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STC89LE53RC Datenblatt(PDF) 79 Page - STCmicro Technology Co,.Ltd

Teilenummer STC89LE53RC
Bauteilbeschribung  Enhanced 80C51 Central Processing Unit ,6T or 12T per machine cycle
PDF  165 Pages
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Hersteller  STC [STCmicro Technology Co,.Ltd]
Direct Link  http://www.stcmicro.com/
Logo STC - STCmicro Technology Co,.Ltd

STC89LE53RC Datenblatt(HTML) 79 Page - STCmicro Technology Co,.Ltd

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6.1 Interrupt Structure
Interrupt system diagram of STC89xx series
Highest Priority
Level Interrupt
IP,XICON,IPH
Registers
IE, XICON Registers
EX2
EX3
Global Enable
EA
/INT0
TF0
/INT1
TF1
RI
TI
TF2+EXF2
IE0
IE1
ET2
ES
ET1
EX1
ET0
EX0
Lowest Priority
Level Interrupt
Interrupt
Polling
Sequence
high
low
TCON.0/IT0=1
TCON.0/IT0=0
TCON.2/IT1=1
TCON.2/IT1=0
EA
/INT2
IE2
XICON.0/IT2=1
XICON.0/IT2=0
/INT3
IE2
XICON.4/IT3=1
XICON.4/IT3=0
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