Table 45. IPL0 Register
IPL0 - Interrupt Priority Register (B8h)
7
-
6
5
4
3
2
1
0
PPCL
PT2L
PSL
PT1L
PX1L
PT0L
PX0L
Bit
Bit
Number
Mnemonic Description
Reserved
7
6
5
4
3
2
1
0
-
The value read from this bit is indeterminate. Do not set this bit.
PCA Interrupt Priority Bit
see PPCH for priority level.
PPCL
PT2L
PSL
Timer 2 Overflow Interrupt Priority Bit
see PT2H for priority level.
Serial Port Priority Bit
see PSH for priority level.
Timer 1 Overflow Interrupt Priority Bit
see PT1H for priority level.
PT1L
PX1L
PT0L
PX0L
External Interrupt 1 Priority Bit
see PX1H for priority level.
Timer 0 Overflow Interrupt Priority Bit
see PT0H for priority level.
External Interrupt 0 Priority Bit
see PX0H for priority level.
Reset Value = X000 0000b
Bit addressable
58
AT89C51RB2/RC2
4180E–8051–10/06
ATMEL [ ATMEL ]
