MAC7200 datasheet(37/976 Pages) FREESCALE

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MAC7200 Microcontroller Family Reference Manual, Rev. 2

Freescale Semiconductor

xxxvii

33.12.2.3.3

Determine Gain Constant GCC / Determine Offset Constant OCC....................781

33.12.2.3.4

Adjustment Example ...........................................................................................782

33.12.3

Conversion Examples ..................................................................................................782

33.12.3.1

Example 1: A Simple Conversion ...........................................................................783

33.12.3.2

Example 2: A Simple Conversion Sequence (Convert then Pause) ........................783

33.12.3.3

Example 3: Interrupted Conversion Sequence ........................................................785

33.12.3.4

Example 4: Edge-triggered Conversion...................................................................786

33.12.3.5

Example 5: Level-triggered Conversion..................................................................787

33.12.3.6

Example 6: Queue Running Idle..............................................................................789

33.12.3.7

Example 7: Entering Low-power Mode During a Conversion................................789

33.12.3.8

Example 8: Debug Mode .........................................................................................790

33.12.3.9

Conversion Mechanism (bits CWCH, CWNF, CWGI, CWSC, CWAR) ................791

33.12.4

Reset.............................................................................................................................792

33.12.5

Interrupts......................................................................................................................792

Chapter 34

Port Integration Module (PIM_MAC7202)

34.1

Introduction......................................................................................................................795

34.1.1

Overview......................................................................................................................795

34.1.2

Features........................................................................................................................798

34.1.3

Modes of Operation .....................................................................................................798

34.1.3.1

Peripheral Mode (CONFIG::MODE[1:0] ¼ 0 0) ....................................................798

34.1.3.2

GPIO Output Mode (CONFIG::MODE[1:0] = 0 0, CONFIG::DDR = 1) ..............799

34.1.3.3

GPIO Input Mode (CONFIG::MODE[1:0] = 0 0, CONFIG::DDR = 0).................799

34.2

External Signal Description .............................................................................................799

34.2.1

Port A...........................................................................................................................803

34.2.2

Port B ...........................................................................................................................803

34.2.3

Port C ...........................................................................................................................803

34.2.4

Port D...........................................................................................................................804

34.2.5

Port E ...........................................................................................................................804

34.2.6

Port F............................................................................................................................804

34.2.7

Port G...........................................................................................................................804

34.3

PIM Bus Aborts ...............................................................................................................805

34.4

PIM Differences from MAC71xx ....................................................................................805

34.5

PIM Application Usage ...................................................................................................805

34.5.1

Enabling the PIM .........................................................................................................805

34.5.2

Using Single Pins in a Port ..........................................................................................806

34.5.3

Pin versus Port Registers .............................................................................................806

34.5.4

Peripheral Muxing .......................................................................................................806

34.6

Memory Map and Register Definition.............................................................................808

34.6.1

Register Descriptions...................................................................................................816

34.6.1.1

Pin Configuration Register (Port A, B, C, D, F, G) .................................................816

34.6.1.2

Pin Configuration Register (Port E) ........................................................................818

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