MC68340AB16E Datasheet, PDF (14/441 Pages) Motorola, Inc – Integrated Processor with DMA User’s Manual

11/2/95
Fre^Se^Es^Cc^Ta^IOl^Ne ¹S^: e^Om^VEic^Ro^VIn^Ed^Wuctor, Inc. ^{UM Rev 1}
TABLE OF CONTENTS (Continued)
Paragraph
Number
Title
Page
Number
7.1.5
7.2
7.2.1
7.2.2
7.2.3
7.2.4
7.2.5
7.2.6
7.2.7
7.2.8
7.2.8.1
7.2.8.2
7.2.9
7.2.9.1
7.2.9.2
7.2.10
7.2.11
7.2.12
7.2.12.1
7.2.12.2
7.2.13
7.2.13.1
7.2.13.2
7.2.13.3
7.3
7.3.1
7.3.2
7.3.2.1
7.3.2.2
7.3.2.3
7.3.3
7.3.3.1
7.3.3.2
7.3.3.3
7.3.4
7.3.5
7.3.5.1
7.3.5.2
7.3.5.3
7.4
7.4.1
7.4.1.1
Comparison of Serial Module to MC68681.............................................7-4
Serial Module Signal Definitions...................................................................7-4
Crystal Input or External Clock (X1) ..........................................................7-5
Crystal Output (X2) .......................................................................................7-5
External Input (SCLK)..................................................................................7-6
Channel A Transmitter Serial Data Output (TxDA).................................7-6
Channel A Receiver Serial Data Input (RxDA)........................................7-6
Channel B Transmitter Serial Data Output (TxDB).................................7-6
Channel B Receiver Serial Data Input (RxDB)........................................7-6
Channel A Request-To-Send (RTSA) ......................................................7-6
RTSA...........................................................................................................7-6
OP0..............................................................................................................7-6
Channel B Request-To-Send (RTSB).......................................................7-6
RTSB ...........................................................................................................7-7
OP1..............................................................................................................7-7
Channel A Clear-To-Send (CTSA) ...........................................................7-7
Channel B Clear-To-Send (CTSB)............................................................7-7
Channel A Transmitter Ready (T≈RDYA).................................................7-7
T≈RDYA......................................................................................................7-7
OP6..............................................................................................................7-7
Channel A Receiver Ready (R≈RDYA).....................................................7-7
R≈RDYA......................................................................................................7-7
FFULLA.......................................................................................................7-7
OP4..............................................................................................................7-7
Operation............................................................................................................7-8
Baud Rate Generator ...................................................................................7-8
Transmitter and Receiver Operating Modes............................................7-8
Transmitter .................................................................................................7-10
Receiver......................................................................................................7-11
FIFO Stack..................................................................................................7-12
Looping Modes .............................................................................................7-14
Automatic Echo Mode..............................................................................7-14
Local Loopback Mode .............................................................................7-14
Remote Loopback Mode .........................................................................7-14
Multidrop Mode .............................................................................................7-15
Bus Operation................................................................................................7-17
Read Cycles...............................................................................................7-17
Write Cycles...............................................................................................7-17
Interrupt Acknowledge Cycles................................................................7-17
Register Description and Programming .......................................................7-17
Register Description.....................................................................................7-17
Module Configuration Register (MCR)..................................................7-19
MOTOROLA
MC68340 USER'S MANUAL
xiii
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