LC865632 Datasheet, PDF (8/20 Pages) Sanyo Semicon Device – 8-Bit Single Chip Microcontroller

LC865632/28/24/20/16/12/08A
Pin name I/O
Function description
Option
PORT7
P70
P71 - P74
• 5-bit input port
• Other pin functions
I/O P70 : INT0 input/HOLD release/N-channel
Tr. output for watchdog timer
I P71 : INT1 input/HOLD release input
P72 : INT2 input/timer 0 event input
P73 : INT3 input with noise filter/timer 0
event input
• Pull-up resistor :
Provided/Not provided
(P70,71,72,73)
• P74 does not have Pull-up resistor
option
P74 : Input pin XT1 for 32.768kHz crystal
oscillation
• Interrupt received form, vector address
rising falling rising high
& level
falling
low vector
level
INT0 enable enable disable enable enable 03H
INT1 enable enable disable enable enable 0BH
INT2 enable enable enable disable disable 13H
INT3 enable enable enable disable disable 1BH
PORT8
I • 8-bit input port
-
P80 - P87
• Pin description
AD input port (8 port pins)
RES
I Reset pin
-
TEST1
O • Test pin
Should be left unconnected
• Output fixed HIGH
XT1/ P74 ^{I • Input pin for 32.768kHz crystal oscillation -}
In case of non use, connect to VDD
• Other function : Input port P74
XT2
O • Output pin for 32.768kHz crystal oscillation -
• In case of non use, should be left
unconnected
CF1
I Input pin for ceramic resonator oscillation
-
CF2
O Output pin for ceramic resonator oscillation -
* All of port options can be specified in bit unit.
* A state of pins at reset
Pin name
Input/output mode
Port 0
Input
Ports 70,71,72,73
Ports 1,2,3,4,5
Input
A state of pull-up resistor specified at pull-up option
Fixed pull-up resistor exist
Programmable pull-up resistor OFF
No.6698-8/20