Tf ~r, Ii6 | Intel mcs-48 specification

APPLICATION EXAMPLES

	12	DBO
	13
		OBI
	14
		OB2
	15
		DB3
	10
		WR

		1	2	3	4	23
		Bo Bl B2 SGS ECS
											8049
	I~ Rii										8048
	I~ Rii										8748
	17	iii									8035
	17										8039
	1-* ii2						8			27	8039
INTERRUPT	I~ R3		8214			AO	8			27	Pl0
INTERRUPT	I~ R3					AO	9			28	Pl0
INPUTS	I~ ii4					Al	10			29	Pll
	20	fi5				AZ	10			29	P12
	!-f,-	fi5				AZ					P12
	!-f,-	ii6
	'7									~ INT
	--=0.	ii7				INT	5	S	Q	~ INT
		ElTG INTE ElR ClK						L-.(: R	Or--
								L-.(: R	Or--

,-tf ~r	9
	9
	RS FLIP FLOP
+5V	ALE
	J

•Processor polls Port 1 to determine interrupting device

•Processor sets priority level by writing 4-bits to 8214

MULTIPLE INTERRUPTS WITH PRIORITY LEVELS

5·6

Image 117

Intel mcs-48 manual Tf ~r, Ii6

Contents

Page September MCS-48 Family of Single Chip Microcomputers Usersmanual Multibus BXPCredit Prompt Table of Contents 8051/8751/8031 Microcomputer Chapters Emulation Board 10-19 UPP-103 Universal Prom Programmer Emulation BoardInsite UsersLibrary Packing InformationPage Ntroduction Page Introduction to MCS-48 Introduction 5.0 and 10.0 J,Lsec Cycle Versions8021 is code compatible but not pin compatible with Introduction TilEprom Introduction Typical Computer System Function of a ComputerArchitecture of a CPU Accumulator Program Counter Jumps, Subroutines and the Stack Instruction Register and Decoder Three levels of subroutines may be ac- commodatedAddress Registers Arithmetic/Logic Unit ALU Computer Operations Control CircuitryTiming Instruction Fetch Memory Write Input/OutputInterrupts To the next instructions When finished the processor continues on Our machine language program then becomes Step No. Hex Code Assembly Code MOV RO, #32Step Hex Code MOV R2, #05 ADD A, # ALFA*BETA/2 Cpla ADD A, REGSUB R7 Developing An MCS-48 Based Product Hardware ConfigurationEducation Function Definition Prompt Production Intellec Development SystemPage Single Component MCS-4S S~stem Page Summary ArchitectureArithmetic Section ~BUS Location Single Component System Input/Output Single Component System Single Component System Pointer R23 +--1 R Jump Conditions Interrupt Timing As an Event Counter As a TimerClock and Timing Circuits Oscillator ALE --f---+--+ Instruction 111 LOVI Power Down Mode BUS PCO·7RUN Stop Pin Description Designation 00-07Prog Number Function Programming, Verifying and Erasing Eprom Reset Single Component System Test and Debug ResetSingle Step Disabling Internal Program Memory Reading Internal Program Memory Following is a functional description of the major elements Program Memory Oscillator and Clock Timer/Event Counter QUASI-BIDIRECTIONAL Port Structure Input/Output Capabilities 1 T1 Input High Current OutputsExpanded I/O Carry Flag Timer Overflow Flag Reset10 CPU Jump Test Condition Instructions Accumulator Functional Specifications Program MemoryData Memory Oscillator and Clock 15Timer/Event CounterPort 0 Comparator Inputs See the 8021 description, .8, for a com- plete explanation High Current Outputs Expanded 1/0Test and Interrupt Inputs 1-3 VAC Analog to Digital Converter Ill 19 CPU Expanded Page Expansion of Program Memory Summary Interrupt Routines