Owner's manual

55
A/T8xC5121
4164G–SCR–07/06
Table 38. IPH0 Register
Reset Value = XXX0 0000b
76543210
- - - PSH PT1H PX1H PT0H PX0H
Bit
Number
Bit
Mnemonic Description
7-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
6-
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.
4PSH
Serial port Priority High bit
PSH PS Priority Level
00Lowest
01
10
1 1 Highest
3PT1H
Timer 1 overflow interrupt Priority High bit
PT1H PT1 Priority Level
00Lowest
01
10
1 1 Highest
2PX1H
External interrupt 1 Priority High bit
PX1H PX1 Priority Level
00Lowest
01
10
1 1 Highest
1PT0H
Timer 0 overflow interrupt Priority High bit
PT0H PT0 Priority Level
00Lowest
01
10
1 1 Highest
0PX0H
External interrupt 0 Priority High bit
PX0 HPX0 Priority Level
00Lowest
01
10
1 1 Highest