SONIX SN8P2501D - 2 Central Processor Unit (CPU); 2.1 Program Memory (ROM)

SN8P2501D
8-Bit Micro-Controller
SONiX TECHNOLOGY CO., LTD Page 11 Version 1.5
2
2
2
CENTRAL PROCESSOR UNIT (CPU)
2.1 PROGRAM MEMORY (ROM)
 1K words ROM
ROM
0000H
Reset vector
User reset vector
Jump to user start address
0001H
General purpose area
.
.
0007H
0008H
Interrupt vector
User interrupt vector
0009H
General purpose area
User program
.
.
000FH
0010H
0011H
.
.
03FCH
End of user program
03FDH
Reserved
03FEH
03FFH
The ROM includes Reset vector, Interrupt vector, General purpose area and Reserved area. The Reset vector is
program beginning address. The Interrupt vector is the head of interrupt service routine when any interrupt occurring.
The General purpose area is main program area including main loop, sub-routines and data table.