LC87F2W48A Datasheet, PDF (9/26 Pages) Sanyo Semicon Device – 50K-byte FROM and 1536-byte RAM integrated 8-bit 1-chip Microcontroller

LC87F2W48A
Continued from preceding page.
Pin Name
Port 7
P70 to P73
I/O
Description
I/O
• 4-bit I/O port
• I/O specifiable in 1-bit units
• Pull-up resistors can be turned on and off in 1-bit units.
• Pin functions
P70: INT0 input/HOLD reset input/timer 0L capture input/watchdog timer output
P71: INT1 input/HOLD reset input/timer 0H capture input
P72: INT2 input HOLD reset input/timer 0 event input/timer 0L capture input
P73: INT3 input (with noise filter)/timer 0 event input/timer 0H capture input/
Infrared remote controller receiver input
P70(AN8), P71(AN9): AD converter input
• Interrupt acknowledge type
Rising
Falling
Rising &
Falling
H level
INT0
INT1
INT2
INT3
enable
enable
enable
enable
enable
enable
enable
enable
disable
disable
enable
enable
enable
enable
disable
disable
L level
enable
enable
disable
disable
PWM0
PWM1
RES
XT1
XT2
CF1
CF2
OWP0
I/O
I/O
I/O
Input
I/O
Input
I/O
I/O
• PWM0 output port
• General-purpose I/O available
• PWM1 output port
• General-purpose I/O available
External reset Input/internal reset output
• 32.768kHz crystal oscillator input pin
• Shared pins
General-purpose input port
AD converter input port: AN10
• 32.768kHz crystal oscillator output pin
• Shared pins
General-purpose I/O port
AD converter input port: AN11
• Ceramic resonator input pin
• Shared pins
General-purpose input port
AD converter input port: AN12
• Ceramic resonator output pin
• Shared pins
General-purpose I/O port
AD converter input port: AN13
On-chip Debugger pin
Option
No
No
No
No
No
No
No
No
No
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