LC863264 Datasheet, PDF (8/20 Pages) Sanyo Semicon Device – 8-Bit Single Chip Microcontroller

Terminal
Port 7
P70
P71 - P73
Port 8
P84 - P87
NC
LC863264/56/48/40A
I/O
Function Description
•4-bit input/output port
I/O
Input or output can be specified for each bit
•Other function
P70 INT0 input/HOLD release input/
Nch-Tr. output for wachdog 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
rising falling rising/ H level L level vector
falling
INT0 enable enable disable enable enable 03H
INT1 enable enable disable enable enable 0BH
INT2 enable enable enable disable disable 13H
INT3 enable enable enable disable disable 1BH
•4-bit input/output port
I/O
Input or output can be specified for each bit
•Other function
AD converter input port (4 lines)
-
Unused terminal
Leave open
Option
• ^{Output form and existance 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
No.6694-8/20