Motorola DragonBall MC68328 User Manual page 36

RESERVED
This bit is not used and reads 0.
MRTC (Mask RTC Interrupt, Bit 4)
This bit, while set, indicates that the real-time clock interrupt is masked. It is set to 1 after
reset.
0 = Enable RTC interrupt
1 = Mask RTC interrupt
MKB (Mask Keyboard Interrupt, Bit 6)
This bit, while set, indicates that the keyboard interrupt is masked. It is set to 1 after reset.
0 = Enable KB interrupt
1 = Mask KB interrupt
MPWM (Mask PWM Interrupt, Bit 7)
This bit, while set, indicates that the PWM interrupt is masked. It is set to 1 after reset.
0 = Enable PWM interrupt
1 = Mask PWM interrupt
MINT0 (Mask External INT0, Bit 8)
This bit, while set, indicates that the external interrupt INT0 is masked. It is set to 1 after
reset.
0 = Enable INT0 interrupt
1 = Mask INT0 interrupt
MINT1 (Mask External INT1, Bit 9)
This bit, while set, indicates that the external interrupt INT1 is masked. It is set to 1 after
reset.
0 = Enable INT1 interrupt
1 = Mask INT1 interrupt
MINT2 (Mask External INT2, Bit 10)
This bit, while set, indicates that the external interrupt INT2 is masked. It is set to 1 after
reset.
0 = Enable INT2 interrupt
1 = Mask INT2 interrupt
MINT3 (Mask External INT3, Bit 11)
This bit, while set, indicates that the external interrupt INT3 is masked. It is set to 1 after
reset.
0 = Enable INT3 interrupt
1 = Mask INT3 interrupt
MOTOROLA MC68328 DRAGONBALL PROCESSOR USER'S MANUAL
System Integration Module
2-11