Motorola M68HC08 Designer Reference Manual page 10

USB and PS/2 Multimedia Keyboard Interface
1.4.1 Key Matrix
Designer Reference Manual
10
Freescale Semiconductor, Inc.
Figure 1-3. Keyboard PCB
PTB0 PTB1 PTB2 PTB3 PTB4 PTB5 PTB6 PTB7 PTC0 PTC1 PTC2 PTC3 PTC4 PTC5 PTC6 PTC7 PTE0
7
PTA0 End 9 8 4
+
PTA1 Home F8 6 5
=
PTA2 App B
N
<
>
PTA3 M V
. ,
G
H
PTA4
F6
J
PTA5 ENT L K F
PTA6 F7 ] } Y T
PTA7 + O I U R
Figure 1-4. 107-Key Matrix
USB and PS/2 Multimedia Keyboard Interface
For More Information On This Product,
Go to: www.freescale.com
Page PWR
1
3 2
SLEEP
Down Dwn
Page
~
INS DEL
F2 F1
Up
`
Num
*
C X Z /
Lck
F4
ESC
. 0 SPC
D S A 3 2 1 R
SFT
Caps
6 5 4 L
F3 TAB
SFT
Lck
7
E W Q 9 8 WAKE
PTE2
Prnt
0
F5 F10
Scr
_
Lctrl F9
-
?
R F12
ALT
/
R ENT
CTRL
"
L
ALT
F11
'
: |
R
GUI
; \
Bck
L [ {
GUI
Spc
Scrl
Pause P
Lck
DRM014 — Rev 0
MOTOROLA