Z51F0410 Datasheet, PDF (63/184 Pages) Zilog, Inc. – Z8051 Series 8-Bit Microcontrollers

Z51F0410
Product Specification
1
IE.EA Flag  1
IEx.y  1
Program Counter low Byte
2
SP  SP + 1
M(SP)  (PCL)
Saves PC value in order to continue
process again after executing ISR
Program Counter high Byte
3
SP  SP + 1
M(SP)  (PCH)
4
Interrupt Vector Address occurrence
(Interrupt Vector Address)
5
ISR(Interrupt Service Routine) move, execute
6
Return from ISR
RETI
7
Program Counter high Byte recovery
(PCL)  (SP-1)
8
Program Counter low Byte recovery
(PCL)  (SP-1)
9
Main Program execution
Figure 3.3 Interrupt Vector Address Table
PS029502-0212
PRELIMINARY
60