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ADDRESS SPACES S3C9228/P9228
2-2
PROGRAM MEMORY (ROM)
Program memory (ROM) stores program code or table data. The S3C9228 has 8K bytes of mask-programable
program memory. The program memory address range is therefore 0H-1FFFH. The first 2 bytes of the ROM
(0000H–0001H) are an interrupt vector address. The program reset address in the ROM is 0100H.
8,192
256
1FFFH
0100H
0
8K bytes
Internal
Program
Memory
Area
Interrupt
Vector
1
2 0002H
0001H
Program Start
0000H
(Decimal)
(Hex)
Figure 2-1. S3C9228/P9228 Program Memory Address Space