at89c51ac3-s3sim ATMEL Corporation, at89c51ac3-s3sim Datasheet - Page 117

• Manufacturer Part Number: at89c51ac3-s3sim
• Description: At89c51ac3 Enhanced 8-bit Microcontroller With 64kb Flash Memory
• Manufacturer: ATMEL Corporation

4383D–8051–02/08
Table 67. IPL0 Register
IPL0 (S:B8h)
Interrupt Enable Register
Reset Value = X000 0000b
bit addressable
Number
Bit
7
-
7
6
5
4
3
2
1
0
Mnemonic Description
PPC
PPC
PT2
PT1
PX1
PT0
PX0
Bit
PS
6
-
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.
PT2
5
PS
4
PT1
3
PX1
2
PT0
1
PX0
0
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