AT83C51RB2-3CSCM View Datasheet(PDF) - Atmel Corporation
Part Name
Description
Manufacturer
AT83C51RB2-3CSCM Datasheet PDF : 83 Pages
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AT80C51RD2/AT83C51Rx2
Table 38. IPH1 Register
IPH1 - Interrupt Priority High Register (B3h)
7
6
5
4
3
2
1
-
-
-
-
-
-
-
Bit
Number
7
6
Bit
Mnemonic Description
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
5
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
4
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
3
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
2
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
1
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Keyboard interrupt Priority High bit
KB DH KBDL Priority Level
0
KBDH
0
0
0
1
Lowest
1
0
1
1
Highest
Reset Value = XXXX XXX0b
Not bit addressable
0
KBDH
53
4113B–8051–03/05
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