MC68LC302 Datasheet, PDF (7/169 Pages) Motorola, Inc – Low Power Integrated Multiprotocol Processor Reference Manual

Table of Contents
Paragraph
Number
4.3.3
4.3.4
4.3.5
4.3.6
4.3.7
4.3.8
4.3.8.1
4.3.8.2
4.3.8.3
4.3.8.4
4.3.8.5
4.3.8.6
4.3.9
4.3.9.1
4.3.9.2
4.3.9.3
4.3.9.4
4.3.9.4.1
4.3.9.4.2
4.3.9.4.3
4.3.9.4.4
4.3.9.5
4.3.9.6
4.3.9.7
4.3.9.8
4.3.9.8.1
4.3.9.8.2
4.3.9.9
4.3.10
4.3.10.1
4.3.10.2
4.3.10.3
4.3.10.4
4.3.10.5
4.3.10.6
4.3.11
4.3.11.1
4.3.11.2
4.3.11.3
4.3.11.4
4.3.11.5
4.3.11.6
4.3.12
4.3.12.1
4.3.12.2
Title
Page
Number
SCC Mode Register (SCM)......................................................................4-5
SCC Data Synchronization Register (DSR).............................................4-6
Buffer Descriptors Table ..........................................................................4-6
SCC Parameter RAM Memory Map.........................................................4-7
Interrupt Mechanism ................................................................................4-7
UART Controller.......................................................................................4-7
UART Memory Map .................................................................................4-7
UART Mode Register...............................................................................4-8
UART Receive Buffer Descriptor (Rx BD) ...............................................4-8
UART Transmit Buffer Descriptor (Tx BD)...............................................4-8
UART Event Register...............................................................................4-9
UART MASK Register..............................................................................4-9
Autobaud Controller (New) ......................................................................4-9
Autobaud Channel Reception Process ....................................................4-9
Autobaud Channel Transmit Process ....................................................4-11
Autobaud Parameter RAM.....................................................................4-11
Autobaud Programming Model ..............................................................4-13
Preparing for the Autobaud Process......................................................4-13
Enter_Baud_Hunt Command.................................................................4-14
Autobaud Command Descriptor.............................................................4-14
Autobaud Lookup Table.........................................................................4-15
Lookup Table Example ..........................................................................4-17
Determining Character Length and Parity..............................................4-17
Autobaud Reception Error Handling Procedure.....................................4-18
Autobaud Transmission .........................................................................4-18
Automatic Echo......................................................................................4-19
Smart Echo ............................................................................................4-19
Reprogramming to UART Mode or Another Protocol ............................4-20
HDLC Controller.....................................................................................4-20
HDLC Memory Map ...............................................................................4-20
HDLC Mode Register.............................................................................4-20
HDLC Receive Buffer Descriptor (Rx BD) .............................................4-21
HDLC Transmit Buffer Descriptor (Tx BD).............................................4-21
HDLC Event Register.............................................................................4-21
HDLC Mask Register .............................................................................4-21
BISYNC Controller .................................................................................4-22
BISYNC Memory Map............................................................................4-22
BISYNC Mode Register .........................................................................4-22
BISYNC Receive Buffer Descriptor (Rx BD)..........................................4-22
BISYNC Transmit Buffer Descriptor (Tx BD). ........................................4-22
BISYNC Event Register .........................................................................4-23
BISYNC Mask Register..........................................................................4-23
Transparent Controller ...........................................................................4-23
Transparent Memory Map......................................................................4-23
Transparent Mode Register ...................................................................4-24
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MC68LC302 REFERENCE MANUAL
MOTOROLA