AN2169

Modified features

9/33

1.4.1

Hardware impact

The 12 volts input on pin 84 is no longer needed.

1.4.2

Software impact

The mapping of the application and the programming and erasing routines are impacted.

Figure 1.

ST10F168 & ST10 F276 Flash Memories’ Mapping

Note:

On the ST10F168, Bank 0 and Bank 1L may be remapped from segment 0 to segment 1 by

setting SYSCON.ROMS1.

On the ST10F276, sectors in segment 0 may be remapped to segment 1 by setting

SYSCON.ROMS1.

Programming

method

STEAK TM

Write/Erase Controller

Program/Erase

cycles

10 Kcycles, 20 years data retention

100 Kcycles, 20 years data retention

ST10F168

ST10F276

00’0000 - 00’3FFF

00’0000 - 00’1FFF

00’2000 - 00’3FFF

00’4000 - 00’7FFF

00’4000 - 00’7FFF

00’8000 -00’FFFF

00’8000 -00’FFFF

01’0000 - 01’7FFF

01’4000 - 01’7FFF

01’0000 - 01’3FFF

01’8000 - 01’FFFF

01’8000 - 01’FFFF

02’0000 - 02’FFFF

03’0000 - 03’FFFF

02’0000 - 03’7FFF

03’8000 - 04’FFFF

04’0000 - 04’FFFF

05’0000 - 05’ FFFF

06’0000 - 06’FFFF

07’0000 - 07’FFFF

08’0000 - 08’FFFF

09’0000 - 09’FFFF

0A’0000 - 0A’FFFF

0B’0000 - 0B’FFFF

0C’0000 - 0C’FFFF

0D’0000 - 0D’FFFF

0E’0000 - 0E’FFFF

ST10F276 Mapping

ST10F168 mapping

B0F0:8KB

B0F1:8KB

B0F2:8KB & B0F3: 8KB

Bank 0 : 16 Kbytes

Bank 1L : 16 Kbytes

Reserved for Flash registers

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

Segment

number

Bank 1 H : 32 Kbytes

Bank 2 : 96 Kbytes

Bank 3 : 96 Kbytes

B0F4: 32KB

B0F5: 64KB

B0F6: 64KB

B0F7: 64KB

B0F8: 64KB

B0F9 : 64KB

B1F0 : 64KB

B1F1 : 64KB

B2F0 : 64KB

B2F1 : 64KB

B2F2: 64KB

B3F0 : 64KB

B3F1: 64KB

External memory + IRAM

Alternate Flash Area

External memory+IRAM

Alternate Flash Area

Alternate Flash Area