Expanded MCS-48 System AI? Latch ROMLatch IOW Expansion of Data Memory EXPAND!!D MCS-48 System Expansion of Input/Output Read OO-Port #4 Write Port #5 10 or Port #6 Port #7 II AA RD Display Keyboard Expansion Examples See Also Chapter Expanded MCS-48 System Multi-Chip MCS-48 Systems =====ll 8~~5 Memory Bank Switching Port Characteristics Control Signal SummaryBUS Port Operations Port 2 Operations 000 Page Page Instruction SET Instruction SET Subroutines Instruction SET Instruction SET Summary 8021 RET Instruction SET Summary Symbols and Abbreviations Used DBFPSW ADD A,@R r Add Data Memory Contents to Accumulator ADD A,R r Add Register Contents to AccumulatorAddc A,R r Add Carry and Register Contents to Accumulator ADD A,#data Add Immediate Data to Accumulator Addc A,#data Add Carry and Immediate Data to Accumulator ANL A,R r Logical and Accumulator With Register MaskANL A,@R r Logical and Accumulator With Memory Mask ANL A,#3+X/Y Andacc Contents with Value of EXP 3+X/Y ANL A,#data Logical and Accumulator With Immediate MaskAnld Pp,A Logical and Port 4-7 With Accumulator Mask With ACC Bits Andport 4 ContentsMOV RO,#50 Move 50DEC to Address INC RO Increment REG RET Return to Main Program Cpla CPL Aacc Contents are COMPLE- Mented to 10010101111 Contents of the accumulator are cleared to zero11010 Flag 1 is cleared to zero F1-0 11 00 0 Flag 0 is cleared to zero AC 7 4 3 0 o 1 0 ADD SIX to Bits 010100001 DA Aacc Adjusted to 00000001 with C SETADD SIX to Bits Overflow to C DEC Rr Decrement Register Not in 8021 Example Decrement contents of external data memory location EN Tcnti Enable Timer/Counter Interrupt Not EN I Enable External InterruptEnto ClK Enable Clock Output Not in 8021,8022 A,Pp Input Port or Data to Accumulator INC a Increment Accumulator INC Rr Increment RegisterINC @R r Increment Data Memory Location INS A,BUS Strobed Iput of BUS Data to Accumulator IputoPort 0 Data to Accumulator 8021, 8022 OnlyJBb address Jump If Accumulator Bit is Set Not in 8021 JC address Jump If Carry Is Set JMP address Direct Jump Within 2K Block JF1 address Jump If Flag 1 Is Set Not in 8021Jmpp @A Indirect Jump Within JNC address Jump If Carry Is Not Set Jnto address Jump If Test 0 Is Low Not JNI address Jump If Interrupt Input is Low Not in 8021JNT1 address Jump If Test 1 Is Low JNZ address Jump If Accumulator Is Not Zero IFTF=1 Jump to TimerroutineJump to Location 53 DEC Jump to Countroutine MaV A,R r Move Register Contents to Accumulator MaV A,PSW Move PSW Contents to Accumulator Not in 8021MaV A,@R r Move Data Memory Contents to Accumulator Mev A, #data Move Immediate Data to Accumulator Mev A,T Move Timer/Counter Contents to Accumulator MaV @Rr,A Move Accumulator Contents to Data Memory Movo A,Pp Move Port 4-7 Data to Accumulator Movo Pp,A Move Accumulator Data to PortMovp A,@A Move Current Page Data to Accumulator MOVP3 A,@A Move Page 3 Data to Accumulator Not in 8021,8022 Maxdm Movx A,@R1 Move Contents of LocationNot in 8021 Current page are Moved to ACC ORL A,Rr Logical or Accumulator With Register Mask NOP The NOP InstructionORL A,@Rr Logical or Accumulator With Memory Mask ORL A,#data Logical OFJ Accumulator With Immediate Mask 8021 Outl Pp,A Output