
MC68HC11KW1
MOTOROLA
vii
TABLE OF CONTENTS
Paragraph
Number
Page
Number
TITLE
9.2.7
9.2.8
9.2.9
9.2.10
9.3
9.3.1
9.3.2
9.3.3
9.3.4
9.3.5
9.3.6
9.3.7
9.4
9.4.1
9.4.2
9.4.3
9.5
9.6
9.6.1
9.6.2
9.6.3
9.6.3.1
9.6.3.2
9.7
9.7.1
9.7.2
9.7.2.1
9.7.2.2
9.7.3
9.7.4
9.7.5
9.7.6
9.7.7
9.7.8
9.7.9
TCTL3 — Timer control register 3 (Timer 2)....................................................9-20
TCTL4 — Timer control register 4 (Timer 2)....................................................9-21
T2MSK — Timer 2 interrupt mask register.......................................................9-22
T2FLG — Timer 2 interrupt flag register..........................................................9-23
Timer 3 ..................................................................................................................9-24
T3C4 — Timer 3 channel 4 register.................................................................9-24
T3OC1–T3OC3 — Timer 3 output compare registers .....................................9-26
TCNT3 — Timer 3 counter register..................................................................9-26
TCTL5 — Timer control register 5 (Timer 3)....................................................9-27
TCTL6 — Timer control register 6 (Timer 3)....................................................9-27
T3MSK — Timer 3 interrupt mask register.......................................................9-29
T3FLG — Timer 3 interrupt flag register..........................................................9-30
Real-time interrupt.................................................................................................9-31
TMSK2 — Timer interrupt mask register 2.......................................................9-31
TFLG2 — Timer interrupt flag register 2..........................................................9-32
PACTL — Pulse accumulator control register..................................................9-33
Computer operating properly watchdog function...................................................9-33
Pulse accumulator.................................................................................................9-33
PACTL — Pulse accumulator control register..................................................9-35
PACNT — Pulse accumulator count register ...................................................9-36
Pulse accumulator status and interrupt bits.....................................................9-36
TMSK2 — Timer interrupt mask 2 register.................................................9-36
TFLG2 — Timer interrupt flag 2 register ....................................................9-36
Pulse-width modulation (PWM) timer ....................................................................9-37
PWM timer block diagram................................................................................9-38
PWCLK — PWM clock prescaler and 16-bit select register.............................9-38
16-bit PWM function...................................................................................9-38
Clock prescaler selection ...........................................................................9-40
PWPOL — PWM timer polarity & clock source select register ........................9-41
PWSCAL — PWM timer prescaler register......................................................9-41
PWEN — PWM timer enable register..............................................................9-42
PWCNT1–4 — PWM timer counter registers 1 to 4.........................................9-43
PWPER1–4 — PWM timer period registers 1 to 4...........................................9-43
PWDTY1–4 — PWM timer duty cycle registers 1 to 4.....................................9-44
Boundary cases...............................................................................................9-44
10
ANALOG-TO-DIGITAL CONVERTER
10.1
10.2
10.3
10.3.1
10.3.2
10.3.3
Conversion process.............................................................................................10-2
Channel assignments..........................................................................................10-2
Single channel operation.....................................................................................10-3
4-conversion, single scan...............................................................................10-4
4-conversion, continuous scan.......................................................................10-4
8-conversion, single scan...............................................................................10-4
TPG
9