AT89C5131-PLTIL ATMEL Corporation, AT89C5131-PLTIL Datasheet - Page 78
AT89C5131-PLTIL
Manufacturer Part Number
AT89C5131-PLTIL
Description
8-bit Flash Microcontroller with Full Speed USB Device
Manufacturer
ATMEL Corporation
Datasheet
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AT89C5131
Table 63. IPL0 Register
IPL0 - Interrupt Priority Register (B8h)
Reset Value = X000 0000b
Bit addressable
Number
Bit
7
6
5
4
3
2
1
0
7
-
Mnemonic
PPCL
PPCL
PT2L
PT1L
PX1L
PT0L
PX0L
PSL
Bit
6
-
Description
Reserved
The value read from this bit is indeterminate. Do not set this bit.
PCA interrupt Priority bit
Refer to PPCH for priority level.
Timer 2 overflow interrupt Priority bit
Refer to PT2H for priority level.
Serial port Priority bit
Refer to PSH for priority level.
Timer 1 overflow interrupt Priority bit
Refer to PT1H for priority level.
External interrupt 1 Priority bit
Refer to PX1H for priority level.
Timer 0 overflow interrupt Priority bit
Refer to PT0H for priority level.
External interrupt 0 Priority bit
Refer to PX0H for priority level.
PT2L
5
PSL
4
PT1L
3
PX1L
2
PT0L
1
4136B–USB–09/03
PX0L
0
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