68HC05C5 datasheet(3/58 Pages) FREESCALE

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Page iv

MOTOROLA

MC68HC05C5 Specification Release 1.2

4.3.3

EXTENDED ........................................................................ 21

4.3.4

RELATIVE........................................................................... 21

4.3.5

INDEXED, NO OFFSET ..................................................... 22

4.3.6

INDEXED, 8-BIT OFFSET .................................................. 22

4.3.7

INDEXED, 16-BIT OFFSET ................................................ 22

4.3.8

BIT SET/CLEAR ................................................................. 22

4.3.9

BIT TEST AND BRANCH ................................................... 22

4.3.10

INHERENT.......................................................................... 23

4.4

RESETS ................................................................................... 23

4.4.1

POWER-ON RESET (POR)................................................ 23

4.4.2

RESET PIN ......................................................................... 24

4.4.3

COMPUTER OPERATING PROPERLY (COP) RESET..... 24

4.5

INTERRUPTS .......................................................................... 24

4.5.1

HARDWARE CONTROLLED INTERRUPT SEQUENCE... 25

4.5.2

SOFTWARE INTERRUPT (SWI) ........................................ 25

4.5.3

EXTERNAL INTERRUPT ................................................... 25

4.5.4

TIMER INTERRUPT ........................................................... 26

4.6

LOW-POWER MODES ............................................................ 28

4.6.1

STOP .................................................................................. 28

4.6.2

WAIT ................................................................................... 29

SECTION 5

INPUT/OUTPUT PORTS ................................................31

5.1

PORT A .................................................................................... 31

5.2

PORT B .................................................................................... 31

5.3

PORT C .................................................................................... 31

5.4

PORT D .................................................................................... 31

5.5

INPUT/OUTPUT PROGRAMMING .......................................... 32

SECTION 6

TIMER.............................................................................33

6.1

INTRODUCTION ...................................................................... 33

6.2

COUNTER................................................................................ 34

6.3

OUTPUT COMPARE REGISTER ............................................ 34

6.4

INPUT CAPTURE REGISTER ................................................. 35

6.5

TIMER CONTROL REGISTER (TCR) $12............................... 35

6.6

TIMER STATUS REGISTER (TSR) $13 .................................. 37

6.7

TIMER DURING WAIT MODE ................................................. 38

6.8

TIMER DURING STOP MODE................................................. 38

SECTION 7

SIMPLE SERIAL INPUT/OUTPUT PORT......................39

7.1

SIGNAL FORMAT .................................................................... 39

7.1.1

SCK..................................................................................... 39

7.1.2

SDO .................................................................................... 39

7.1.3

SDI ...................................................................................... 40

7.2

SIOP REGISTERS ................................................................... 40

7.2.1

SIOP CONTROL REGISTER (SCR)................................... 40

7.2.2

SIOP STATUS REGISTER (SSR) ...................................... 42

7.2.3

SIOP DATA REGISTER (SDR)........................................... 42

Freescale Semiconductor, Inc.

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