 |
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
| Datasheet File OCR Text: |
| 8031AH 8051AH 8032AH 8052AH MCS 51 NMOS SINGLE-CHIP 8-BIT MICROCONTROLLERS Automotive Y Y Y Y Y Y High Performance HMOS Process Internal Timers Event Counters 2-Level Interrupt Priority Structure 32 I O Lines (Four 8-Bit Ports) 64K Program Memory Space Security Feature Protects EPROM Parts Against Software Piracy Boolean Processor Y Y Bit-Addressable RAM Programmable Full Duplex Serial Channel 111 Instructions (64 Single-Cycle) 64K Data Memory Space Available in PLCC and DIP Packages Y Y Y Y The MCS 51 microcontroller products are optimized for control applications Byte-processing and numerical operations on small data structures are facilitated by a variety of fast addressing modes for accessing the internal RAM The instruction set provides a convenient menu of 8-bit arithmetic instructions including multiply and divide instructions Extensive on-chip support is provided for one-bit variables as a separate data type allowing direct bit manipulation and testing in control and logic systems that require Boolean processing Device 8052AH 8051AH 8032AH 8031AH Internal Memory Program 8K x 8 ROM 4K x 8 ROM none none Data 256 x 8 RAM 128 x 8 RAM 256 x 8 RAM 128 x 8 RAM Timers Event Counters 3 x 16-Bit 2 x 16-Bit 3 x 16-Bit 2 x 16-Bit Interrupts 6 5 6 5 NOTICE This datasheet contains information on products in full production Specifications within this datasheet are subject to change without notice Verify with your local Intel sales office that you have the latest datasheet before finalizing a design 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 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 February 1995 Order Number 270499-006 AUTOMOTIVE MICROCONTROLLER MCS 51 the extended temperature range option operational characteristics are guaranteed over the temperature range of b 40 C to a 85 C ambient For the automotive temperature range option operational characteristics are guaranteed over the temperature range of b 40 C to a 110 C ambient The automotive extended and commercial temperature versions of the MCS 51 microcontroller product families are available with or without burn-in options 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 With the commercial standard temperature range operational characteristics are guaranteed over the temperature range of 0 C to a 70 C ambient With 270499 - 1 Example P 80A51AH indicates an automotive temperature range version of the 8051AH in a PDIP package with 4 Kbyte ROM program memory Figure 1 MCS 51 Microcontroller Product Family Nomenclature Table 1 Temperature Options Temperature Classification Extended Automotive Temperature Designation T L A Operating Temperature C Ambient b 40 to a 85 b 40 to a 85 b 40 to a 110 Burn-In Option Standard Extended Standard 2 AUTOMOTIVE MICROCONTROLLER MCS 51 270499 - 2 Resident in 8052 8032 only Figure 2 MCS 51 Microcontroller Block Diagram PIN DESCRIPTIONS VCC Supply voltage Port 0 pins that have 1s written to them float and in that state can be used as high-impedance inputs 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 internal pullups when emitting 1s and can source and sink 8 LS TTL inputs Port 0 also outputs the code bytes during program verification of the ROM External pullups are required VSS Circuit ground Port 0 Port 0 is an 8-bit open drain bidirectional I O port As an output port each pin can sink 8 LS TTL inputs 3 AUTOMOTIVE MICROCONTROLLER MCS 51 Diagrams are for pin reference only Package sizes are not to scale 270499 - 3 EPROM only Pin (DIP) Figure 3 MCS 51 Microcontroller Connections Port 1 Port 1 is an 8-bit bidirectional