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Part : PROFI-8255 Supplier : ICP DAS Manufacturer : Allied Electronics & Automation Stock : - Best Price : $737.1400 Price Each : $775.94
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I8255A Datasheet

Part Manufacturer Description PDF Type
I8255A Intel Component Data Catalog 1981 Scan
I8255A N/A Microprocessor and Peripheral Components Scan

I8255A

Catalog Datasheet MFG & Type PDF Document Tags

I8255A

Abstract: block diagram of intel 8255 chip Intel I8255A PROGRAMMABLE PERIPHERAL INTERFACE INDUSTRIAL a Industrial Temperature Range , Package â  Reduces System Package Count â  Improved DC Driving Capability The Intel® I8255A is a , (VOLTS Figure 1. Block Diagram Figure 2. Pin Configuration 9-76 I8255A ABSOLUTE MAXIMUM RATINGS , ±10 MA VOUT = vcc to OV NOTE: 1. The I8255A will operate as an 8255A-5 from 0°C to 70°C. CAPACITANCE , Between READs and/or WRITEs 850 ns 9-77 AFN-00863A I8255A A.C. CHARACTERISTICS (Continued) WRITE
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OCR Scan
block diagram of intel 8255 chip Peripheral interface 8255 notes 8255 application 8255 application note intel 8255 8255 intel VEXT-75011

microprocessor 8255 application s

Abstract: tsc7135 I8255A 34 33 32 31 30 29 28 27 5 36 RESET A0 A1 A2 6 8080 µP ADDRESS DECODE , C7135 OUTPUT BUSY Programming the I8255A is accomplished by writing data to the control register , / reset function, before the I8255A will respond to interrupts. * DELAY BETWEEN BUSY GOING LOW AND , a µP reset, the I8255A is initialized for unlatched (Mode 0) input operation. In order to interface to the TC7135, the I8255A must be programmed to latch data, and generate an interrupt, from Port A
TelCom Semiconductor
Original
microprocessor 8255 application s tsc7135 i8255 microprocessor 8255 application using 8255 program 8255 interface with 8085 applications converter chip for converting BCD to analog AN-17 TC7135- 16-BIT 15-BIT

tsc7135

Abstract: I8255A PB7 PC0 PC1 PC3 PC2 PC3 PC7 I8255A 34 33 32 31 30 29 28 27 5 36 D0 D1 D2 D3 , ) (LSD) Data Data FIGURE 2: TC7135 output timing relationships. Programming the I8255A is , Port A. This bit must be set, using the Port C bit set/reset function, before the I8255A will respond , or manipulate the data as desired. Initializing the I8255A I/O Port At power-up, or after a µP reset, the I8255A is initialized for unlatched (Mode 0) input operation. In order to interface to the
Microchip Technology
Original
I8259A 8255A SVC 471 10 tc9491 keeloq decode 8255 and 8085 application TC9491 11F-3 DK-2750 D-81739 D-82152 DS00785A-

SVC 471 10

Abstract: i8259A PB7 PC0 PC1 PC3 PC2 PC3 PC7 I8255A 34 33 32 31 30 29 28 27 5 36 D0 D1 D2 D3 , . Initializing the I8255A I/O Port At power-up, or after a µP reset, the I8255A is initialized for unlatched (Mode 0) input operation. In order to interface to the TC7135, the I8255A must be programmed to latch , . Programming the I8255A is accomplished by writing data to the control register. Figure 3 outlines the , /reset function, before the I8255A will respond to interrupts. Mode Select Word: Write to Control
Microchip Technology
Original
AN785 microprocessor 8255 application binary to bcd conversion 8085 SVC 471 20 i8259 microprocessor 8255 DS00785A