LC866428A 查看數據表（PDF） - SANYO -> Panasonic
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LC866428A Datasheet PDF : 22 Pages
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LC866432A/28A/24A/20A/16A/12A/08A
LC866432A / 28A / 24A / 20A / 16A / 12A / 08A Pin Description
Pin name I / O
Function description
Option
VSS1, 2
Power pin (--) Short-circuit VSS1 toVSS2.
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 / output in nibble units
Provided / Not provided (each nibble)
•Input for port 0 interrupt
•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 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 : Timer1 output (PWM0 output)
PORT3 I / O •4-bit input / output port
P30 to P33
Input / output in bit unit
•15V withstand at N-channel open drain
output
•Pull-up resistor :
Provided / Not provided (each bit)
•Output form :
CMOS / N-channel open drain (each bit)
PORT7
•6-bit input port
•Pull-up resistor :
•Other pin functions
Provided / Not provided
P70
I / O P70 : INT0 input / HOLD release / N-channel (P70, 71, 72, 73)
Tr. output for watchdog timer
*P74, P75 don't have the pull-up resistor option.
P71 to P75 I P71 : INT1 input / HOLD release input
P72 : INT2 input / timer 0 event input
P73 : INT3 input with noise filter / timer 0
event input
P74 : Input pin XT1 for 32.768kHz crystal
resonator oscillation
P75 : Output pin XT2 for 32.768kHz crystal
resonator oscillation
•Interrupt received form, vector address.
Rising
Rising Falling &
High
level
Falling
Low
level
Vector
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
No.6739-7/22
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