I O port with internal pullups The Port 1 output buffers can sink source 4 LS TTL inputs Port 1 pins that have 1s written to them are pulled high by the internal pullups and in that state can be used as inputs As inputs Port 1 pins that are externally pulled low will source current (IIL on the datasheet) because of the internal pullups Port 1 also receives the low-order address bytes during program verification of the ROM In the 8032AH and 8052AH Port 1 pins P1 0 and P1 1 also serve the T2 and T2EX functions respectively uses strong internal pullups when emitting 1s During accesses to external Data Memory that use 8-bit addresses (MOVX Ri) Port 2 emits the contents of the P2 Special Function Register Port 2 also receives the high-order address bits during program verification of the ROM Port 3 Port 3 is an 8-bit bidirectional I O port with internal pullups The Port 3 output buffers can sink source 4 LS TTL inputs Port 3 pins that have 1s written to them are pulled high by the internal pullups and in that state can be used as inputs As inputs Port 3 pins that are externally pulled low will source current (IIL on the datasheet) because of the pullups Port 3 also serves the functions of various special features of the MCS 51 microcontroller family as listed below Port Pin P3 0 P3 1 P3 2 P3 3 P3 4 P3 5 P3 6 P3 7 Alternative Function RXD (serial input port) TXD (serial output port) INT0 (external interrupt 0) INT1 (external interrupt 1) T0 (Timer 0 external input) T1 (Timer 1 external input) WR (external data memory write strobe) RD (external data memory read strobe) Port 2 Port 2 is an 8-bit bidirectional I O port with internal pullups The Port 2 output buffers can sink source 4 LS TTL inputs Port 2 pins that have 1s written to them are pulled high by the internal pullups and in that state can be used as inputs As inputs Port 2 pins that are externally pulled low will source current (IIL on the datasheet) because of the internal pullups 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 4 AUTOMOTIVE MICROCONTROLLER MCS 51 RESET Reset input A high on this pin for two machine cycles while the oscillator is running resets the device XTAL1 Input to the inverting oscillator amplifier ALE PROG Address Latch Enable output pulse for latching the low byte of the address during accesses to external memory In normal operation ALE is emitted at a constant rate of the oscillator frequency and may be used for external timing or clocking purposes Note however that one ALE pulse is skipped during each access to external Data Memory XTAL2 Output from the inverting oscillator amplifier OSCILLATOR CHARACTERISTICS XTAL1 and XTAL2 are the input and output respectively of an inverting amplifier which can be configured for use as an on-chip oscillator as shown in Figure 4 Either a quartz crystal or ceramic resonator may be used More detailed information concerning the use of the on-chip oscillator is available in Application Note AP-155 ``Oscillators for Microcontrollers '' To drive the device from an external clock source XTAL1 should be grounded while XTAL2 is driven as shown in Figure 5 There are no requirements on the duty cycle of the external clock signal since the input to the internal clocking circuitry is through a divide-by-two flip-flop but minimum and maximum high and low times specified on the datasheet must be observed PSEN Program Store Enable is the read strobe to external Program Memory When the device is executing code from external Program Memory PSEN is activated twice each machine cycle except that two PSEN activations are skipped during each access to external Data Memory EA VPP External Access enable EA must