Datasheet

SAM4E [DATASHEET]

Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14

Each Sector is organized in pages of 512 bytes.

For sector 0:

 The smaller sector 0 has 16 pages of 512 bytes

 The smaller sector 1 has 16 pages of 512 bytes

 The larger sector has 96 pages of 512 bytes

From Sector 1 to n:

The rest of the array is composed of 64 Kbyte sector of each 128 pages of 512 bytes. Refer to Figure 8-2, "Flash

Sector Organization" below.

Figure 8-2. Flash Sector Organization

Flash size varies by product. The Flash size of SAM4E device is 1024 Kbytes.

Refer to Figure 8-3, "Flash Size" below for the organization of the Flash following its size.

Figure 8-3. Flash Size

The following erase commands can be used depending on the sector size:

 8 Kbyte small sector

̶ Erase and write page (EWP)

̶ Erase and write page and lock (EWPL)

̶ Erase sector (ES) with FARG set to a page number in the sector to erase

Sector 0

Sector n

Smaller sector 0

Smaller sector 1

Larger sector

Flash Sector Organization

A sector size is 64 Kbytes

16 pages of 512 bytes

96 pages of 512 bytes

128 pages of 512 bytes

2 * 8 Kbytes

1 * 48 Kbytes

15 * 64 Kbytes

Flash 1 Mbyte