T89C51RD2-3CTC-M View Datasheet(PDF) - Atmel Corporation

Part Name

Description

View to exact match

T89C51RD2-3CTC-M

0 to 40 MHz Flash Programmable 8-bit Microcontroller

Atmel Corporation 

T89C51RD2

IP - Interrupt Priority Register (B8h)

Table 19. IP Register

7

6

5

4

3

2

1

0

-

PPC

PT2

PS

PT1

PX1

PT0

PX0

Bit

Number

7

6

5

4

3

2

1

0

Bit

Mnemonic

Description

-

Reserved

The value read from this bit is indeterminate. Do not set this bit.

PPC

PCA interrupt priority bit

Refer to PPCH for priority level.

PT2

Timer 2 overflow interrupt Priority bit

Refer to PT2H for priority level.

PS

Serial port Priority bit

Refer to PSH for priority level.

PT1

Timer 1 overflow interrupt Priority bit

Refer to PT1H for priority level.

PX1

External interrupt 1 Priority bit

Refer to PX1H for priority level.

PT0

Timer 0 overflow interrupt Priority bit

Refer to PT0H for priority level.

PX0

External interrupt 0 Priority bit

Refer to PX0H for priority level.

Reset Value = X000 0000b

Bit addressable

Rev. F - 15 February, 2001

39

Share Link: