em78p156n ELAN Microelectronics Corp, em78p156n Datasheet - Page 18

• Manufacturer Part Number: em78p156n
• Description: 8-bit Micro-controller
• Manufacturer: ELAN Microelectronics Corp

This specification is subject to change without prior notice.
T10
T11
T17
P61~P67
PORT
/SLEP
Fig. 7(c) Block Diagram of I/O Port 6 with Input Change Interrupt/Wake-up
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
D
CLK
IOCE.1
P
R
C
L
Q
Q
_
1
0
M
U
X
18
D
CLK
P
R
Q
Q
Q
Q
_
_
C
L
R
P
R
C
L
P
Q
Q
CLK
C
L
_
PCRD
CLK
D
D
D
CLK
RE.1
P
R
C
L
PCWR
PDWR
PDRD
Q
Q
_
Q
Q
_
P
R
C
(Wake-up from SLEEP)
L
CLK
(Wake-up from SLEEP)
D
IOD
Next Instruction
ENI Instruction
Interrupt
DISI Instruction
TIN
Interrupt
EM78P156N
OTP ROM
07.29.2004 (V1.2)