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Manual Intel 80C51FA

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  • Intel 80C51FA - page 1

    * Other brands and names are the property of their respective owners. Information in this document is provided in connection with Intel products. Intel assumes no liability whatsoever, including infringement of any patent or copyright, for sale and use of Intel products except as provided in Intel's Terms and Conditions of Sale for such produc ...

  • Intel 80C51FA - page 2

    AUTOMOTIVE 80C51FA/83C51FA 270501 ± 1 Figure 1. 83C51FA Block Diagram 2 ...

  • Intel 80C51FA - page 3

    AUTOMOTIVE 80C51FA/83C51FA 80C51FA/83C51FA PRODUCT OPTIONS Intel’s extended and automotive temperature range product s are designed to meet the needs of those application s whose operating requirements exceed commercia l standards. Wit h the commercial standard temperature range, operationa l characteristics are guaranteed over the temperatur e r ...

  • Intel 80C51FA - page 4

    AUTOMOTIVE 80C51FA/83C51FA PIN DESCRIPTIONS V CC : Supply voltage. V SS : Circuit ground. Port 0 : Port 0 is an 8-bit, open drain, bidirectional I/O port. As an output port each pin can sink several LS TTL inputs. Port 0 pins that have 1's written to them float, and in that state can be used as high-im- pedance inputs. Port 0 is also the multi ...

  • Intel 80C51FA - page 5

    AUTOMOTIVE 80C51FA/83C51FA addresses (MOVX @ Ri), Port 2 emits the contents of the P2 Special Function Register. Port 3 : Port 3 is an 8-bit bidirectional I/O port with internal pullups. The Port 3 output buffers can drive LS TTL inputs. Port 3 pins that have 1's written to them are pulled high by the internal pullups, and in that state can be ...

  • Intel 80C51FA - page 6

    AUTOMOTIVE 80C51FA/83C51FA 270501 ± 6 Figure 5. External Clock Drive Configuration IDLE MODE The user's software can invoke the Idle Mode. When the microcontroller is in this mode, power consump- tion is reduced. The Special Function Registers and the onboard RAM retain their values during Idle, but the processor stops executing instructions. ...

  • Intel 80C51FA - page 7

    AUTOMOTIVE 80C51FA/83C51FA ABSOLUTE MAXIMUM RATINGS * Ambient Temperature Under Bias ...................................-40°C to +125°C Storage Temperature .......................-65°C to +150°C Voltage on Any Other Pin to V SS ........-0.5V to +6.5V I OL I/O Pin ........................................................15mA Power Dissipation (Ba ...

  • Intel 80C51FA - page 8

    AUTOMOTIVE 80C51FA/83C51FA DC CHARACTERISTICS : (T A eb 40 § Ct o a 125 § C; V CC e 5V g 10%; V SS e 0V) (Continued) Symbol Parameter Min Typ Max Unit Test Conditions I TL Logical 1 to 0 Transition Current b 265 b 650 m AV IN e 2V (Ports 1, 2, and 3) RRST RST Pulldown Resistor 40 100 225 K X CIO Pin Capacitance 10 pF @ 1MHz, 25 § C I CC Power Su ...

  • Intel 80C51FA - page 9

    AUTOMOTIVE 80C51FA/83C51FA 270501 ± 7 I CC Max at other frequencies is given by: Active Mode I CC Max e (3 c Osc Freq) a 4 Idle Mode I CC Max e (0.49 c Osc Freq) a 1.6 Where Osc Freq is in MHz, I CC is in mA. Figure 6. I CC vs Frequency 270501 ± 8 TCLCH e TCHCL e 5n s Figure 7. I CC Test Condition, Active Mode All other pins disconnected. 270501 ...

  • Intel 80C51FA - page 10

    AUTOMOTIVE 80C51FA/83C51FA EXPLANATION OF THE AC SYMBOLS Each timing symbol has 5 characters. The first char- acter is always a `T' (stands for time). The other characters, depending on their positions, stand for the name of a signal or the logical status of that signal. The following is a list of all the characters and what they stand for. A: ...

  • Intel 80C51FA - page 11

    AUTOMOTIVE 80C51FA/83C51FA EXTERNAL PROGRAM MEMORY READ CYCLE 270501 ± 12 EXTERNAL DATA MEMORY READ CYCLE 270501 ± 13 EXTERNAL DATA MEMORY WRITE CYCLE 270501 ± 14 11 ...

  • Intel 80C51FA - page 12

    AUTOMOTIVE 80C51FA/83C51FA SERIAL PORT TIMING-SHIFT REGISTER MODE Test Conditions : T A eb 40 § Ct o a 125 § C; V CC e 5V g 10%; V SS e 0V; Load Capacitance e 80 pF Symbol Parameter 12 MHz Oscillator Variable Oscillator Units Min Max Min Max T XLXL Serial Port Clock Cycle Time 1 12T CLCL m s T QVXH Output Data Setup to Clock 700 10T CLCL b 133 ns ...

  • Intel 80C51FA - page 13

    AUTOMOTIVE 80C51FA/83C51FA AC TESTING INPUT, OUTPUT WAVEFORMS 270501 ± 17 AC Inputs during testing are driven at V CC b 0.5V for a Logic ``1'' and 0.45V for a Logic ``0''. Timing measurements are made at V IH min for a Logic ``1'' and V OL max for a Logic ``0''. FLOAT WAVEFORMS 270501 ± 18 For timing purpos ...

Manufacturer Intel Category Computer Hardware

Documents that we receive from a manufacturer of a Intel 80C51FA can be divided into several groups. They are, among others:
- Intel technical drawings
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- Intel product data sheets
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All of them are important, but the most important information from the point of view of use of the device are in the user manual Intel 80C51FA.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Intel 80C51FA, service manual, brief instructions and user manuals Intel 80C51FA. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Intel 80C51FA.

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A complete manual for the device Intel 80C51FA, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Intel 80C51FA by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Intel 80C51FA.

A complete Intel manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Intel 80C51FA - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Intel 80C51FA, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Intel 80C51FA, that we can find in the current document
3. Tips how to use the basic functions of the device Intel 80C51FA - which should help us in our first steps of using Intel 80C51FA
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Intel 80C51FA
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Intel 80C51FA in a specific country, if it was not possible to solve the problem on our own.

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