ET0:=Interrupt
controller of Timer-0 interrupt.
0:=(default)
Disable
1:=
Enable
EX0:=Interrupt
controller of external interrupt-0.
0:=(default)
Disable
1:=
Enable
SFR:
IP
(Interrupt Priority Low)
Bit-7
-
Bit-6
Bit-5
Bit-4
PS
Bit-3
PT1
Bit-2
PX1
Bit-1
PT0
Bit-0
PX0
PPCA_LVD PSPI_ADC
PPCA_LVD
:=
PSPI_ADC
:=
PS
:=
PT1
:=
PX1
:=
PT0
:=
PX0
:=
If set, Set priority for PCA /LVF interrupt higher
If set, Set priority for SPI/ADC interrupt higher
If set, Set priority for serial port interrupt higher(UART)
If set, Set priority for timer1 interrupt higher
If set, Set priority for external interrupt 1 higher
If set, Set priority for timer0 interrupt higher
If set, Set priority for external interrupt 0 higher
SFR:
IPH
(Interrupt Priority High)
Bit-7
-
Bit-6
Bit-5
Bit-4
PSH
Bit-3
PT1H
Bit-2
PX1H
Bit-1
PT0H
Bit-0
PX0H
PPCAH_LVD PSPIH_ADC
PPCAH_LVD:=
PSPIH_ADC
:=
PSH
:=
PT1H
:=
PX1H
:=
PT0H
:=
PX0H
:=
If set, Set priority for PCA /LVF interrupt higher
If set, Set priority for SPI/ADC interrupt higher
If set, Set priority for serial port interrupt higher(UART)
If set, Set priority for timer1 interrupt higher
If set, Set priority for external interrupt 1 higher
If set, Set priority for timer0 interrupt higher
If set, Set priority for external interrupt 0 higher
IP
and
IPH
are combined to form 4-level priority interrupt as the following table.
Priority
{IPH.x , IP.x}
Level
11
1 (highest)
10
2
01
3
00
4
MEGAWIN
MPC82x54A Data Sheet
31
MEGAWIN [ MEGAWIN TECHNOLOGY CO., LTD ]