Accumulator Data to Port 1 or Retr Return With PSW Restore Not in 8021 Example Assume carry is not set and accumulator contains Rrnc RR Anew ACC Contents areRrtc RRC a Carry is SET and ACC Contains JMP $+20 SEL MBO Select Memory BankJump to Location 48 HEX 10110101011 Stop Tcnt Stop Timer/Event-CounterJump to Routine Intif ACe BIT 3 is SET REG 7=8 Strt T Start Timer Strt CNT Start Event CounterSwap a Swap Nibbles Within Accumulator XCH A,R r Exchange Accumulator-Register Contents XCH A,@R r Exchange Accumulator and Data Memory ContentsXchd A,@R r Exchange Accumulator and Data Memory 4-Bit Data XRL A,Rr Logical XOR Accumulator With Register Mask XRL A,@R1 Xoracc Contents with Mask LocationXRL A,@Rr Logical XOR Accumulator With Memory Mask XRL A,#data Logical XOR Accumulator With Immediate Mask Appli~ation Examples Page LC Oscillator Mode Crystal Oscillator ModeIntroduction Driving from External Source Application Examples Reset ~~J Rvv-i T1 Multiple Interrupt Sources Ii6 Tf ~r Serves as address latch Tt-2 A717&A3 ROM Xtali Both 1/0 and RAM are addressed as data memory =!-39TO This configuration is explained in section ResetF1L Expander Pinnumbers are Different for ~fd...L DB6 r ~1~ Adding 8 Input Lines ·15 Application Examples Adding Output for KEYBOARD/DISPLAY Scanning RT T T T T JfL Substitute a Application Examples Emulator Circuit DESCRIPTION-6 MHZ Interface to Drum Printer Timer RAMII Keyboard Display Microwave Oven Controller Double Subtract Double ADDDouble Load Double Store Double Left Logical Shift Application Examples Double ExchangeDouble Right Logical Shift Double Right Arithmetic Shift Interrupt Handling Application Examples Binary Multiply R1,A Application Examples Byte Processing SystemCPL Subtract Second from First INC 2sCOMPLEMENT and ADD See AP-49 8 MULTIPLY-ASSEMBLED by MCS-48 Macro Assembler IIn ·1 16 x 8 DIVIDE-ASSEMBLED by MCS-48 Macro ASS.E.MBLERSEE AP-49 APP\,JCATION Examples 16 x 8 DIVIDE-ASSEMBLED by MCS-48 Macro Assembler see AP-49 Page MCS-4STMComponent Page IIH!T Hmos Single Component 8-BIT Microcomputer Address latch enable. This Used to enable data ontoSignal occurs once during Program store enable. This S04SH/S04SH-1 /S035HL-1/S035H L-1 Absolute Maximum RATINGS· Inter 8048H/8048H-1/8035HL/8035HL.1 BUS Timing AS a Function of TCY Port 2 Timing Waveforms S04SH/S04SH-1/S035HL/S035HL-1Read From External Data Memory 8035HL J3 Xtal Z 8048H/8048H·1/8035HL/8035HL·1 Rll PIN Configuration Logic Symbol Block Diagram Block Diagram PIN Configuration Logic Symbol PIN Description 8048/8035L/8748/8748-6/8748-8/8035/8035-8 AFN-Q1354A-03 Input High Voltage X1, X2, RESEi All Except XTAL1, XTAL2, ResetVOL =2.0 mA Output Low Voltage 10L = 1.8 mA ===i---h·1 Characteristics Port 2 Timing LC Oscillator Mode Crystal Oscillator ModeDriving from External Source PROGRAMMING, VERIFYING, and Erasing the 8748 Eprom TA = 2SOC ± SoC, Vee =SV ± S%, Voo = 2SV ± Waveforms for Programming Verify .I.