LC875CC8A Datasheet, PDF (10/29 Pages) Sanyo Semicon Device – ROM 128K/112K byte, RAM 4096 byte on-chip 8-bit 1-chip Microcontroller

LC875CC8A/B2A
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 (-)
Function 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
• Pin 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
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
Option
No
No
Yes
Yes
Yes
Yes
Continued on next page.
No.A0744-10/29