SST89E54RD2A_13 Datasheet, PDF (23/91 Pages) Silicon Storage Technology, Inc – FlashFlex MCU

A Microchip Technology Company
FlashFlex MCU
SST89E54RD2A/RDA / SST89E58RD2A/RDA
Interrupt Enable (IE)
Location
7
A8H
EA
6
5
EC
ET2
4
3
ES
ET1
Symbol
EA
EC
ET2
ES
ET1
EX1
ET0
EX0
Function
Global Interrupt Enable.
0 = Disable
1 = Enable
PCA Interrupt Enable.
Timer 2 Interrupt Enable.
Serial Interrupt Enable.
Timer 1 Interrupt Enable.
External 1 Interrupt Enable.
Timer 0 Interrupt Enable.
External 0 Interrupt Enable.
Interrupt Enable A (IEA)
Location
7
6
5
4
3
E8H
-
-
-
-
EBO
Symbol
EBO
Function
Brown-out Interrupt Enable.
1 = Enable the interrupt
0 = Disable the interrupt
Interrupt Priority (IP)
Location
7
B8H
-
6
5
4
3
PPC
PT2
PS
PT1
Symbol
PPC
PT2
PS
PT1
PX1
PT0
PX0
Function
PCA interrupt priority bit
Timer 2 interrupt priority bit
Serial Port interrupt priority bit
Timer 1 interrupt priority bit
External interrupt 1 priority bit
Timer 0 interrupt priority bit
External interrupt 0 priority bit
Not Recommended for New Designs
2
1
0
Reset Value
EX1
ET0
EX0
00H
2
1
0
Reset Value
-
-
-
xxxx0xxxb
2
1
0
Reset Value
PX1
PT0
PX0 x0000000b
©2011 Silicon Storage Technology, Inc.
23
DS25114A
12/11