EM78P157N
8-Bit Microcontroller with OTP ROM
PCRD
Q
P
R
D
_
Q
CLK
C
L
PCWR
PORT
0
M
U
1
X
Q
P
R
D
_
CLK
C
Q
L
PDWR
PDRD
IOD
NOTE: Pull-down is not shown in the figure
Fig. 4-4(a) I/O Port and I/O Control Register Port 5 Circuit Diagram
PCRD
P 6 0 /IN T
PO R T
B it 6 o f IO C E
D
P
R
Q
CLK _
C
L
Q
0
M
1
U
X
Q
P
R
D
_ CLK
QC
L
PCW R
Q
P
R
D
_ CLK
QC
L
PDW R
PDRD
IO D
T 10
D
P
R
Q
CLK _
C
L
Q
IN T
NOTE: Pull-high/down and open-drain are not shown in the figure
Fig. 4-5(b) I/O Port and I/O Control Register P60 (/INT) Circuit Diagram
14 •
Product Specification (V1.0) 09.22.2005
(This specification is subject to change without further notice)