ABOV SEMICONDUCTOR MC81F4204 - Interrupt Request Registers (IRQH, IRQL)

MC81F4204
April 24, 2012 Ver.1.41 77
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
0: Interrupt request flag is not pending,
request flag bit clear
T0MIR
Timer 0 Match Interrupt Request Flag
1: Interrupt request flag is pending
0: Interrupt request flag is not pending,
request flag bit clear
T0OVIR
Timer 0 Overflow Interrupt Request Flag
1: Interrupt request flag is pending
0: Interrupt request flag is not pending,
request flag bit clear
T1MIR
Timer 1 Match Interrupt Request Flag
1: Interrupt request flag is pending
0: Interrupt request flag is not pending,
request flag bit clear
T1OVIR
Timer 1 Overflow Interrupt Request Flag
1: Interrupt request flag is pending
0: Interrupt request flag is not pending,
request flag bit clear
T2MIR
Timer 2 Match Interrupt Request Flag
1: Interrupt request flag is pending
0: Interrupt request flag is not pending,
request flag bit clear
T2OVIR
Timer 2 Overflow Interrupt Request Flag
1: Interrupt request flag is pending
-
bit 1 – bit 0 Not used for MC81F4204
IRQL
INTERRUPT REQUSEST LOW REGISTER 00EDH
7 6 5 4 3 2 1 0
IRQL
- SIOIR - - WDTIR – BTIR
Reset value: 00H
R/W R/W R/W R/W R/W R/W – R/W
–
bit 7 Not used for MC81F4204
0: Interrupt request flag is not pending,
request flag bit clear
SIOIR
SIO Interrupt Request Flag
1: Interrupt request flag is pending
–
bit5 – bit 3 Not used for MC81F4204
0: Interrupt request flag is not pending,
request flag bit clear
WDTIR
Watchdog Timer Interrupt Request Flag
1: Interrupt request flag is pending
–
bit1 Not used for MC81F4204
0: Interrupt request flag is not pending,
request flag bit clear
BTIR
Basic Timer Interrupt Request Flag
1: Interrupt request flag is pending