SST89E554 SST [Silicon Storage Technology, Inc], SST89E554 Datasheet - Page 19

• Manufacturer Part Number: SST89E554
• Description: FlashFlex51 MCU
• Manufacturer: SST [Silicon Storage Technology, Inc]

FlashFlex51 MCU
SST89E564 / SST89V564 / SST89E554 / SST89V554
Preliminary Specifications
Interrupt Priority (IP)
Interrupt Priority High (IPH)
Interrupt Priority A (IPA)
Interrupt Priority A High (IPAH)
©2001 Silicon Storage Technology, Inc.
Location
Location
Location
Location
B8H
B7H
F8H
F7H
Symbol
PT2
PS
PT1
PX1
PT0
PX0
Symbol
PT2H
PSH
PT1H
PX1H
PT0H
PX0H
Symbol
PBO
Symbol
PBOH
7
7
7
7
-
-
-
-
Function
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.
Function
Timer 2 interrupt priority bit high.
Serial Port interrupt priority bit high.
Timer 1 interrupt priority bit high.
External interrupt 1 priority bit high.
Timer 0 interrupt priority bit high.
External interrupt 0 priority bit high.
Function
Brown-out interrupt priority bit.
Function
Brown-out Interrupt priority bit high.
6
6
6
6
-
-
-
-
PT2H
PT2
5
5
5
5
-
-
PSH
PS
4
4
4
4
-
-
19
PBOH
PT1H
PBO
PT1
3
3
3
3
PX1H
PX1
2
2
2
2
-
-
PT0H
PT0
1
1
1
1
-
-
PX0H
PX0
0
0
0
0
-
-
S71181-03-000 9/01
Reset Value
Reset Value
Reset Value
Reset Value
xx000000b
xx000000b
xxxx0xxxb
xxxx0xxxb
384