LC875832A Datasheet, PDF (9/23 Pages) Sanyo Semicon Device – 8-bit 1-chip Microcontroller

LC875832A/24A/16A
Pin Description
Pin Name
I/O
VSS1
-
VSS2
VSS3
VDD1
-
VDD2
VDD3
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 resistors can be turned on and off in 4-bit units.
• HOLD reset input
• Port 0 interrupt input
• Shared pins
P05 : System clock output (system clock / can selected from sub clock)
P06 : Timer 6 toggle output
P07 : Timer 7 toggle output
• 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.
• 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 1PWML output
P17 : Timer 1PWMH output/beeper output
• 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.
• Pin functions
P20 : UART transmit
P21 : UART receive
P20 to P23 : INT4 input/HOLD reset input/timer 1 event input/timer 0L capture input/
timer 0H capture input
P24 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
Option
No
No
Yes
Yes
Yes
Continued on next page.
No.8300-9/23