ST10F269Z2Q3 datasheet(2/161 Pages) STMICROELECTRONICS

Teilenummer	ST10F269Z2Q3

Bauteilbeschribung	16-BIT MCU WITH MAC UNIT, 256K BYTE FLASH MEMORY AND 12K BYTE RAM

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Hersteller	STMICROELECTRONICS [STMicroelectronics]

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ST10F269Z2Qx

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TABLE OF CONTENTS

PAGE

1 -

INTRODUCTION ........................................................................................................

6

2 -

PIN DATA ...................................................................................................................

7

3 -

FUNCTIONAL DESCRIPTION ...................................................................................

13

4 -

MEMORY ORGANIZATION .......................................................................................

14

5 -

INTERNAL FLASH MEMORY ...................................................................................

17

5.1 -

OVERVIEW ................................................................................................................

17

5.2 -

OPERATIONAL OVERVIEW ......................................................................................

17

5.3 -

ARCHITECTURAL DESCRIPTION ............................................................................

19

5.3.1 -

Read Mode .................................................................................................................

19

5.3.2 -

Command Mode .........................................................................................................

19

5.3.3 -

Ready/Busy Signal .....................................................................................................

19

5.3.4 -

Flash Status Register .................................................................................................

19

5.3.5 -

Flash Protection Register ...........................................................................................

21

5.3.6 -

Instructions Description ..............................................................................................

21

5.3.7 -

Reset Processing and Initial State ..............................................................................

25

5.4 -

FLASH MEMORY CONFIGURATION ........................................................................

25

5.5 -

APPLICATION EXAMPLES .......................................................................................

25

5.5.1 -

Handling of Flash Addresses ......................................................................................

25

5.5.2 -

Basic Flash Access Control ........................................................................................

26

5.5.3 -

Programming Examples .............................................................................................

27

5.6 -

BOOTSTRAP LOADER ............................................................................................

30

5.6.1 -

Entering the Bootstrap Loader ....................................................................................

30

5.6.2 -

Memory Configuration After Reset .............................................................................

31

5.6.3 -

Loading the Startup Code ...........................................................................................

32

5.6.4 -

Exiting Bootstrap Loader Mode ..................................................................................

32

5.6.5 -

Choosing the Baud Rate for the BSL .........................................................................

33

6 -

CENTRAL PROCESSING UNIT (CPU) .....................................................................

34

6.1 -

MULTIPLIER-ACCUMULATOR UNIT (MAC) .............................................................

35

6.1.1 -

Features .....................................................................................................................

36

6.1.1.1 -

Enhanced Addressing Capabilities ..............................................................................

36

6.1.1.2 -

Multiply-Accumulate Unit .............................................................................................

36

6.1.1.3 -

Program Control ..........................................................................................................

36

6.2 -

INSTRUCTION SET SUMMARY ................................................................................

37

6.3 -

MAC COPROCESSOR SPECIFIC INSTRUCTIONS .................................................

38

7 -

EXTERNAL BUS CONTROLLER ..............................................................................

42

7.1 -

PROGRAMMABLE CHIP SELECT TIMING CONTROL ............................................

42

7.2 -

READY PROGRAMMABLE POLARITY .....................................................................

42

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