be strapped to VSS in order to enable any MCS 51 microcontroller device to fetch code from external Program memory locations 0 to 0FFFH (0 to 1FFFH in the 8032AH and 8052AH) 270499 - 6 Figure 5 External Drive Configuration 270499 - 5 C1 C2 e 30 pF g10 pF for Crystals For Ceramic Resonators contact resonator manufacturer Figure 4 Oscillator Connections 5 AUTOMOTIVE MICROCONTROLLER MCS 51 ABSOLUTE MAXIMUM RATINGS Ambient Temperature Under Bias Storage Temperature Voltage on EA VPP Pin to VSS Voltage on Any Other Pin to VSS b 40 C to a 110 C b 65 C to a 150 C b 0 5V to a 21 5V b 0 5V to a 7V NOTICE This is a production data sheet The specifications are subject to change without notice WARNING Stressing the device beyond the ``Absolute Maximum Ratings'' may cause permanent damage These are stress ratings only Operation beyond the ``Operating Conditions'' is not recommended and extended exposure beyond the ``Operating Conditions'' may affect device reliability Power Dissipation 1 5W Based on package heat transfer limitations not device power consumption Maximum Case Temperature a 125 C Under Bias Typical Thermal Resistance Junction to Ambient (iJA) Package Plastic DIP iJA 75 C W DC CHARACTERISTICS Symbol VIL VIH VIH1 VOL VOL1 VOH VOH1 IIL Input Low Voltage TA e b 40 C to a 110 C VCC e 5V g10% VSS e 0V Min b0 5 Parameter Max 07 VCC a 0 5 VCC a 0 5 0 45 0 45 Units V V V V V V V Test Conditions Input High Voltage (Except XTAL2 RST) Input High Voltage to XTAL2 RST Output Low Voltage (Ports 1 2 3) Output Low Voltage (Port 0 ALE PSEN) Output High Voltage (Ports 1 2 3 ALE PSEN) Output High Voltage (Port 0 in External Bus Mode) Logical 0 Input Current (Ports 1 2 3 RST) 8032AH 8052AH All Others Logical 0 Input Current (XTAL2) Input Leakage Current (Port 0) Input Current to RST to Activate Reset Power Supply Current 8031 8051 8031AH 8051AH 8032AH 8052AH Pin Capacitance 21 26 XTAL1 e VSS IOL e 1 6 mA IOL e 3 2 mA IOH e b 80 mA IOH e b 400 mA 24 24 b 800 b 500 b4 0 g10 mA mA mA mA mA mA mA mA pF VIN e 0 45V VIN e 0 45V VIN e 0 45V 0 45 s VIN s VCC VIN k (VCC b 1 5V) IIL2 ILI IIH1 ICC 500 175 135 175 10 All Outputs Disconnected Test freq e 1 MHz CIO NOTE Capacitive loading on Ports 0 and 2 may cause noise pulses to be superimposed on the VOLs of ALE and Ports 1 and 3 The noise is due to external bus capacitance discharging into the Port 0 and Port 2 pins when these pins make 1-to-0 transitions during bus operations In the worst cases (capacitive loading l 100 pF) the noise pulse on the ALE line may exceed 0 8V In such cases it may be desirable to qualify ALE with a Schmitt Trigger or use an address latch with a Schmitt Trigger STROBE input 6 AUTOMOTIVE MICROCONTROLLER MCS 51 AC CHARACTERISTICS TA e b 40 C to a 110 C VCC e 5V g10% VSS e 0V Load Capacitance for Port 0 ALE and PSEN e 100 pF Load Capacitance for All Other Outputs e 80 pF 12 MHz Oscillator Min Max Variable Oscillator Min 35 127 43 48 233 58 215 125 0 63 75 302 20 400 400 252 0 97 517 585 200 203 23 433 33 20 43 123 TCLCL b 40 300 3TCLCL b 50 4TCLCL b 130 TCLCL b 60 7TCLCL b 150 TCLCL b 50 20 TCLCL a 40 0 2TCLCL b 70 8TCLCL b 150 9TCLCL b 165 3TCLCL a 50 6TCLCL b 100 6TCLCL b 100 5TCLCL b 165 TCLCL b 8 5TCLCL b 115 20 0 TCLCL b 20 TCLCL b 25 3TCLCL b 35 3TCLCL b 125 2TCLCL b 40 TCLCL b 40 TCLCL b 35 4TCLCL b 100 Max 12 0 MHz ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns Units Symbol 1 TCLCL TLHLL TAVLL TLLAX TLLIV TLLPL TPLPH TPLIV TPXIX TPXIZ TPXAV TAVIV TPLAZ TRLRH TWLWH TRLDV TRHDX TRHDZ TLLDV TAVDV TLLWL TAVWL TQVWX TQVWH TWHQX TRLAZ TWHLH Parameter Oscillator Frequency ALE Pulse Width Address Valid to ALE Low Address Hold after ALE Low ALE Low to