LC863864B Datasheet, PDF (9/20 Pages) Sanyo Semicon Device – 8-bit 1-chip Microcontroller

LC863864B/56B/48B/40B/32B/28B/24B/20B/16B
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 function
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
rising
falling
rising/
falling
H level
L level
INT0
enable enable disable enable enable
INT1
enable enable disable enable enable
INT2
enable enable enable disable disable
INT3
enable enable enable disable disable
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
vector
03H
0BH
13H
1BH
Option
• 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
No.A0119-9/20