Parallel Peripheral Interface: Difference between revisions

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=={{Short description|PPI : Parallel Peripheral Interface ==(2001, USA)}}

{{Multiple issues|

{{More citations needed|date=February 2022}}

{{Notability|date=March 2015}}

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The '''Parallel Peripheral Interface''' ('''PPI''') is a peripheral found on the [[Blackfin]] embedded processor. The PPI is a [[half-duplex]], [[Two-way communication|bi-directional]] port that is designed to connect directly to [[LCD]]s, [[CMOS sensor]]s, [[Charge-coupled device|CCD]]s, video encoders (video [[Digital-to-analog converter|DAC]]s), video decoders (video [[Analog-to-digital converter|ADC]]s) or any generic high speed, parallel device.<ref>{{Cite web|title=PPI: Parallel Peripheral Interface [Analog Devices Wiki]|url=https://wiki.analog.com/resources/eval/sdp/sdp-b/peripherals/ppi|access-date=2021-10-01|website=wiki.analog.com}}</ref>

The PPI is a peripheral found on the Blackfin embedded processor.

The width of the PPI is programmable and can be set between 8 and 16- bits in 1 -bit increments. The latest Blackfin family (BF54x) also features aan 18/24-bit PPI for direct connection to [[RGB]] LCD panels.

The PPI is a half-duplex, bi-directional port that is designed to connect directly to LCDs, CMOS sensors, CCDs, video encoders (video DACs), vide decoders (video ADCs) or any generic high speed, parallel device.

The PPI can run from 0MHz0 [[MHz]] up to 66MHz66&nbsp;MHz.

The width of the PPI is programmable and can be set between 8 and 16-bits in 1 bit increments. The latest Blackfin family (BF54x) also features a 18/24-bit PPI for direct connection to RGB LCD panels.

The PPI has a dedicated clock pin, three multiplexed frame sync pins, and between 16 and 24 data pins.<ref>{{Cite web|last=Y|first=Roshni|date=2019-07-04|title=What is 8255 Programmable Peripheral Interface (PPI)? Definition, Architecture, Pin Diagram and Modes of Operation of 8255|url=https://electronicsdesk.com/8255-ppi.html|access-date=2021-10-01|website=Electronics Desk|language=en-US}}</ref>

The PPI can run from 0MHz up to 66MHz.

==References==

The PPI has a dedicated clock pin, three multiplexed frame sync pins, and between 16 and 24 data pins.

{{reflist}}

http://blackfin.uclinux.org/doku.php?id=ppi

[[Category:Computer peripherals]]

{{compu-hardware-stub}}