TABLE OF CONTENTS
(Continued)
Paragraph
Title
Page
D.2
D.2.1
D.2.2
D.2.3
D.2.4
D.2.5
D.2.6
D.2.7
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
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
MC68331
MOTOROLA
ix
USER’S MANUAL
MOTOROLA [ MOTOROLA ]
