LC87F2832A_09 Datasheet, PDF (12/27 Pages) Sanyo Semicon Device – FROM 32K byte, RAM 1024 byte on-chip 8-bit 1-chip Microcontroller

LC87F2832A
Continued from preceding page.
Pin Name
I/O
Description
Port 7
P70 to P73
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.
• Shared pins
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/
High speed clock counter input
P73: INT3 input (with noise filter)/timer 0 event input/timer 0H capture input
AD converter input port: AN8 (P70), AN9 (P71)
Interrupt acknowledge type
Rising
Falling
Rising &
Falling
H level
L level
INT0
INT1
enable
enable
enable
enable
disable
disable
enable
enable
enable
enable
INT2
INT3
enable
enable
enable
enable
enable
enable
disable
disable
disable
disable
Port 8
P80 to P86
PWM2
PWM3
Port B
PB0 to PB7
Port C
PC0 to PC7
RES
XT1
XT2
CF1
CF2
I/O
I/O
I/O
I/O
Input
Input
I/O
Input
Output
• 7-bit I/O port
• I/O specifiable in 1-bit units
• Shared pins
AD converter input port: AN0 (P80) to AN6 (P86)
• PWM2 and PWM3 output ports
• General-purpose I/O available
• 8-bit I/O port
• I/O specifiable in 1-bit units
• Pull-up resistors can be turned on and off in 1 bit units.
• 8-bit I/O port
• I/O specifiable in 1-bit units
• Pull-up resistors can be turned on and off in 1-bit units.
• Shared pins
On-chip debugger pins: DBGP0 to DBGP2 (PC5 to PC7)
Reset pin
• 32.768kHz crystal oscillator input pin
• Shared pins
General-purpose input port
AD converter input port: AN10
Must be connected to VDD1 if not to be used.
• 32.768kHz crystal oscillator output pin
• Shared pins
General-purpose I/O port
AD converter input port: AN11
Must be set for oscillation and kept open if not to be used.
Ceramic resonator input pin
Ceramic resonator output pin
Option
No
No
No
Yes
Yes
No
No
No
No
No
No.A0478-12/27