T89C5115 ATMEL Corporation, T89C5115 Datasheet - Page 90
T89C5115
Manufacturer Part Number
T89C5115
Description
Low Pin Count 8-bit MCU with A/D Converter and 16-Kbytes of Flash Memory
Manufacturer
ATMEL Corporation
Datasheet
1.T89C5115.pdf
(105 pages)
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T89C5115
Table 66. IPL0 Register
IPH0 (B7h)
Interrupt High Priority Register
Reset Value = X000 0000b
Number
Bit
7
-
7
6
5
4
3
2
1
0
Mnemonic Description
PPCH
PPCH
PT2H
PT1H
PX1H
PT0H
PX0H
PSH
Bit
6
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
PCA Interrupt Priority level most significant bit
PPCH PPC Priority level
Timer 2 overflow interrupt High Priority bit
PT2H
Serial port High Priority bit
Timer 1 overflow interrupt High Priority bit
PT1H
External interrupt 1 High Priority bit
PX1H PX1
Timer 0 overflow interrupt High Priority bit
PT0H
External interrupt 0 high priority bit
PX0H PX0
PSH
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
PT2H
5
0
1
0
1
PT2
0
1
0
1
PS
0
1
0
1
PT1
0
1
0
1
0
1
0
1
PT0
0
1
0
1
0
1
0
1
Lowest
Highest priority
Priority Level
Lowest
Highest
Priority Level
Lowest
Highest
Priority Level
Lowest
Highest
Priority Level
Lowest
Highest
Priority Level
Lowest
Highest
Priority Level
Lowest
Highest
PSH
4
PT1H
3
PX1H
2
PT0H
1
4128A–8051–04/02
PX0H
0
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