Datasheet

Keyboard Interrupt (S08KBIV1)
MC9S08GT16A/GT8A Data Sheet, Rev. 1
Freescale Semiconductor 101
7.1.3 KBI Block Diagram
Figure 7-3 shows the block diagram for a KBI module.
Figure 7-3. KBI Block Diagram
7.2 Register Definition
This section provides information about all registers and control bits associated with the KBI module.
Refer to the direct-page register summary in the Memory chapter of this data sheet for the absolute address
assignments for all KBI registers. This section refers to registers and control bits only by their names. A
Freescale-provided equate or header file is used to translate these names into the appropriate absolute
addresses.
KEYBOARD
INTERRUPT
DQ
CK
CLR
V
DD
KBIMOD
KBIE
KEYBOARD
INTERRUPT FF
REQUEST
KBACK
RESET
SYNCHRONIZER
KBF
STOP BYPASS
STOP
BUSCLK
KBIPEn
0
1
S
KBEDGn
KBIPE0
KBIPE3
KBIPE4
0
1
S
KBEDG4
KBIP0
KBIP3
KBIP4
KBIPn