參數資料
型號: M38857M8-XXXHP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP80
封裝: 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80
文件頁數: 52/105頁
文件大?。?/td> 1403K
代理商: M38857M8-XXXHP
3885 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
47
Fig. 43 Block diagram of LPC interface function (1ch)
Input Control Circuit
Input Data
Bus Buffer [7:4]
LPC control register (LPCCON)
U7i
U6i
U5i
U4i
XA2iU2i
IBFiOBFi
b6
b5
b4
b3
Interrupt Generate
Circuit
Interrupt signal
IBF, OBE
P82/LAD2
P83/LAD3
P81/LAD1
P80/LAD0
P84/LFRAME
Input Data
Bus Buffer [3:0]
Output Data
Bus Buffer [7:4]
Output Data
Bus Buffer [3:0]
P86/LCLK
Output Control Circuit
P85/LRESET
0
L
P
C
D
a
ta
B
u
s
In
p
u
t
D
a
ta
C
o
m
p
a
ra
to
r
T
A
R
re
g
is
te
r
S
Y
N
C
re
g
is
te
r
Data bus buffer status register
St
a
rt
re
g
is
te
r
R
D
/W
R
re
g
is
te
r
A
d
re
s
re
g
is
te
r
H
A
d
re
s
re
g
is
te
r
H
L
A
d
re
s
re
g
is
te
r
L
H
A
d
re
s
re
g
is
te
r
L
In
te
rn
a
l
C
P
U
B
u
s
b2b1b0
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