SCD1283 INTEL [Intel Corporation], SCD1283 Datasheet - Page 10

• Manufacturer Part Number: SCD1283
• Description: IEEE 1284-Compatible Parallel Interface
• Manufacturer: INTEL [Intel Corporation]

CD1283 — IEEE 1284-Compatible Parallel Interface
10
HOST INTERFACE
Figure 1. Functional Block Diagram
INTERRUPT
LOGIC
LOGIC
DMA
Benefits
•
•
•
•
•
•
Multi-protocol bidirectional port for a wide range of applications.
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.
— Up to 2 Mbytes/sec. transfer rate
— Provides future connectivity with new host systems
GENERAL-PURPOSE
DATA PIPELINE
COMPRESSION/
DECOMPRES-
I/O PORT
MOVER
LOGIC
DATA
SION
64 BYTES
FIFO
CONTROL
MACHINE
STATE
IEEE 1284 PERIPHERAL
PARALLEL PORT
ELECTRICAL
INTERFACE
Datasheet
LEVEL-2