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AT80C51RA2-RLSIV 데이터시트(PDF) 42 Page - ATMEL Corporation

부품명 AT80C51RA2-RLSIV
상세설명  High Performance 8-bit Microcontroller
PDF  86 Pages
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제조업체  ATMEL [ATMEL Corporation]
홈페이지  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT80C51RA2-RLSIV 데이터시트(HTML) 42 Page - ATMEL Corporation

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42
4188F–8051–01/08
AT/TS8xC51Rx2
Table 6-18.
IP Register
IP - Interrupt Priority Register (B8h)
Reset Value = X000 0000b
Bit addressable
7
6
5
4
3
2
1
0
-
PPC
PT2
PS
PT1
PX1
PT0
PX0
Bit Number
Bit Mnemonic
Description
7
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
6
PPC
PCA interrupt priority bit
Refer to PPCH for priority level.
5
PT2
Timer 2 overflow interrupt Priority bit
Refer to PT2H for priority level.
4
PS
Serial port Priority bit
Refer to PSH for priority level.
3
PT1
Timer 1 overflow interrupt Priority bit
Refer to PT1H for priority level.
2
PX1
External interrupt 1 Priority bit
Refer to PX1H for priority level.
1
PT0
Timer 0 overflow interrupt Priority bit
Refer to PT0H for priority level.
0
PX0
External interrupt 0 Priority bit
Refer to PX0H for priority level.



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