
63
AT85C51SND3Bx
7632A–MP3–03/06
Reset Value = X000 0000b
Table 76. IPL0 Register
IPL0 (0.B8h) - Interrupt Priority Low Register 0
7 6 5 4 3 2 1 0
- IPLAUP IPLDFC IPLS IPLT1 IPLX1 IPLT0 IPLX0
Bit
Number
Bit
Mnemonic
Description
7 -
Reserved
The value read from this bit is indeterminate. Do not set this bit.
6 IPLAUP
AUP Interrupt Priority Level Lsb
Refer to Ta bl e 70 for priority level description.
5 IPLDFC
DFC Interrupt Priority Level Lsb
Refer to Ta bl e 70 for priority level description.
4 IPLS
SIO Interrupt Priority Level Lsb
Refer to Ta bl e 70 for priority level description.
3 IPLT1
T1 Interrupt Priority Level Lsb
Refer to Ta bl e 70 for priority level description.
2 IPLX1
EX1 Interrupt Priority Level Lsb
Refer to Ta bl e 70 for priority level description.
1 IPLT0
T0 Interrupt Priority Level Lsb
Refer to Ta bl e 70 for priority level description.
0 IPLX0
EX0 Interrupt Priority Level Lsb
Refer to Ta bl e 70 for priority level description.
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