~---PROGRAMPROMPT-48 Microcomputer Design Aid, or Intel Corporation 108048/8748/8035L 108048/8748/8035L IDS0481S7481S035L Operating CharacteristicsAbsolute Maximum RATINGS· BUSP1, P2BUS, P1, P2 260 TAD Address Setup to Data TAW Address Setup to WRTOR Data Hold PSEN, RD to Data Top Port Control Setup Before Failing Edge of Prog CharacteristicsTpL Port 2 I/O Data Setup TA= -40·Cto +85·C, Vcc=5V ±10%, Vss=OV Reset Crystal Oscillator Mode Driving from External Source+-----t XTALl Prog TA = 25C ± 5C, Vee = 5V ± 5%, Vee = 25V ± TA =25C ± 5C, Vee =5V ± 5%, Vee =25V ± PROMPT-48 Microcomputer Design Aid. or Waveforms for Programming Inter Lcoscillator Mode VooProgramming Verification Unit Test Conditions IPHVoo Program Voltage High Level 24.0 2S.0 EA Program or Verify Voltage High Level 21.5 24.5 8748 M8048/M8748/M8035L EA 5 M8048/M8748/M8035L Prog Pin # TpL Port 2 1/0 Data Setup Tcp Port Control Setup Before FallingTpo Output Data Hold Time Tpp Prog Pulae Width TLP Port 2 1/0 Data Hold 120 ALE JI ~----r---I L Characteristics BUS, P1, P2 AN D Operati NG Characteristics Inter 80411803118031 8049/8039 Symbol Parameter Min Max Unit Operating Characteristics ALE JIL --------..1.--1----L Mask Programmable ROM External ROM or Eprom MHz Operation 18049/8039 INr Til IntJ18049/8039 BUS, RD, WR, PSEN, ALE VIH1VOL2 BUS, RD, WR, PSEN, ALE VOH1 Waveforms TAFC--1 I~OATING-I t=t or Port 2 1/0 Data Setup 300 Output Data Setup Time 230TA = -400C to +850 C, Vee = Voo = +5V ±10%, Vss = OV Unit Conditions Note XT AL1 Crystal Oscillator Mode LC Oscillator Mode 8021 PIN Configuration Logic Symbol Block Diagram V1Hl Input High Voltage Xtal 1 & 2, T1 OC to 70CVIH10% Input high voltage all except Xtal 1 T1, RESEl XTAL2 ALE 8022 Prog POO-P07 Reset AvssVTH Varef ANO,AN1 ALE Xtal Fzx 8022 Port 2 Timing IpAL---ooj·1 Analog Input Timing AID Converter Characteristics Analog Input 0, Analog Input Timer Mnemonic for in-page OperationCNT Inter GND PIN Description Absolute Maximum Ratings ~~x 125 P20-P23 -- .....--X..... ...Jr 14P52 108243 GND 18243 18243 Tes 1 2 3 4 5 6 7 8 9 10 11 12 # pins= 60 mA-+- 8 mA/pin = 7.5= Output Expander Timing 16,384·8IT ROM with CE1 ResetCE2 Ready 8355/8355-2 Symbol Parameter MIN MAXIII ILO Cl ~ +- Al ~ Input Mode Output Mode8355/8355·2 Directly Compatible with SOS5A CPU PIN Configuration Block Diagram 8755A 8755AFUNCTIONAL PIN DefinitionPROG/CE1 UPP SA Programming Module Cross Reference Module Name USE withUPPI41 UPP UP2121 8755A Symbol Parameter MIN MAX VILComment Ready Hold Time Prom Read, 1/0 Read and Write Timing Clock Specification for 8755A Wait State Timing Ready =0 Specification Programming ITA =OC to 70C Vee =5V ± 5% Vss =OVVoo Programming Voltage during Write To Eprom Program Mode Timing Diagram 8085A 8085A-2 Enable8155-2 8156-2 Timer OUT 8155/8156/8155-2/8156-28155/8156 PIN Functions 8156 Internal Registers Description Reading the Status Register Programming Command Register INPUT/OUTPUT Section Control Input Mode Output ModeBFLowLow INTRLowHigh STB Pca 8155/8156/8155-2/8156-2 Timer Section Example Program 8085A Minimum System Configuration Interval Timer Interrupt LevelsWR AD ALE Symbol Parameter MIN MAX Units Test Conditions VIL MIN MAX Units Symbol Parameter Write Cycle Read Cycle WI\ J / j 8155/8156/8155-2/8156-2 Basic Output Mode Basic Input Mode PIN Names PIN Configuration Block Diagram 8185/8185-2 Truth Table for Power Down and Function EnableOperational Description Truth Table for