LC863264C Datasheet, PDF (9/21 Pages) Sanyo Semicon Device – 8-bit 1-chip Microcontroller

LC863264C/56C/48C/40C/32C/28C/24C/20C/16C
Continued from preceding page.
Terminal
I/O
Function Description
Port 7
P70
P71 to P73
I/O
•4-bit input/output port
Input or output can be specified for each bit
•Other functions
P70
INT0 input/HOLD release input/
Nch-Tr. output for watchdog timer
P71
INT1 input/HOLD release input
P72
INT2 input/Timer 0 event input
P73
INT3 input (noise rejection filter connected)/
Timer 0 event input
Interrupt receiver format, vector addresses
INT0
INT1
INT2
INT3
Rising
enable
enable
enable
enable
Falling
enable
enable
enable
enable
Rising/
Falling
disable
disable
enable
enable
H level L level
enable
enable
disable
disable
enable
enable
disable
disable
Vector
03H
0BH
13H
1BH
Option
Port 8
P84 to P87
NC
I/O
•4-bit input/output port
Input or output can be specified for each bit
•Other function
AD converter input port (4 lines)
-
Unused terminal
Leave open
• Output form and existence of pull-up resistor for all ports can be specified for each bit.
• Programmable pull-up resistor is always connected regardless of port option, CMOS or N-ch open drain output in
port 1.
Port status in reset
Terminal
Port 0
Port 1
I/O
Pull-up resistor status at selecting pull-up option
I
Pull-up resistor OFF, ON after reset release
I
Programmable pull-up resistor OFF
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