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T89C51RD2-DDFC-L View Datasheet(PDF) - Atmel Corporation

Part Name
Description
Manufacturer
T89C51RD2-DDFC-L
Atmel
Atmel Corporation Atmel
T89C51RD2-DDFC-L Datasheet PDF : 86 Pages
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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
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