EM78P259N/260N
8-Bit Microprocessor with OTP ROM
PCRD
P
Q
D
R
PCWR
CLK
_
Q
C
L
P
IOD
PORT
Q
D
R
PDWR
CLK
_
Q
C
L
PDRD
0
1
M
U
X
NOTE: Open-drain is not shown in the figure.
Fig. 6-2 I/O Port and I/O Control Register Circuit for Port 6 and Port7
PCRD
P
Q
_
D
R
PCWR
PDWR
CLK
Q C
L
IOD
P
Q
PORT
D
R
_
CLK
Q C
Bit 6 of IOCE
L
P
D
Q
R
0
1
M
U
X
_
Q
CLK
C
L
PDRD
INT
NOTE: Open-drain is not shown in the figure.
Fig. 6-3 I/O Port and I/O Control Register Circuit for P60 (/INT)
30 •
Product Specification (V1.0) 06.16.2005
(This specification is subject to change without further notice)