TP87C51FA Intel Corporation, TP87C51FA Datasheet
TP87C51FA
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TP87C51FA Summary of contents
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... Intel products except as provided in Intel’s Terms and Conditions of Sale for such products Intel retains the right to make changes to these specifications at any time without notice Microcomputer Products may have minor variations to this specification known as errata COPYRIGHT INTEL CORPORATION 1995 Automotive Quick Pulse Programming Algorithm ...
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AUTOMOTIVE 87C51FA FB FC FC-20 Figure 1 87C51FB FC Block Diagram 87C51FA FB FC PRODUCT OPTIONS Intel’s extended and automotive temperature range products are designed to meet the needs of those applications whose operating requirements exceed commercial standards 2 With ...
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ambient For the automo tive temperature range option operational charac- teristics are guaranteed over the temperature range 125 C ambient The automotive ex tended and ...
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AUTOMOTIVE 87C51FA FB FC FC-20 Port 0 is also the multiplexed low-order address and data bus during accesses to external Program and Data Memory In this application it uses strong inter- nal pullups when emitting 1’s and can source and ...
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Port 2 emits the high-order address byte during fetches from external Program Memory and during accesses to external Data Memory that use 16-bit addresses (MOVX DPTR) In this application it uses strong internal pullups when emitting 1’s Dur- ing accesses ...
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AUTOMOTIVE 87C51FA FB FC FC-20 To drive the device from an external clock source XTAL1 should be driven while XTAL2 floats as shown in Figure 5 There are no requirements on the duty cycle of the external clock signal since ...
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DESIGN CONSIDERATION When the Idle mode is terminated by a hardware reset the device normally resumes program execu- tion from where it left off up to two machine cycles before the internal reset algorithm takes control On- chip hardware inhibits ...
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AUTOMOTIVE 87C51FA FB FC FC-20 ABSOLUTE MAXIMUM RATINGS Ambient Temperature Under Bias Storage Temperature Voltage Pin Voltage on Any Other Pin ...
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NOTES 1 Capacitive loading on Ports 0 and 2 may cause noise pulses above superimposed on the V Ports 1 2 and 3 The noise is due to external bus capacitance discharging into the Port 0 ...
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AUTOMOTIVE 87C51FA FB FC FC-20 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 ...
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AC CHARACTERISTICS (T A tance for Port 0 ALE PROG and PSEN (Continued) ADVANCED INFORMATION CONTACT INTEL FOR DESIGN-IN INFORMATION EXTERNAL PROGRAM MEMORY CHARACTERISTICS Symbol Parameter T RD Low to Valid Data In RLDV T Data Hold After RD High ...
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AUTOMOTIVE 87C51FA FB FC FC-20 EXTERNAL PROGRAM MEMORY READ CYCLE EXTERNAL DATA MEMORY READ CYCLE EXTERNAL DATA MEMORY WRITE CYCLE 12 270961 –12 270961 –13 270961 –14 ...
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SERIAL PORT TIMING SHIFT REGISTER MODE Test Conditions Symbol Parameter T Serial Port Clock Cycle Time XLXL T Output Data Setup to Clock QVXH Rising Edge T Output Data Hold after XHQX Clock ...
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AUTOMOTIVE 87C51FA FB FC FC-20 AC TESTING INPUT OUTPUT WAVEFORMS AC Inputs during testing are driven for a Logic ‘‘1’’ and 0 45V for a Logic ‘‘0’’ Timing measurements are made at V min ...
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See Table 2 for proper input on these pins Figure 11 Programming the EPROM PROGRAMMING ALGORITHM Refer to Table 3 and Figures 11 and 12 for address data and control signals set up To program the 87C51FA FB FC the ...
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AUTOMOTIVE 87C51FA FB FC FC-20 EPROM Program Lock The 87C51FA FB FC program lock system when programmed protects the onboard program against software piracy The 87C51FA FB FC has a 3-level program lock system and a 64-byte encryption array Since ...
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EPROM PROGRAMMING AND VERIFICATION CHARACTERISTICS ( 20 ADVANCED INFORMATION CONTACT INTEL FOR DESIGN-IN INFORMATION Symbol Parameter V Programming Supply Voltage PP I Programming Supply Current PP 1 ...
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AUTOMOTIVE 87C51FA FB FC FC-20 DATA SHEET REVISION HISTORY The following are key differences between this data sheet and the -002 revision of the data sheet 1 The data sheet has been revised from the 87C51FB 87C51FC to the 87C51FA ...