SST89V52RD2-33-C-NIF2 View Datasheet(PDF) - Silicon Storage Technology
Part Name
Description
MFG CO.
SST89V52RD2-33-C-NIF2 Datasheet PDF : 81 Pages
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FlashFlex51 MCU
SST89E52RD2/RD / SST89E54RD2/RD / SST89E58RD2/RD
SST89V52RD2/RD / SST89V54RD2/RD / SST89V58RD2/RD
External Interrupt Control (XICON)
Location
7
AEH
X
6
5
4
EX3
IE3
IT3
3
2
1
0
EX2
IE2
Data Sheet
0
Reset Value
IT2
00H
Symbol
X
EX2
IE2
IT2
EX3
IE3
IT3
Function
Don’t Care
External Interrupt 2
Enable bit if set
Interrupt Enable
If IT2=1, IE2 is set/cleared automatically by hardware when interrupt is detected/
serviced.
External Interrupt 2 is falling-edge/low-level triggered when this bit is cleared by
software.
External Interrupt 3
Enable bit if set
Interrupt Enable
If IT3=1, IE3 is set/cleared automatically by hardware when interrupt is detected/
serviced.
External Interrupt3 is falling-edge/low-level triggered when this bit is cleared by
software.
©2006 Silicon Storage Technology, Inc.
33
S71255-05-000
5/06
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