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AT80C51RA2-RLSIV 데이터시트(PDF) 43 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) 43 Page - ATMEL Corporation

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43
4188F–8051–01/08
AT/TS8xC51Rx2
Table 6-19.
IPH Register
IPH - Interrupt Priority High Register (B7h)
Reset Value = X000 0000b
Not bit addressable
7
6
5
4
3
2
1
0
-
PPCH
PT2H
PSH
PT1H
PX1H
PT0H
PX0H
Bit
Number
Bit
Mnemonic
Description
7
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
6
PPCH
PCA interrupt priority bit high.
PPCHPPC
Priority Level
0
0
Lowest
0
1
1
0
1
1 Highest
5
PT2H
Timer 2 overflow interrupt Priority High bit
PT2H PT2
Priority Level
0
0
Lowest
0
1
1
0
1
1
Highest
4
PSH
Serial port Priority High bit
PSH PS
Priority Level
0
0Lowest
0
1
1
0
1
1Highest
3
PT1H
Timer 1 overflow interrupt Priority High bit
PT1H PT1Priority Level
0
0Lowest
0
1
1
0
1
1Highest
2
PX1H
External interrupt 1 Priority High bit
PX1HPX1Priority Level
0
0Lowest
0
1
1
0
1
1Highest
1
PT0H
Timer 0 overflow interrupt Priority High bit
PT0H PT0
Priority Level
0
0
Lowest
0
1
1
0
1
1
Highest
0
PX0H
External interrupt 0 Priority High bit
PX0HPX0
Priority Level
0
0
Lowest
0
1
1
0
1
1
Highest



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