Valid Instr In ALE Low to PSEN Low PSEN Pulse Width PSEN Low to Valid Instr In Input Instr Hold after PSEN Input Instr Float after PSEN PSEN to Address Valid Address to Valid Instr In PSEN Low to Address Float RD Pulse Width WR Pulse Width RD Low to Valid Data In Data Hold after RD High Data Float after RD High ALE Low to Valid Data In Address to Valid Data In ALE Low to RD or WR Low Address to RD or WR Low Data Valid to WR Transition Data Valid to WR High Data Hold after WR High RD Low to Address Float RD or WR High to ALE High 7 AUTOMOTIVE MICROCONTROLLER MCS 51 EXTERNAL PROGRAM MEMORY READ CYCLE 270499 - 7 EXTERNAL DATA MEMORY READ CYCLE 270499 - 8 8 AUTOMOTIVE MICROCONTROLLER MCS 51 EXTERNAL DATA MEMORY WRITE CYCLE 270499 - 9 SERIAL PORT TIMING Symbol TXLXL TQVXH TXHQX TXHDX TXHDV SHIFT REGISTER MODE 12 MHz Oscillator Min Max Variable Oscillator Min 12TCLCL 10TCLCL b 133 2TCLCL b 117 0 700 10TCLCL b 133 Max ms ns ns ns ns Units Test Conditions TA e b 40 C to a 110 C VCC e 5V g10% VSS e 0V Load Capacitance e 80 pF Parameter Serial Port Clock Cycle Time Output Data Setup to Clock Rising Edge Output Data Hold after Clock Rising Edge Input Data Hold after Clock Rising Edge Clock Rising Edge to Input Data Valid 10 700 50 0 9 AUTOMOTIVE MICROCONTROLLER MCS 51 SHIFT REGISTER TIMING WAVEFORMS 270499 - 10 EXTERNAL CLOCK DRIVE Symbol 1 TCLCL TCHCX TCLCX TCLCH TCHCL Parameter Oscillator Frequency High Time Low Time Rise Time Fall Time Min 35 20 20 20 20 Max 12 Units MHz ns ns ns ns EXTERNAL CLOCK DRIVE WAVEFORMS 270499 - 11 AC TESTING INPUT OUTPUT WAVEFORMS 270499 - 12 AC Testing Inputs are driven at 2 4V for a Logic ``1'' and 0 45V for a Logic ``0'' Timing measurements are made at 2 0V for a Logic ``1'' and 0 8V for a Logic ``0'' 10 AUTOMOTIVE MICROCONTROLLER MCS 51 DATASHEET REVISION HISTORY The following are key differences between this datasheet and the -005 version 1 The ``preliminary'' status was dropped and replaced with production status (no label) 2 Trademarks were updated The following are key differences between the -005 and the -004 version of the datasheet 1 Preliminary notice was placed on the title page 2 Figure 2 MCS 51 Block Diagram was modified to include the note found at the bottom of the figure 3 RST pin in Figure 3 was changed to RESET 4 RST pin description was changed to RESET pin description 5 Power dissipation note added below Power dissipation listing in Absolute Maximum Ratings 6 VIH and VIH1 were changed by 0 1V to reflect test conditions 7 TPLPH was corrected to show test program timing The following are key differences between the -004 datasheet and the -003 version of the datasheet 1 The title was changed to 8031AH 8051AH 8032AH 8052AH MCS 51 NMOS Single-Chip 8-Bit Microcontrollers 2 ``NC'' pin labels changed to ``Reserved'' in Figure 3 3 Capacitor value for ceramic resonators deleted in Figure 4 The following are key differences between the -001 and the -002 version of the datasheet 1 The title was changed to 8031 8051 8031AH 8051AH 8032AH 8052AH 8751H MCS 51 NMOS SingleChip 8-Bit Microcontrollers 2 Removed 8751H-8 from the datasheet 3 Removed reference to LCC package version 4 Removed burn-in options from Table 1 5 Added pin count to Figure 1 6 Test conditions for IIL1 and IIH specifications added to the DC Characteristics 7 Datasheet revision history added 11 |
Price & Availability of P80T31-AH
 |
|
|
|
|
All Rights Reserved © IC-ON-LINE 2003 - 2022 |
| [Add Bookmark] [Contact Us] [Link exchange] [Privacy policy] |
|
Mirror Sites : [www.datasheet.hk]
[www.maxim4u.com] [www.ic-on-line.cn]
[www.ic-on-line.com] [www.ic-on-line.net]
[www.alldatasheet.com.cn]
[www.gdcy.com]
[www.gdcy.net] |