LC866424B 데이터 시트보기 (PDF) - SANYO -> Panasonic
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LC866424B Datasheet PDF : 21 Pages
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Pin description
LC866448B/44B/40B/36B/32B/28B/24B/20B/16B/12B/08B
Pin name I/O
Function description
Option
VSS1,2
- Power pin (-) Short-circuit VSS1 to VSS2.
-
VDD1,2 - Power pin (+) *1
Refer to Notes -
VP
- Power pin (+) for the VFD output pull-down resistor
-
PORT0 I/O •8-bit input/output port
•Pull-up resistor :
P00 to P07
•Input for port 0 interrupt
Provided/Not provided (each nibble)
•Input/output in nibble units
•Output form :
•Input for HOLD release
CMOS/N-channel open drain (each bit)
•15V withstand at N-channel open 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 drain (each bit)
•Other pin functions
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 in bit unit
CMOS/N-channel open drain (each bit)
•15V withstand at N-channel open drain output
PORT7
•6-bit input port
Pull-up resistor :
•Other pin functions
Provided/Not provided
P70 : INT0 input/HOLD release/N-channel Tr.
(P70,71,72,73)
output for watchdog timer
P70
I/O P71 : INT1 input/HOLD release input
P72 : INT2 input/timer 0 event input
* P74 , P75 don’t have the pull-up
resistor option.
P71 to P75 I P73 : INT3 input with noise filter/timer 0 event input
P74 : 32.768kHz crystal oscillation terminal XT1
P75 : 32.768kHz crystal oscillation terminal XT2
•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 disable disable 13H
INT3 enable enable enable disable disable 1BH
Continue.
No.6699-7/21
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