SST89V58RD Silicon Storage Technology, SST89V58RD Datasheet - Page 33

• Manufacturer Part Number: SST89V58RD
• Description: FlashFlex51 MCU
• Manufacturer: Silicon Storage Technology

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FlashFlex51 MCU
SST89E52RD2/RD / SST89E54RD2/RD / SST89E58RD2/RD
SST89V52RD2/RD / SST89V54RD2/RD / SST89V58RD2/RD
External Interrupt Control (XICON)
©2006 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
33
3
0
EX2
2
IE2
1
IT2
0
S71255-05-000
Reset Value
Data Sheet
00H
5/06