/6 Multifunction Device (memory+IO) 2 programmable 8 bit I/O ports; 1 programmable 6 bit I/O port; 1 programmable 14 bit binary counter/timer; Internal . Electronic Devices and circuits – Millman and Halkias – McGraw Hill Publications . 2. Solid State Electronic – Multipurpose Programmable Device. Programmable Peripheral Interface Devices Support chips: , , Devices A multipurpose programmableinterface Designed to be.

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If you wish to download it, please recommend it to your friends in any social system. Share buttons are a little bit lower. Published by Jaidyn Tea Modified over 3 years ago. It is a programmable device. T T L compatible. Improved dc driving capability. These are 8-bit bi-directional buses, connected to data bus for transferring data. This is Active Low signal. When it is low, then data is transfer deviec This is Active Low signal, when it is Low read operation will be start.


This is Active Low signal, when it is Low Write operation will be start. This is used to select the ports.

This is used to reset the device. That means clear control registers. These lines are divided into two groups.

raisio :: multipurpose programmable device pdf

It is a 8-bit bidirectional Data bus. Used to interface between data bus with system bus. The internal data bus and Outer pins D0-D7 pins are connected in internally. Address signals are A0,A1,and CS.

Programmable Interface

It can be programmed by mode 0mode 1, mode 2. It can be programmed by mode 0 and mode 1.

This is a 8-bit Unlatched buffer Input and an Output latch. It is splitted into two parts. In this modetwo 8 bit ports port A and port Programmbale and two 4 bit ports port C upper and port C lower are available.

Any port can be used as an input or output port. Outputs are latchedInputs are buffered not latched. Ports do not have Handshake or interrupt capability. The 8 bit data port can be either used as input or output port. Both the inputs and outputs are latched. This mode allows bidirectional data transfer over a single 8-bit data bus port A using handshake signals.


Port A is working as 8-bit bidirectional. A BSR word is muotipurpose for each bit Example: IO Interfaces and Bus Standards. On one side we have data bus. My presentations Profile Feedback Log out. Auth with social network: Registration Forgot your password?

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