SST89V54RD2 Silicon Storage Technology, Inc., SST89V54RD2 Datasheet - Page 32
SST89V54RD2
Manufacturer Part Number
SST89V54RD2
Description
Flashflex51 Mcu
Manufacturer
Silicon Storage Technology, Inc.
Datasheet
1.SST89V54RD2.pdf
(77 pages)
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Data Sheet
External Interrupt Control (XICON)
©2007 Silicon Storage Technology, Inc.
Location
AEH
Symbol
X
EX2
IE2
IT2
EX3
IE3
IT3
7
X
EX3
6
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.
IE3
5
IT3
4
32
3
0
SST89V54RD2/RD / SST89V58RD2/RD
EX2
2
IE2
1
FlashFlex MCU
IT2
0
S71255-10-000
Reset Value
00H
12/07
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