MC80F0224 Datasheet, PDF (97/128 Pages) List of Unclassifed Manufacturers – 8-BIT SINGLE-CHIP MICROCONTROLLERS

Preliminary
MC80F0208/16/24
max. 12 f_XIN
8 f_XIN
Interrupt Interrupt
goes latched
active
Interrupt
processing
Interrupt
routine
Figure 19-9 Interrupt Response Timing Diagram
IEDS
MSB
LSB
W
W
W
W
W
W
W
W
IED3H IED3L IED2H IED2L IBETDC1LH IED1L IED0H IED0L
INT3
INT2
INT1
INT0
Edge selection register
00: Reserved
01: Falling (1-to-0 transition)
10: Rising (0-to-1 transition)
11: Both (Rising & Falling)
ADDRESS: 0EE_H
INITIAL VALUE: 00_H
W
W
PSR0
PWM3O -
MSB
0: R54
1: PWM3O/T3O
0: R51
1: EC1
0: R15
1: EC0
W
EC1E
W
W
W
W
W
EC0E BINTTC3LE INT2E INT1E INT0E
LSB
ADDRESS: 0F8_H
INITIAL VALUE: 0-00 0000_B
0: R10
1: INT0
0: R11
1: INT1
0: R12
1: INT2
0: R50
1: INT3
Figure 19-10 IEDS register and Port Selection Register PSR0
MAR. 2005 Ver 0.2
93