DP8344 datasheet(5/184 Pages) NSC

5 / 184 page

List of Illustrations (Continued)

System Block Diagram Showing Details of Line Interface

3-1

Biphase Encoding

3-2

32703299 Protocol Framing Format

3-3

5250 Protocol Framing Format

3-4

General Purpose 8-Bit Protocol Framing Format

3-5

Block Diagram of Transceiver Showing CPU Interface

3-6

Transmitter Output

3-7

Timing of Receiver Flags Relative to Incoming Data

3-8

3270 3299 Frame AssemblyDisassembly Description

3-9

5250 Frame AssemblyDisassembly Description

3-10

General Purpose 8-Bit Frame AssemblyDisassembly Description

3-11

BCP Receiver Design

3-12

BCP Driver Design

3-13

BCP CoaxTwisted Pair Front End

3-14

5250 Line Interface Schematic

3-15

Remote Interface Processor

4-1

Remote Interface Control Register

4-2

Generic Remote Access

4-3

Generic RIC Access

4-4

Memory Select Bits in RIC

4-5

Generic DMEM Access

4-6

Generic PC Access

4-7

Generic IMEM Access

4-8

Read from Remote Processor

4-9

Buffered Write from Remote Processor

4-10

Latched Write from Remote Processor

4-11

Minimum BCPRemote Processor Interface

4-12

Interface Mode Bits

4-13

Flow Chart of Buffered Read Mode

4-14

Buffered Read of Data Memory by Remote Processor

4-15

Flow Chart of Latched Read Mode

4-16

Latched Read of Data Memory by Remote Processor

4-17

Flow Chart of Slow Buffered Write Mode

4-18

Slow Buffered Write to Data Memory by Remote Processor

4-19

Flow Chart of Fast Buffered Write Mode4-20

Fast Buffered Write to Data Memory by Remote Processor

4-21

Flow Chart of Latched Write Mode

4-22

Latched Write to Data Memory by Remote Processor

4-23

Mistaking Two Remote Accesses as Only One

4-24

Remote Rest Time for All Modes Except Latched Write

4-25

Rest Time for Latched Write Mode

4-26

DP8344B Top View5-1

Switching Characteristic Measurement Waveforms

5-2

Data Memory Read Timing

5-3

Data Memory Write Timing

5-4

Instruction Memory Timing

5-5

Clock Timing

5-6

DP8344 Datasheet(PDF) 5 Page - National Semiconductor (TI)

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