Control and Data BUS PIN Status Comment Absolute Maximum Ratings 8185/8185-2 Page Page SINGLE-COMPONENT 8-BIT Microcomputer 8051 Family 0INTRODUCTIONMACRO-VIEW of the 8051 Architecture 8051 CPU Architecture ON-CHIP Peripheral Functions 1Interrupt System21/0 Facilities 8031/8051/8751 8031/8051/8751 3Timer/Event Counters 4Serial Communications 8031/8051/8751 ~=- J~~====~ ~DATA Circuit ground potential 8031/8051/8751 XTAL1 PsenXTAL2 Family Development System and Software Support Universal Prom Programmer Personality Card UPP-851 Symbol Parameter Min Typ Max UnitsWorkshop Insite Library 12MHz Clock Data Memory Write Cycle 8051 Instruction SET Summary Inter8031/8051/8751 All mnemonics copyrlghted@ Intel Corporation InterPage Compatible MCS-48 Components 1024 X 4 BIT Static RAM PIN Configuration 2114A Family Symbol Parameter Address -..II-------------i--lUnit Normauzed Access Time VS Supply Voltage Typical D.C. and .A.C. Characteristics 2316E 16K 2K 8 ROM 2316E Data ----=HIGHZ~--~~~~~~~~~~-OU-T~TV-ALIO~~~JlJJI PIN Connection During Read or Program PIN Configuration Operating Characteristics BB Power Supply 5V±5% 5Vt.5% -5V±5% -5V±10%Family Nco and A.C.OPERATING Conditions During Read 2708·1 limits 2708·6Limits Units Address to Output DelayInput Capacitance VIN = OV Waveforms Family PIN Names PIN Configuration Mode Selection CE = VIH. OE = VIL Programming Cout 2716 Typical 16K Eprom System 2716 Device Operation 2716 8086·2 MPU .. .Zero Wait State ApprovedTwo Line Control Industry Standard Pinout . .. Jedec 8205 Ei==~ fEH2·E3 8205 A13 --..,-H+-q EApplications Eii-+-IH-+t-t r State Decoder Circuit \.. ~ ~ Typical CharacteristicsTA = O·Cto + 75·C, Vee = 5V ± 5% MIN MAX Charactristics Switching CharacteristicsConditions of Test Test Load Test Waveforms IT os PIN Configuration Logic DiagramGD ~s ------- + H DB ---------- -- +i Il D Functional Description+-+1 IE D II. Gated Butter 3-State Basic Schematic SymbolsGated Buffer DS2 , ------,----.J 8212 VI. Output Port With Hand-Shaking Here the 8212 is used as the status latch for an 8080A Bossa AD4 AD5 AD6 AD7 AD2~DI, Stbdo LOW Order CLR Output Currents 100mA 8212Input Load Current, ACK, OS2, CR VF = A5V IOL = 15mA Ili Ffi Typ. Max CIN 051 MD Input Capacitance 9pF 12pF Switching Characteristics052. CK. ACK. DI1-Dls Input Capacitance 5pF DOs Output Capacitance 8pF TCI SGS II,D Icex 821413214 Capacitances 8214/3214 Test Conditions Test Load Circuit Inte 001 ·BITPARALLEL Bidirectional BUS Driver Control aatlng OlEN, CS Bidirectional Driver OUT O---T Waveforms Characteristics Voli VOL2 IFI IF2 IRI IR2 VIL VIH Applications of the 8216/8226 821618226 Octal Latch 8282/8283010 VCC PinD.scrlptlon PIN Definitions Operational Description Tivov VOL VOHTshov Tehoz JJ\~ J/~~ 8282/8283 Vee Intel Bo- B7 Ao-A7 Characteristics for 8286/8287 Jk~ Output Delay vs. Capacitance Output Page Page Synchronous 5·8 Bit Characters Synchronous and Asynchronous Operation Features and Enhancements Capacitance Capacitance pFIofl Input Waveforms for AC Tests Bus Parameters !Note MIN MAX Unit Programmable Interval Timer VIIi -.,--.,q General Control Word Register System Interface General Operational DescriptionProgramming Control Word Format 