LCD Type MCU
V
D D
D a ta B it
D a ta B u s
D
C K
S
Q
W r ite D a ta R e g is te r
C h ip R e s e t
R e a d D a ta R e g is te r
S y s te m
W a k e -u p
W a k e - u p O p tio n
Q
W e a k
P u ll- u p
P A 4 ~ P A 7
PA4~PA7 Input/Output Ports
V
D D
W e a k
P u ll- u p
D a ta B u s
R e a d In p u t
T M R /T M
T M
T M
IN
IN
R 0
R 1
R 2
T 0
T 1
(P
(P
(P
(P
(P
B 2
B 3
B 4
B 0
B 1
o n
o n
o n
o n
o n
ly
ly
ly
ly
ly
)
)
)
)
)
P B 0
P B 1
P B 2
P B 2
P B 3
P B 4
P B 4
T 1
M R
M R
M R
M R
~ P B 7
/IN
/IN
/T
/T
/T
/T
T 0
(H
0 (
1 (
2 (
T 4
E x
E x
H T
9 R
c e
c e
4 9
3
p t
p t
R
0 A -1 /H T 4 9 C 3
H T 4 9 R 3 0 A -1
H T 4 9 R 3 0 A -1
U 8 0 /H T 4 9 C U
0 -1 /H T 4 9 C 3 0 L )
/H T 4 9 C 3 0 -1 /H T 4 9 C 3 0 L )
/H T 4 9 C 3 0 -1 /H T 4 9 C 3 0 L )
8 0 )
PB Input Port
V
D D
D a ta B it
D a ta B u s
D
C K
S
Q
Q
P u ll- H ig h O p tio n
C M O S /N M O S
O p tio n
W e a k
P u ll- u p
W r ite D a ta R e g is te r
C h ip R e s e t
P C 0 ~ P C 7
R e a d D a ta R e g is te r
PC Input/Output Port
46