LC87F2924B Datasheet, PDF (11/28 Pages) Sanyo Semicon Device – CMOS IC FROM 26K byte, RAM 768 byte on-chip 8-bit 1-chip Microcontroller

LC87F2924B
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 1-bit units
• Pull-up resistors can be turned on and off in 1-bit units.
• HOLD reset input
• Port 0 interrupt input
• Shared pins
P05: 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.
• Shared pins
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.
• Shared pins
P20: UART transmit
P21: UART receive
P26: INT6 input/HOLD reset input/timer 0L capture 1 input
P27: INT7 input/ HOLD reset input/timer 0H capture 1 input
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
INT6
enable
enable
enable
disable
disable
INT7
enable
enable
enable
disable
disable
Port 3
P30 to P33
I/O
• 4-bit I/O port
(These ports are available in FLGA68K(6.0×6.0) package only.)
• I/O specifiable in 1-bit units
• Pull-up resistors can be turned on and off in 1-bit units.
Option
No
No
Yes
Yes
Yes
Yes
Continued on next page.
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