825318253·5 =41 I---t--n --+ Mode 2 Rate Generator 8253/8253-5 LSBMSB Mode Register for Latching Count Read Operation ChartRead Operations Reading While Counting Oe to 700 e Input Waveforms for A.C. Tests Bus Parameters NoteRe.dCycle Write Timing Clock and Gate Timing 825318253·5 Programmable Peripheral Interface PIN Configuration 8255A Block Diagram 8255A Functional Description 8255A18255A·58255A Basic Operation Face peripheral devices or structures 8255A18255A·5 PIN Configuration PIN NamesGroup a and Group B Controls Ports A, B, and C Mode Selection Single Bit Set/Reset Feature8255A Operational Description Interrupt Control Functions Operating Modes Mode 0 Configurations Mode 0 Port Definition PA7·pAo 8255AJ8255A·5 II I I I, I0 I0 I0 TPH Input Control Signal DefinitionIBF Input Buffer Full F/F Intr Interrupt Request 10 I ·IOMXlXl Output Control Signal DefinitionIntea Inte B Bidirectional Bus 1/0 Control Signal Definition Combinations of ModeOutput Operations Input Operations LtAOi 8255.Al8255A·5 \, I, erXtJ I0\ ErXtJ I 0\ Mode Definition Summary 30AFN-00744A-14Only Printer Interface Applications of the 8255A MSB PC, r Capacitance MIN. MAX Unit Read CIR TRIT LtR1Bj TwB SIB-Ii SP/EN Programmable Interrupt Controller 8259A Interrupts in Microcomputer Systems8259A Basic Functional Description Priority Resolver Interrupt Request Register IRR and IN·SERVICE Register ISRInterrupt Mask Register IMR INT Interrupt 8259A Interface to Standard System Bus 8259ACascade BUFFER/COMPARATOR Interrupt Sequence ~O ~ ~ Programming the 8259A Disable FunctionGeneral Input Operation Read Initialization Command Word 3 ICW3 Initialization Command Words 1 and 2 ICW1,ICW2 8259A 0 I 0 I 0 I 0 I 0 lID, liD, lIDo Operation Control Word 1 OCW1 Operation Command Words OCWsOperation Control Word 2 OCW2 Operation Control Words Ocwi Ocwa Operation Command Word Format OJNTlR,-r-- I-i-Ioo r,-r,-r Buffered Mode Special Mask ModeFully Nested Mode Special Fully Nested Mode Automatic END of Interrupt Aeoi Mode Word enabled onto the data bus during m5 isRotating Priority Mode B Rotation by Software Wol Level Triggered Mode Priority Cell Simplified Logic DiagramThis mode is programmed using bit 3 in ICW1 OH-++-+ 8272 8272 FeaturesRegisters CPU Interface Description 8272 Reset to the Interrupt signal Polling Feature IntJ Command SET Read Data Command Descriptions Transfer Capacity EN End of Cylinder Flag No No Data Flag Write Data Read Deleted Data Write Deleted DataRead a Track Readid Scan Commands Sense Interrupt Status RecalibrateSpecify Sense Drive Status Usa Status Registers BIT Name Symbol Description VIL CLK & WR CLK VIH DC CharacteristicsCINI» VIN=OV ICY ~-----~---V Timing Measurement Conditions Sel-I Block Oiagram LI3 Brief Description of HDLC/SDLC Protocols 8273, 8273·4, 8273·8 Flag DET 32XCLi RAM Programmable KEYBOARD/DISPLAY Interface 827918279-5 Hardware DescriptionPrinciples of Operation 827918279·5 Software Operation Status Word End Interrupt/Error Mode SetData Read Data Write Scanned Keyboard Mode, 2·Key Lockout Interface Considerations ===~ Applications General Block Diagram Symbol Test TYP MAX VIL2IIL1 BUS Parameters Input Waveforms for A.C. Tests 8279 Display Waveforms