MC68331
USER’S MANUAL
MOTOROLA
ix
TABLE OF CONTENTS
(Continued)
Title
Paragraph
Page
D.2
D.2.1
D.2.2
D.2.3
D.2.4
D.2.5
D.2.6
D.2.7
D.2.8
D.2.9
D.2.10
D.2.11
D.2.12
D.2.13
D.2.14
D.2.15
D.2.16
D.2.17
D.2.18
D.3
D.3.1
D.3.2
D.3.3
D.3.4
D.3.5
D.3.6
D.3.7
D.3.8
D.3.9
D.3.10
D.3.11
D.3.12
D.3.13
D.3.14
D.3.15
D.3.16
D.3.17
D.3.18
D.3.19
D.3.20
D.3.21
General-Purpose Timer ............................................................................ D-4
GPTMCR — GPT Module Configuration Register............................ D-4
GPTMTR — GPT Module Test Register (Reserved)........................ D-5
ICR — GPT Interrupt Configuration Register.................................... D-5
DDRGP — Port GP Data Direction Register..................................... D-6
OC1M— OC1 Action Mask Register................................................. D-6
TCNT — Timer Counter Register ..................................................... D-6
PACTL — Pulse Accumulator Control Register................................ D-7
TIC[1:3] — Input Capture Registers 1–3 .......................................... D-8
TOC[1:4] — Output Compare Registers 1–4 ................................... D-8
TI4/O5 — Input Capture 4/Output Compare 5 Register.................... D-8
TCTL1/TCTL2 — Timer Control Registers 1 and 2........................... D-8
TMSK1/TMSK2 — Timer Interrupt Mask Registers 1 and 2 ............. D-9
TFLG1/TFLG2 — Timer Interrupt Flag Registers 1 and 2.............. D-10
CFORC — Compare Force Register............................................... D-10
PWMA/PWMB — PWM Registers A/B ........................................... D-12
PWMCNT — PWM Count Register ............................................... D-12
PWMBUFA — PWM Buffer Register A .......................................... D-12
PRESCL — GPT Prescaler ............................................................ D-12
System Integration Module ..................................................................... D-13
SIMCR — Module Configuration Register ...................................... D-14
SIMTR — System Integration Test Register................................... D-15
SYNCR — Clock Synthesizer Control Register ............................. D-15
RSR — Reset Status Register ....................................................... D-16
SIMTRE — System Integration Test Register (ECLK).................... D-17
PORTE0/PORTE1 — Port E Data Register.................................... D-17
DDRE — Port E Data Direction Register ........................................ D-17
PEPAR — Port E Pin Assignment Register.................................... D-17
PORTF0/PORTF1 — Port F Data Register..................................... D-18
DDRF — Port F Data Direction Register......................................... D-18
PFPAR — Port F Pin Assignment Register..................................... D-18
SYPCR — System Protection Control Register.............................. D-19
PICR — Periodic Interrupt Control Register.................................... D-20
PITR — Periodic Interrupt Timer Register ...................................... D-20
SWSR — Software Service Register .............................................. D-21
TSTMSRA — Master Shift Register A............................................. D-21
TSTMSRB — Master Shift Register B............................................. D-21
TSTSC — Test Module Shift Count ................................................ D-21
TSTRC — Test Module Repetition Count....................................... D-21
CREG — Test Submodule Control Register .................................. D-21
DREG — Distributed Register......................................................... D-21