T89C51CC02 Atmel, T89C51CC02 Datasheet - Page 125

• Manufacturer Part Number: T89C51CC02
• Description: 8-Bit MCU
• Manufacturer: Atmel

IPL0 (S:B8h)
Interrupt Enable Register
Reset Value: X000 0000b
bit addressable
Rev.A - May 17, 2001
Bit Number Bit Mnemonic
7
7
6
5
4
3
2
1
0
-
PPC
PPC
PX1
PX0
PT2
PT1
PT0
PS
6
-
Reserved
EWC Counter Interrupt Priority bit
Timer 2 overflow interrupt Priority bit
Serial port Priority bit
Timer 1 overflow interrupt Priority bit
External interrupt 1 Priority bit
Timer 0 overflow interrupt Priority bit
External interrupt 0 Priority bit
The value read from this bit is indeterminate. Do not set this bit.
Refer to PPCH for priority level
Refer to PT2H for priority level.
Refer to PSH for priority level.
Refer to PT1H for priority level.
Refer to PX1H for priority level.
Refer to PT0H for priority level.
Refer to PX0H for priority level.
PT2
5
Figure 129. IPL0 Register
Preliminary
PS
4
PT1
3
Description
PX1
2
T89C51CC02
PT0
1
PX0
0
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