Texas Instruments MICROPROCESSOR TI SITARA Manual do Utilizador descarregar pdf (Página 23)

Universal Parallel Port (uPP AM18x only)

Config

uPP Peripheral

 High Speed parallel data port



Two

Bidirectional

and

What Is uPP?

Config

Registers

I/O

Channel

A

I/O

Internal

External Pins

CPU

Memory



Two

Bidirectional

and

Independent 16bit channels

 Internal dedicated DMA to

streamline data I/O

I/O

Channel

B

Internal

DMA

External Pins

CPU

Interrupt

streamline data I/O

 Simple I/O Protocol

Value of uPP

Configuration Throughput (MB/s)

1 Ch, 16-bit 120

2 Ch, 1 Way, 8

-

bit

120

 Efficient Processor to FPGA

communication enabled by high

speed data I/O

2 Ch, 1 Way, 8

-

bit

120

2 Ch, 1 Way, 16-bit 160

2 Ch, 2 Way, 16-bit 240

HPI (16

-

bit)

50

 Enable multi-processor system

design in various topologies

 Interface with high speed ADCs

and DACs

HPI (16

-

bit)

50

and DACs

23

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 42 43

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