RM0366 Datasheet, PDF (44/868 Pages) STMicroelectronics – This reference manual targets application developers

RM0366
3
Embedded Flash memory
Embedded Flash memory
3.1
Flash main features
Up to 64 Kbytes of Flash memory
• Memory organization:
– Main memory block:
8 Kbits × 64 bits
– Information block:
1280 × 64 bits
Flash memory interface (FLITF) features:
• Read interface with prefetch buffer (2 × 64-bit words)
• Option byte loader
• Flash program/Erase operation
• Read/Write protection
• low-power mode
3.2
3.2.1
Flash memory functional description
Flash memory organization
The Flash memory is organized as 64-bit wide memory cells that can be used for storing
both code and data constants.
The memory organization is based on a main memory block containing 32 pages of
2 Kbytes and an information block as shown in Table 3.
Flash area
Main memory
Table 3. Flash module organization⁽¹⁾
Flash memory addresses
Size
(bytes)
0x0800 0000 - 0x0800 07FF
2K
0x0800 0800 - 0x0800 0FFF
2K
0x0800 1000 - 0x0800 17FF
2K
0x0800 1800 - 0x0800 1FFF
2K
.
.
.
.
.
.
.
.
.
.
.
.
.
.
0x0801 F800-0x0801 FFFF
2K
Name
Page 0
Page 1
Page 2
Page 3
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