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CD1283

IEEE 1284-Compatible Parallel Interface

Intel 

CD1283 — IEEE 1284-Compatible Parallel Interface

Benefits

• Multi-protocol bidirectional port for a wide range of applications.

— Up to 2 Mbytes/sec. transfer rate

— Provides future connectivity with new host systems

• Reduces software complexity and guarantees specification compliance.

• High throughput with reduced load on host CPU.

• Direct connection to printer cable; reduces chip count.

• Reduces host interface overhead. High-speed data movement between memory and parallel

port.

• Reduces software complexity and increases throughput of compressed-data tranfers.

Figure 1. Functional Block Diagram

GENERAL-PURPOSE

I/O PORT

DMA

LOGIC

INTERRUPT

LOGIC

HOST INTERFACE

COMPRESSION/

DECOMPRES-

SION

DATA

MOVER

LOGIC

DATA PIPELINE

64 BYTES

FIFO

CONTROL LEVEL-2

STATE ELECTRICAL

MACHINE INTERFACE

IEEE 1284 PERIPHERAL

PARALLEL PORT

10

Datasheet

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