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LC87F2708A Datasheet, PDF (7/21 Pages) Sanyo Semicon Device – CMOS IC FROM 8K byte, RAM 512 byte on-chip 8-bit 1-chip Microcontroller
Pin Description
Pin Name
I/O
VSS1
-
VDD1
-
PORT1
I/O
P10 to P16
PORT3
I/O
P30 to P33
RES
I/O
LC87F2708A
Description
- power supply pin
+ power supply pin
• 7-bit I/O port
• I/O specifiable in 1-bit units
• Pull-up resistors can be turned on and off in 1-bit units
• Multiplexed pins
P10: SIO7 data output
P11: SIO7 data input/bus I/O/high-speed pulse width/period counter 2 input
P12: SIO7 clock I/O
P13: Timer 1 PWML output
P14: Timer 1 PWMH output
P10, P11, P14, P15:
INTE input/HOLD release input/timer 1 event input/timer 0L capture input/
timer 0H capture input
P12, P13, P16:
INTF input/HOLD release input/timer 1 event input/timer 0L capture input/
timer 0H capture input
AD converter input port: AN0 to AN6(P10 to P16)
Analog comparator input port 0: IN0+, IN0-(P11, P12)
Analog comparator input port 1: IN1+, IN1-(P15, P16)
On-chip debugger pin 1: DBGP02 (P10)
On-chip debugger pin 3: DBGP20 to DBGP22 (P13 to P15)
• Interrupt acknowledge type
Rising
Falling
Rising &
Falling
H level
INTE
enable
enable
enable
disable
INTF
enable
enable
enable
disable
L level
disable
disable
• 4-bit I/O port
• I/O specifiable in 1-bit units
• Pull-up resistors can be turned on and off in 1-bit units
• Multiplexed pins
P30: INTA input/HOLD release input/timer 0L capture input/high-speed pulse width/
period counter 1 input
P31: INTB input/HOLD release input/timer 0H capture input/high-speed pulse width/
period counter 2 input
P32: INTC input/HOLD release input/timer 0 event input/timer 0L capture input/
analog comparator output
P33: INTD input/HOLD release input/timer 0 event input/timer 0H capture input/
high-speed PWM output
On-chip debugger pin 1: DBGPX0 to DBGP01 (P30 to P31)
On-chip debugger pin 2: DBGPX0 to DBGP12 (P30, P32 to P33)
• Interrupt acknowledge type
Rising
Falling
Rising &
Falling
H level
L level
INTA
INTB
INTC
INTD
enable
enable
enable
enable
enable
enable
enable
enable
disable
disable
enable
enable
enable
enable
disable
disable
enable
enable
disable
disable
External reset input/internal reset output
Option
No
No
Yes
Yes
No
No.A1335-7/21