MS51
Nov. 28, 2019
Page
103
of 491
Rev 1.00
MS51
32K
SE
RIES
TE
CHNICAL RE
F
EREN
CE MA
N
UAL
IPH
– Interrupt Priority High
[2]
Register
SFR Address
Reset Value
IPH
B7H, Page 0
0000_0000 b
7
6
5
4
3
2
1
0
-
PADCH
PBODH
PSH
PT1H
PX1H
PT0H
PX0H
-
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Bit
Name
Description
6
PADC
ADC interrupt priority high bit
5
PBOD
Brown-out detection interrupt priority high bit
4
PSH
Serial port 0 interrupt priority high bit
3
PT1H
Timer 1 interrupt priority high bit
2
PX1H
External interrupt 1 priority high bit
1
PT0H
Timer 0 interrupt priority high bit
0
PX0H
External interrupt 0 priority high bit
Note:
IPH is used in combination with the IP respectively to determine the priority of each interrupt source. See Table
6.2-4 Interrupt Priority Level Setting for correct interrupt priority configuration.