LC87F5NC8A Datasheet, PDF (8/25 Pages) Sanyo Semicon Device – CMOS IC FROM 128K byte, RAM 4096 byte on-chip 8-bit 1-chip Microcontroller

LC87F5NC8A
Pin Description
Pin Name
I/O
VSS1, VSS2
-
VSS3, VSS4
VDD1, VDD2
-
VDD3, VDD4
Port 0
I/O
P00 to P07
Port 1
I/O
P10 to P17
Port 2
I/O
P20 to P27
- Power supply pin
Description
+ Power supply pin
• 8-bit I/O port
• I/O specifiable in 4-bit units
• Pull-up resistor can be turned on and off in 4-bit units
• HOLD release input
• Port 0 interrupt input
• Pin functions
P05: System clock output
P06: Timer 6 toggle output
P07: Timer 7 toggle output
• 8-bit I/O port
• I/O specifiable in 1-bit units
• Pull-up resistor can be turned on and off in 1-bit units
• Pin functions
P10: SIO0 data output
P11: SIO0 data input, bus I/O
P12: SIO0 clock I/O
P13: SIO1 data output
P14: SIO1 data input, bus I/O
P15: SIO1 clock I/O
P16: Timer 1 PWML output
P17: Timer 1 PWMH output, Beeper output
• 8-bit I/O port
• I/O specifiable in 1-bit units
• Pull-up resistor can be turned on and off in 1-bit units
• Other functions
P20: INT4 input/HOLD reset input/timer 1 event input/timer 0L capture input/
timer 0H capture input/INT6 input/timer 0L capture 1 input
P21 to P23: INT4 input/HOLD reset input/timer 1 event input/timer 0L capture input/
timer 0H capture input
P24: INT5 input/HOLD reset input/timer 1 event input/timer 0L capture input/
timer 0H capture input/INT7 input/timer 0H capture 1 input
P25 to P27: INT5 input/HOLD reset input/timer 1 event input/timer 0L capture input/
timer 0H capture input
• Interrupt acknowledge type
Rising
Falling
Rising/
Falling
H level
L level
INT4
enable
enable
enable
disable
disable
INT5
enable
enable
enable
disable
disable
INT6
enable
enable
enable
disable
disable
INT7
enable
enable
enable
disable
disable
Option
No
No
Yes
Yes
Yes
Port 3
P30 to P36
I/O
• 7-bit I/O port
• I/O specifiable in 1-bit units
• Pull-up resistor can be turned on and off in 1-bit units
• Pin functions
P30: PWM4 output
P31: PWM5 output
P32: UART1 transmit
P33: UART1 receive
P34: UART2 transmit
P35: UART2 receive
Yes
Continued on next page.
No.A0929-8/25