MC81F4x16
IRQL
INTERRUPT REQUSEST LOW REGISTER
00EDH
7
6
5
4
3
2
1
0
IICIR
SIOIR WTIR
R/W R/W
URIR
UTIR WDTIR
R/W R/W
–
BITIR
IRQL
Reset value: 00H
R/W
R/W
–
R/W
0: Interrupt request flag is not pending,
request flag bit clear
IICIR
SIOIR
WTIR
URIR
UTIR
IIC Interrupt Request Flag
1: Interrupt request flag is pending
0: Interrupt request flag is not pending,
request flag bit clear
SIO Interrupt Request Flag
1: Interrupt request flag is pending
0: Interrupt request flag is not pending,
request flag bit clear
Watch Timer Interrupt Request Flag
UART Rx Interrupt Request Flag
UART Tx Interrupt Request Flag
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
WDTIR
–
Watchdog Timer Interrupt Request Flag
bit1
1: Interrupt request flag is pending
Not used for MC81F4x16
0: Interrupt request flag is not pending,
request flag bit clear
BTIR
Basic Timer Interrupt Request Flag
1: Interrupt request flag is pending
94
October 19, 2009 Ver.1.35