LC86P6449 데이터 시트보기 (PDF) - SANYO -> Panasonic
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LC86P6449 Datasheet PDF : 22 Pages
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LC86P6449 Pin description
LC86P6449
Pin name I/O
Function description
Option
VSS1,2 - Power pin (-)
-
VDD1,2 - Power pin (+)
*4 Refer to Notes -
VP
- Power pin (-) for the VFD output pull-down -
resist
PORT0 I/O •8-bit input/output port
•Pull-up resistor :
P00 to P07
•Input for port 0 interrupt
Provided/Not provided
•Input/output in nibble units
•Output form :
•Input for HOLD release
CMOS/N-channel open
•15V withstand at N-channel open drain
drain
output
PORT1 I/O •8-bit input/output port
•Output form :
P10 to P17
•Input/output can be specified in a bit unit
CMOS/N-channel open
•Other pin functions
drain
P10 SIO0 data output
P11 SIO0 data input/bus input/output
P12 SIO0 clock input/output
P13 SIO1 data output
P14 SIO1 data input/bus input/output
P15 SIO1 clock input/output
P16 Buzzer output
P17 Timer 1 output (PWM0 output)
PORT3 I/O •4-bit input/output port
•Output form :
P30 to P33
•Input/output can be specified
CMOS/N-channel open
•15V withstand at N-channel open drain
drain
output
PORT7
•6-bit input port
Pull-up resistor :
•Other functions
Provided/Not provided
P70 : INT0 input/HOLD release input/
(P70,71,72,73)
P70
I/O
P71 to P75 I
N-ch Tr. output for watchdog timer
P71 : INT1 input/HOLD release input
P72 : INT2 input/timer 0 event input
P73 : INT3 input with noise rejection
* P74 ,P75 don’t have
pull-up
resistor option.
filter/timer 0 event input
P74 : XT1 terminal for 32.768kHz crystal
oscillation
P75 : XT2 terminal for 32.768kHz crystal
oscillation
•Interrupt received forms, the vector addresses
rising falling rising high low vector
& level level
falling
INT0 enable enable disable enable enable 03H
INT1 enable enable disable enable enable 0BH
INT2 enable enable enable disabledisable 13H
INT3 enable enable enable disabledisable 1BH
Continue.
PROM mode
-
-
-
-
Data line
D0 to D7
-
PROM control
signals
DASEC (*1)
OE (*2)
‚CbEE (*3)
No.6689-7/22
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