Datasheet

24
6222GS–ATARM–6-Sep-11
SAM7SE512/256/32 Summary
Figure 8-2. Internal Memory Mapping with GPNVM Bit 2 = 0 (default)
Figure 8-3. Internal Memory Mapping with GPNVM Bit 2 = 1
8.1.2 Embedded Flash
8.1.2.1 Flash Overview
The Flash of the SAM7SE512 is organized in two banks (dual plane) of 1024 pages of 256
bytes. It reads as 131,072 32-bit words.
The Flash of the SAM7SE256 is organized in 1024 pages (single plane) of 256 bytes. It reads as
65,536 32-bit words.
The Flash of the SAM7SE32 is organized in 256 pages (single plane) of 128 bytes. It reads as
8192 32-bit words.
The Flash of the SAM7SE32 contains a 128-byte write buffer, accessible through a 32-bit
interface.
The Flash of the SAM7SE512/256 contains a 256-byte write buffer, accessible through a 32-bit
interface.
256M Bytes
ROM Before Remap
SRAM After Remap
Undefined Areas
(Abort)
0x000F FFFF
0x001F FFFF
0x002F FFFF
0x0FFF FFFF
1 M Bytes
1 M Bytes
1 M Bytes
252 M Bytes
Internal FLASH
Internal SRAM
0x0000 0000
0x0010 0000
0x0020 0000
0x0030 0000
Internal ROM
0x003F FFFF
0x0040 0000
1 M Bytes
256M Bytes
Flash Before Remap
SRAM After Remap
Undefined Areas
(Abort)
0x000F FFFF
0x001F FFFF
0x002F FFFF
0x0FFF FFFF
1 M Bytes
1 M Bytes
1 M Bytes
252 M Bytes
Internal FLASH
Internal SRAM
0x0000 0000
0x0010 0000
0x0020 0000
0x0030 0000
Internal ROM
0x003F FFFF
0x0040 0000
1 M Bytes