.7 Key Switch Bounce.................................................................................38
4 Additional Information.......................................................................................39
Figures
Figure 1. Common Building Block Keyboard .......................................................... 6
Figure 2. Keyboard Diagram ............................................................................... 7
Figure 3. Keyboard Physical Dimensions ............................................................... 9
Figure 4. Keyboard Attach Features ....................................................................10
Figure 5. Keyboard Attach Features Physical Dimensions .......................................11
Figure 6. Keyboard Attached Cable Physical Dimensions (Detail A)..........................12
Figure 7. Keyboard Attached Cable Bending Instruction .........................................13
Figure 8. Keyboard Attached Cable Features (Detail B)..........................................14
Figure 9: CBB Keyboard with Pre-bend option .....................................................15
Figure 10. US Keyboard Matrix ...........................................................................17
Figure 11. UK Keyboard Matrix ...........................................................................18
Figure 12. JA Keyboard Matrix............................................................................19
Figure 13. Keyboard Layout – US........................................................................22
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