MC81F4204 Datasheet, PDF (75/150 Pages) Finechips – ABOV SEMICONDUCTOR 8-BIT SINGLE-CHIP MICROCONTROLLERS

MC81F4204
IRQH
INTERRUPT REQUSEST HIGH REGISTER
00ECH
7
6
5
4
3
2
1
0
IQRH
T0MIR T0OVIR T1MIR T1OVIR T2MIR T2OVIR -
- Reset value: 00H
R/W R/W R/W R/W R/W R/W R/W R/W
T0MIR
T0OVIR
T1MIR
T1OVIR
T2MIR
T2OVIR
-
Timer 0 Match Interrupt Request Flag
Timer 0 Overflow Interrupt Request Flag
Timer 1 Match Interrupt Request Flag
Timer 1 Overflow Interrupt Request Flag
Timer 2 Match Interrupt Request Flag
Timer 2 Overflow Interrupt Request Flag
bit 1 – bit 0
0: Interrupt request flag is not pending,
request flag bit clear
1: Interrupt request flag is pending
0: Interrupt request flag is not pending,
request flag bit clear
1: Interrupt request flag is pending
0: Interrupt request flag is not pending,
request flag bit clear
1: Interrupt request flag is pending
0: Interrupt request flag is not pending,
request flag bit clear
1: Interrupt request flag is pending
0: Interrupt request flag is not pending,
request flag bit clear
1: Interrupt request flag is pending
0: Interrupt request flag is not pending,
request flag bit clear
1: Interrupt request flag is pending
Not used for MC81F4204
IRQL
INTERRUPT REQUSEST LOW REGISTER
7
6
5
4
3
2
1
IRQL
- SIOIR
-
- WDTIR –
R/W R/W R/W R/W R/W R/W –
0
BTIR
R/W
00EDH
Reset value: 00H
–
SIOIR
–
WDTIR
–
BTIR
bit 7
SIO Interrupt Request Flag
bit5 – bit 3
Watchdog Timer Interrupt Request Flag
bit1
Basic Timer Interrupt Request Flag
Not used for MC81F4204
0: Interrupt request flag is not pending,
request flag bit clear
1: Interrupt request flag is pending
Not used for MC81F4204
0: Interrupt request flag is not pending,
request flag bit clear
1: Interrupt request flag is pending
Not used for MC81F4204
0: Interrupt request flag is not pending,
request flag bit clear
1: Interrupt request flag is pending
October 19, 2009 Ver.1.35
75