Table of Contents
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TABLE OF CONTENTS (Continued)
Paragraph
Number
16.14.3.1
16.14.3.2
16.14.3.3
16.14.3.4
16.14.4
Port A Example Configurations ............................................ 16-482
16.14.5
Port B Pin Functionality ........................................................ 16-484
16.14.6
The Port B Registers ............................................................ 16-485
16.14.6.1
16.14.6.2
16.14.6.3
16.14.6.4
16.14.7
Port B Configuration Example .............................................. 16-489
16.14.8
Port C Pin Functionality ........................................................ 16-494
16.14.9
Port C Registers ................................................................... 16-491
16.14.9.1
16.14.9.2
16.14.9.3
16.14.9.4
16.14.9.5
16.14.10
Port D Pin Functionality ........................................................ 16-496
16.14.11
Port D Registers ................................................................... 16-497
16.14.11.1
16.14.11.2
16.14.11.3
16.15
The CPM Interrupt Controller .......................................................... 16-498
16.15.1
Features ............................................................................... 16-500
16.15.2
CPM Interrupt Source Priorities ........................................... 16-500
16.15.2.1
16.15.2.2
16.15.2.3
16.15.3
Masking Interrupt Sources in the CPM ................................ 16-503
16.15.4
Generating and Calculating an Interrupt Vector ................... 16-504
16.15.5
Programming the CPM Interrupt Controller .......................... 16-506
16.15.5.1
16.15.5.2
16.15.5.3
16.15.5.4
16.15.5.5
16.15.6
Interrupt Handling Examples ................................................ 16-511
16.15.6.1
16.15.6.2
xxiv
Title
Port A Open-Drain Register ...................................... 16-480
Port A Data Register ................................................. 16-480
Port A Data Direction Register ................................. 16-481
Port A Pin Assignment Register ............................... 16-481
Port B Open-Drain Register ...................................... 16-485
Port B Data Register ................................................. 16-486
Port B Data Direction Register. ................................ 16-487
Port B Pin Assignment Register ............................... 16-488
Port C Data Register ................................................ 16-492
Port C Data Direction Register ................................. 16-492
Port C Pin Assignment Register ............................... 16-493
Port C Special Options Register ............................... 16-493
Port C Interrupt Control Register .............................. 16-495
Port D Data Register ................................................ 16-497
Port D Data Direction Register ................................. 16-497
Port D Pin Assignment Register. .............................. 16-498
USB and SCCx Relative Priority ............................... 16-501
Highest Priority Interrupt ........................................... 16-501
Nested Interrupts ...................................................... 16-503
CPM Interrupt Configuration Register ...................... 16-506
CPM Interrupt Pending Register ............................... 16-508
CPM Interrupt Mask Register ................................... 16-509
CPM Interrupt In-Service Register ............................ 16-510
CPM Interrupt Vector Register ................................. 16-511
PC6 Interrupt Handler Example ................................ 16-511
USB Interrupt Handler Example ............................... 16-512
MPC823e REFERENCE MANUAL
Page
Number
MOTOROLA
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