MC95FG0128A
Aug 02, 2018 Ver.2.9
63
interrupt return instruction [RETI]. After generating interrupt, to go to interrupt service routine, the
following process is progressed
Figure 10.3 Interrupt Sequence Flow
Saves PC value in order to continue
process again after executing ISR
IE.EA Flag
1
IEx.y
1
1
Program Counter low Byte
SP
SP + 1
M(SP)
(PCL)
2
Program Counter high Byte
SP
SP + 1
M(SP)
(PCH)
3
Interrupt Vector Address occurrence
(Interrupt Vector Address)
4
ISR(Interrupt Service Routine) move, execute
5
Return from ISR
RETI
6
Program Counter high Byte recovery
(PCH)
M(SP)
SP
SP - 1
7
Main Program execution
9
Program Counter low Byte recovery
(PCL)
M(SP)
SP
SP - 1
8
Summary of Contents for MC95FG0128A
Page 26: ...MC95FG0128A 26 Aug 02 2018 Ver 2 9 4 Package Diagram Figure 4 1 100 pin LQFP package...
Page 27: ...MC95FG0128A Aug 02 2018 Ver 2 9 27 Figure 4 2 80 pin LQFP package...
Page 28: ...MC95FG0128A 28 Aug 02 2018 Ver 2 9 Figure 4 3 80 pin MQFP package...
Page 29: ...MC95FG0128A Aug 02 2018 Ver 2 9 29 Figure 4 4 64 pin LQFP package...
Page 30: ...MC95FG0128A 30 Aug 02 2018 Ver 2 9 Figure 4 5 64 pin LQFP14 package...