LC872G08A_10 Datasheet, PDF (8/27 Pages) Sanyo Semicon Device – 8K/6K/4K-byte ROM and 256-byte RAM integrated 8-bit 1-chip Microcontroller

Pin Description
Pin Name
I/O
VSS1
-
VDD1
-
Port 0
I/O
P00 to P07
Port 1
I/O
P10 to P17
LC872G08A/06A/04A
Description
- Power supply pin
+ 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
• Pin functions
P05: System clock output
P06: Timer 6 toggle output
P07: Timer 7 toggle output
P00(AN0) to P06(AN6): AD converter input
• 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 / INT3 input (with noise filter) / timer 0 event input / timer 0H capture input
P16: Timer 1PWML output / INT2 input/HOLD reset input/timer 0 event input / timer 0L capture
input
P17: Timer 1PWMH output / beeper output / INT1 input / HOLD reset input / timer 0H capture
input
Interrupt acknowledge type
Rising
Falling
Rising &
Falling
H level
L level
INT1
enable
enable
disable
enable
enable
INT2
enable
enable
enable
disable
disable
INT3
enable
enable
enable
disable
disable
Option
No
No
Yes
Yes
Port 2
P20 to P21
I/O
• 2-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 P21: INT4 input / HOLD reset input / timer 1 event input / timer 0L capture input / timer
Yes
0H capture input
Interrupt acknowledge types
Rising
Falling
Rising &
Falling
H level
L level
INT4
enable
enable
enable
disable
disable
Continued on next page.
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