PAC7202MPV70 datasheet(4/976 Pages) FREESCALE

4 / 976 page

MAC7200 Microcontroller Family Reference Manual, Rev. 2

Freescale Semiconductor

Chapter 2

Modes of Operation

2.1

Introduction........................................................................................................................15

2.2

MCU Hardware Configuration Summary..........................................................................15

2.3

Security ..............................................................................................................................15

2.3.1

Operation of the Secured Microcontroller .....................................................................16

2.3.1.1

Single Chip Secured Mode ........................................................................................16

2.3.1.2

Executing from External Memory .............................................................................16

2.3.2

Securing the Microcontroller .........................................................................................16

2.3.3

Unsecuring the Microcontroller.....................................................................................16

2.3.3.1

Software Unsecure.....................................................................................................17

2.3.3.2

JTAG Lockout Recovery ...........................................................................................17

2.4

MCU Mode Selection ........................................................................................................17

2.4.1

Normal Single Chip Mode.............................................................................................18

2.4.2

Secured Single Chip Mode ............................................................................................18

2.4.3

Normal Primary Bootloader Mode ................................................................................19

2.4.4

Secured Primary Bootloader Mode................................................................................19

2.4.5

Normal Expanded Mode ................................................................................................19

2.4.6

Secured Expanded Mode ...............................................................................................20

2.5

Oscillator Type Selection ...................................................................................................20

2.6

Nexus Port Selection..........................................................................................................20

2.7

External Bus Configuration ...............................................................................................21

2.8

Low Power Modes .............................................................................................................21

2.8.1

Doze ...............................................................................................................................22

2.8.2

Run.................................................................................................................................22

2.9

Debug Mode ......................................................................................................................22

Chapter 3

Low Power Modes

3.1

Low Power Modes Introduction ........................................................................................23

3.2

Run Mode ..........................................................................................................................23

3.3

Doze Mode.........................................................................................................................23

3.4

Disabled Mode ...................................................................................................................24

3.5

System Wakeup..................................................................................................................25

3.6

Low Power Mode Differences from MAC71xx ................................................................25

3.7

Low Power Mode Summary ..............................................................................................26

3.8

Special Notes on Entering and Exiting Power Modes .......................................................26

Chapter 4

Signal Description

4.1

Device Pinout.....................................................................................................................29

PAC7202MPV70 Datasheet(PDF) 4 Page - Freescale Semiconductor, Inc

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