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ST10F272Z2Q3 View Datasheet(PDF) - STMicroelectronics

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ST10F272Z2Q3 Datasheet PDF : 179 Pages
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Internal Flash memory
5
Internal Flash memory
5.1
Overview
The on-chip Flash is composed by one matrix module, 256 KBytes wide.
This module is on ST10 Internal bus, so it is called IFLASH
Figure 5. Flash structure
IFLASH
Control Section
Flash Control
Registers
HV and Ref.
Generator
Bank 0: 256 Kbyte
Program Memory
+
8 Kbyte Test-Flash
Program/Erase
Controller
ST10F272
I-BUS Interface
The programming operations of the flash are managed by an embedded Flash
Program/Erase Controller (FPEC). The High Voltages needed for Program/Erase operations
are internally generated.
The Data bus is 32-bit wide for fetch accesses to IFLASH, while it is 16 bit wide for read
accesses to IFLASH. Read/write accesses to IFLASH Control Registers area are 16 bit
wide.
5.2
5.2.1
Functional description
Structure
The following table shows the Address space reserved to the Flash module.
Table 3. Address space reserved to the Flash module
Description
Addresses
IFLASH sectors
0x00 0000 to 0x04 FFFF
Reserved IBUS area
Registers and Flash internal reserved area
0x05 0000 to 0x07 FFFF
0x08 0000 to 0x08 FFFF
Size
256 Kbyte
192 Kbyte
64 Kbyte
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