/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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8155/6 Multifunction Device (memory+IO)
This is used to reset the device. Published by Jaidyn Tea Modified over 3 years ago.
Address signals are A0,A1,and CS. We think you have liked this presentation. This is Active Low signal, when it is Low Write operation will be start. On one side we have data bus. Port A is working as 8-bit bidirectional. Both the inputs and outputs are latched.
That means clear control registers. Ports do not have Handshake or interrupt capability. My presentations Profile Feedback Log out.
This is used to select the ports. It is splitted into two parts. Improved dc driving capability.
8155 Programmable Interface
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A BSR word is written for each bit Example: The 8 bit data port can be either used as input or output port. This is a 8-bit Unlatched buffer Input and an Output latch. T T L compatible. To make this website work, we log user data and share it with processors. The internal data bus and Outer pins D0-D7 pins are connected in internally. It can be programmed by mode 0mode 1, mode 2.
When it is low, then data is transfer from This is Active Low signal. It is a 8-bit bidirectional Data bus.
PROGRAMMABLE PERIPHERAL INTERFACE ppt download
Auth with social network: Registration Forgot your password? About project SlidePlayer Terms of Service. Any port can be used as an input or output port. Share buttons are a little bit lower.