LC87F2924B Datasheet, PDF (12/28 Pages) Sanyo Semicon Device – CMOS IC FROM 26K byte, RAM 768 byte on-chip 8-bit 1-chip Microcontroller

LC87F2924B
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
Interrupt acknowledge type
Rising
Falling
Rising &
Falling
H level
L level
INT0
INT1
INT2
enable
enable
enable
enable
enable
enable
disable
disable
enable
enable
enable
disable
enable
enable
disable
INT3
enable
enable
enable
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
I/O
• 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
AD converter input port: AN8 (PC0) to AN11 (PC3)
On-chip debugger pins: DBGP0 to DBGP2 (PC5 to PC7)
Reset pin
• 32.768kHz crystal oscillator input pin
• Shared pins
General-purpose input port
• 32.768kHz crystal oscillator output pin
• Shared pins
General-purpose I/O port
• 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
Option
No
No
No
Yes
Yes
No
No
No
No
No
No.A1211-12/28