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TABLE OF CONTENTS (Continued)
Paragraph
Number
Page
Number
Title
MOTOROLA
MPC801 USER’S MANUAL
xv
15.4.3
15.4.4
15.4.5
15.4.6
15.4.7
15.4.8
15.4.9
Base Register .........................................................................15-70
Option Register ......................................................................15-72
Machine A Mode Register ......................................................15-75
Machine B Mode Register ......................................................15-78
Memory Command Register ..................................................15-82
Memory Data Register ...........................................................15-84
Memory Address Register ......................................................15-84
Section 16
Serial Communication Modules
16.1
16.2
16.3
16.3.1
16.3.1.1
16.3.1.2
16.3.1.3
16.3.1.4
16.4
16.4.1
16.4.1.1
16.4.2
16.4.2.1
16.4.2.2
16.4.2.3
16.4.2.4
16.4.3
16.4.3.1
16.4.3.2
16.4.3.3
16.4.3.4
16.5
16.5.1
16.5.2
16.5.3
16.5.3.1
16.5.3.2
16.5.3.3
16.5.3.4
The UART Controllers ........................................................................16-1
Features .............................................................................................16-2
Serial Interface Signals ......................................................................16-2
Sub-Block Description ..............................................................16-3
The Transmitter ............................................................16-3
The Receiver ................................................................16-5
The Baud Rate Generator ............................................16-8
The Global Controller Interface .....................................16-8
The Serial Controller ........................................................................16-15
Programming the Serial Controller .........................................16-15
Serial Controller Command Register ..........................16-15
The Serial Peripheral Interface ...............................................16-15
Features ......................................................................16-16
Clocking and Pin Functions ........................................16-17
SPI Transmission and Reception Process .................16-18
Programming the Serial Peripheral Interface ..............16-20
The I
C Controller ...................................................................16-26
Features ......................................................................16-27
Clocking and Pin Functions ........................................16-28
I
C Controller Transmission and Reception Process...16-28
Programming the I
C Controller ..................................16-30
The Parallel I/O Port .........................................................................16-35
Features .................................................................................16-35
Port B Pin Functions ...............................................................16-35
The Port B Registers ..............................................................16-37
Port B Open-Drain Register ........................................16-37
Port B Data Register ...................................................16-37
Port B Data Direction Register ....................................16-38
Port B Pin Assignment Register .................................16-38
2
2
2