TABLE OF CONTENTS
(Continued)
Paragraph
Title
Page
7.3.1
7.3.2
7.3.3
7.3.4
Low-Power Stop Mode ...........................................................................7-3
Freeze Mode ..........................................................................................7-3
Single-Step Mode ...................................................................................7-3
Test Mode ..............................................................................................7-4
7.4
Polled and Interrupt-Driven Operation ............................................................7-4
Polled Operation .....................................................................................7-4
GPT Interrupts ........................................................................................7-5
Pin Descriptions .............................................................................................7-6
Input Capture Pins (IC[1:3]) ....................................................................7-6
Input Capture/Output Compare Pin (IC4/OC5) ......................................7-6
Output Compare Pins (OC[1:4]) .............................................................7-6
Pulse Accumulator Input Pin (PAI) .........................................................7-7
Pulse-Width Modulation (PWMA, PWMB) ..............................................7-7
Auxiliary Timer Clock Input (PCLK) ........................................................7-7
General-Purpose I/O ......................................................................................7-7
Prescaler ........................................................................................................7-8
Capture/Compare Unit ...................................................................................7-9
Timer Counter ......................................................................................7-11
Input Capture Functions .......................................................................7-11
Output Compare Functions ..................................................................7-12
Output Compare 1 ........................................................................ 7-13
Forced Output Compare .............................................................. 7-13
Input Capture 4/Output Compare 5 ..............................................................7-13
Pulse Accumulator .......................................................................................7-14
Pulse-Width Modulation Unit ........................................................................7-15
PWM Counter .......................................................................................7-16
PWM Function ......................................................................................7-17
7.4.1
7.4.2
7.5
7.5.1
7.5.2
7.5.3
7.5.4
7.5.5
7.5.6
7.6
7.7
7.8
7.8.1
7.8.2
7.8.3
7.8.3.1
7.8.3.2
7.9
7.10
7.11
7.11.1
7.11.2
APPENDIX A ELECTRICAL CHARACTERISTICS
APPENDIX B MECHANICAL DATA AND ORDERING INFORMATION
APPENDIX CDEVELOPMENT SUPPORT
C.1
C.2
M68MMDS1632 Modular Development System ...................................... C-1
M68MEVB1632 Modular Evaluation Board .............................................. C-2
APPENDIX D REGISTER SUMMARY
D.1
D.1.1
D.1.2
Central Processing Unit ............................................................................ D-1
CPU32 Register Model ..................................................................... D-2
— Status Register ............................................................................ D-3
MOTOROLA
viii
MC68331
USER’S MANUAL
MOTOROLA [ MOTOROLA ]
