Program Memory (Rom) - Samsung S3C9228 User Manual

ADDRESS SPACES

PROGRAM MEMORY (ROM)

Program memory (ROM) stores program code or table data. The S3C9228 has 8K bytes of mask-programmable
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.
2-2
(Decimal)
8,192
256
2
1
0
Figure 2-1. S3C9228/P9228 Program Memory Address Space
(Hex)
1FFFH
8K bytes
Internal
Program
Memory
Area
Program Start 0100H
0002H
Interrupt
0001H
Vector
0000H
S3C9228/P9228_UM_REV1.10