SST89E52RD-33-C-NIE1 View Datasheet(PDF) - Silicon Storage Technology

Part Name

Description

View to exact match

SST89E52RD-33-C-NIE1

FlashFlex51 MCU

Silicon Storage Technology 

FlashFlex51 MCU

SST89E52RD2/RD / SST89E54RD2/RD / SST89E58RD2/RD

SST89V52RD2/RD / SST89V54RD2/RD / SST89V58RD2/RD

Data Sheet

Interrupt Priority (IP)

Location

7

B8H

-

6

5

4

3

2

1

0

Reset Value

PPC

PT2

PS

PT1

PX1

PT0

PX0

x0000000b

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

Interrupt Priority High (IPH)

Location

7

B7H

-

6

PPCH

5

PT2H

4

PSH

3

PT1H

2

PX1H

1

PT0H

0

PX0H

Reset Value

x0000000b

Symbol

PPCH

PT2H

PSH

PT1H

PX1H

PT0H

PX0H

Function

PCA interrupt priority bit high

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

Interrupt Priority 1 (IP1)

Location

7

6

5

4

3

2

1

0

Reset Value

F8H

1

-

-

1

PBO

PX3

PX2

1

1xx10001b

Symbol

PBO

PX2

PX3

Function

Brown-out interrupt priority bit

External Interrupt 2 priority bit

External Interrupt 3 priority bit

Interrupt Priority 1 High (IP1H)

Location

7

6

5

F7H

1

-

-

4

3

2

1

0

Reset Value

1

PBOH

PX3H

PX2H

1

1xx10001b

Symbol

PBOH

PX2H

PX3H

Function

Brown-out Interrupt priority bit high

External Interrupt 2 priority bit high

External Interrupt 3 priority bit high

©2006 Silicon Storage Technology, Inc.

24

S71255-05-000

5/06

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