參數(shù)資料
型號: MC68HC08GP8ACFB
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 8.2 MHz, MICROCONTROLLER, PQFP44
封裝: PLASTIC, QFP-44
文件頁數(shù): 122/126頁
文件大?。?/td> 4243K
代理商: MC68HC08GP8ACFB
MC68HC08GP8A
Data Sheet
MOTOROLA
Keyboard Interrupt (KBI) Module
95
Keyboard Interrupt (KBI) Module
Functional Description
Figu
re
8-2.
Keyb
oard
Modu
le
Block
Dia
g
ra
m
KB0
IE
KB7
IE
.
KEYBOA
R
D
INTERRUPT
DQ
CK
CL
R
V
DD
MODEK
IMASKK
REQUES
T
VECT
OR
F
E
TCH
DEC
ODER
A
CKK
IN
TERNAL
BUS
RE
SET
TO
PULL
UP
ENABLE
KBD7
KBD0
TO
PULL
UP
ENABLE
SYNC
HRONIZER
KEYF
A
d
r.
R
eg
is
te
rN
am
e
B
it
7
654321
B
it
0
$001
A
Ke
ybo
ard
St
atus
and
Contro
l
Regist
er
(INTKBSC
R)
.
R
ea
d:
0000
K
E
Y
F
0
IMASKK
MOD
E
K
Write:
AC
KK
R
es
et
:
00000000
$001
B
Keyb
oard
Inte
rr
up
tEn
abl
e
Regi
ster
(I
NTKBIER)
.
Re
ad:
KBIE7
KBIE6
KBIE5
KBIE4
KBIE3
KBIE2
KBIE1
KBIE0
Write:
R
es
et
:
00000000
=
Unim
ple
m
ent
ed
Figure
8-3.
I/O
Registe
rSum
m
ary
F
re
e
sc
a
le
S
e
m
ic
o
n
d
u
c
to
r,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
c
..
.
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