EM78156E
8-Bit Microcontroller with MASK ROM
PCRD
P
Q
_
Q
D
D
R
CLK
PCWR
PDWR
C
L
P61~P67
PORT
IOD
P
Q
R
_
Q
CLK
C
L
0
1
M
U
X
TIN
PDRD
P
R
D
Q
CLK
_
Q
C
L
NOTE: Pull-high (down) and Open-drain are not shown in the figure.
Fig. 7(b) The Circuit of I/O Port and I/O Control Register for P61~P67
IOCE.1
P
Q
D
R
CLK
Interrupt
_
Q
C
L
RE.1
ENI Instruction
P
T10
T11
D
Q
R
P
CLK
Q
D
R
_
Q
C
CLK
L
_
Q
C
L
T17
DISI Instruction
Interrupt
(Wake-up from SLEEP)
/SLEP
Next Instruction
(Wake-up from SLEEP)
Fig. 7(c) Block Diagram of I/O Port 6 with Input Change Interrupt/Wake-up
14 •
Product Specification (V1.3) 07.29.2004
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
