Samsung S3F80JB manual Interrupt Vector Addresses, ROM Vector Address Area

S3F80JB INTERRUPT STRUCTURE

INTERRUPT VECTOR ADDRESSES

All interrupt vector addresses for the S3F80JB interrupt structure are stored in the vector address area of the internal program memory ROM, 00H–FFH (See Figure 5-3).

You can allocate unused locations in the vector address area as normal program memory. If you do so, please be careful not to overwrite any of the stored vector addresses (Table 5-1 lists all vector addresses).

The program reset address in the ROM is 0100H. Reset address can be changed by smart option (Refer to Table 15-3 or Figure 2-2).

(Decimal)

65,536

255

0

64-Kbyte

Internal Program Memory

(Flash Memory)

ISP Sector

Interrupt Vector Area

Smart Option Rom Cell

(HEX)

FFFFH

01FFH, 02FFH, 04FFH or 08FFH

00FFH

003FH

003CH

0000H

Figure 5-3. ROM Vector Address Area

5-5