Scan Timing Scan Waveforms Gpib TALKER/LISTENER 8291 8291 System DiagramGeneral Purpose Interface BUS Gpib General Description Pacs AcdsAcrs Ppas AH,C SH,AH,T,TE,L,LE,SR,RL,PP,CRemote Messages Received ATN SH,AH,T,TE,L,LE,PP,C DAB DAC DAC Remote Messages Sent ATN DABDAV END DontCare All Write Registers Interrupt Registers SPAS---SPAS Spasc Llcno LLO Lloc Menting this feature, with 80 and Bi enabied from ITO ILO I 0 I 0 I 0 I 0 Admi Aomoi Command Pass Through Register Provided forSection on Parallel Poll Protocol Auxiliary Commands Auxiliary Mode Register 2NF Internal CounterAuxiliary Register a Auxiliary Register B Parallel Poll Protocol Reset Procedure 8291 Using DMA 8291 to 8291A Software Compatibility VOH-INT Device Electrical CharacteristicsIlol Iloh Timing Waveforms TwA~ Gpib Timingsii Figure A.1 State Diagrams next Modified State Diagrams 101 Settling Time for Multiline Messages 21st Response to ATN 200ns Interface Message Accept Time tTE,L,LE,C,CE Appendix C Figure C-l -Wire Handshake Timing at Figure C.2. Handshake Flowchart 105 IIIL---,--11 ,--I 106 Gpib Controller Ai1W Gpib Transceiver BUS1 EOIBUS9 OATA1 =OV Mode 0 PIN DescriptionGpib NDAC* I/O Nrfo TILIeee Gpib Mode 1 PIN Description Mode 2 PIN DescriptionNdac Ieee Nrfd Mode 3 PIN Description LIEN R1L TiR1 8293 Operating CharacteristicsAbsolute Maximum Ratings Capacitance TA = O·Cto 70·C Vee= 5.0V ± 10% GND = OV CharacteristicsTYP.· MAX ·118 Output Loading Test Circuits Waveforms 8293 8294 ·122 8295 123 ====J UPI·41A Features Enhancements Signal Description Mnemonic Description Bytes CyclesData Moves 8041 Al8641 Al8741 a IU1 VIU Typical 8041/8741A Current Input and Output Waveforms for A.C. TestsRead OPERATION-DATA BUS Buffer Register Write OPERATION-DATA BUS Buffer Register CHARACTERISTICS-PORT CHARACTERISTICS-DMAWAVEFORMS-DMA VOO PROGRAMMING, VERIFYING, and Erasing the 8741A Eprom Timing Specification for Programming Specification for ProgrammingVdol 8041Al8641 Al8741A Program Support Products Page Credit Microcomputer Development System 10-2 MODEL225 Functional Description Integral CRT InterMODEL225 System ComponentsPeripheral Interface Control Specifications 110V, 60 Hz 5.9 Amp 220V, 50 Hz 3.0 Amp Notavailable on bus9800556 9800292Page Intellec Prompt MCS·48 Microcomputer Design AID Single Component Compu.ter Intellec Prompt Features Intellec Prompt Prompt 48 Commands and Functions MCS-48 Processors Intellec Prompt Functional Description User Interrupt causes an Interrupt only If Prompt system Is running a user programCycle Time tCY = 2.5,..s Clock 6 MHz ± 0.1% Ordering Information MCS·48 IN·CIRCUIT Emulator ICE·49 ~ L · GO from .START Till XDATA. Rslt Written Memory Mapping ISIS·II ICE·49 EM1 Emulation Board EM1 DC Power Vcc5V ±5% Icc 300 mA max EM1 SpecificationsOrdering Information MDS·EM1 EM2 Emulation Board EM2 40·PIN Socket Configuration EM2 Block DiagramANO AN1 EM2 UPP-1P3MDS-EM2 September Canadian Sales Offices TAvnet Electronics McCormick Avenue Costa Mesa Canadian Distributors IntJ International DISTRIBUTORS/REPRESENTATIVES Bowers Avenue International Sales and Marketing Offices INTEL$ Marketing Offices International Sales and Marketing Offices Canadian Service Offices