User ManualTable of ContentsMicrocomputers1the 80's1FUNCTIONAL DESCRIPTION2The 8051 Family2Macro-view of the 8051 Architecture2I/O Pins42.1.2.3 Timer/Event Counters62.2.3 Internal Data Memory92.2.3.1 Internal Data RAM92.2.3.2 Register Banks92.2.3.8 Data Pointer112.2.4 Arithmetic Section112.2.5 Program Control Section112.2.6 Oscillator and Timing Circuitry112.2.7 Boolean Processor11Memory Organization11Operand Addressing122.5.1 Data Transfer Operations142.5.2 logic Operations152.5.3 Arithmetic Operations16Control Transfer17Instruction Set182.7.1 What the Instruction Set Is18Associated Operations21Interrupt System222.8.1 External Interrupts24Interrupts242.9 Ports and I/O Pins24Accessing External Memory252.10.1 Operation of Ports262.10.2 Bus Cycle Timing26TimerlCounter282.11.1 TIC Mode Selection282.11.2 Configuring the TIC Input282.11.3 TIC Operation29Serial Channel292.12.2 Operating Modes312.12.2.1 Operating Mode O31through 3322.12.3 The Serial Frame322.12.4 Transmission Rate Generation32External Interface33Initialization33Internal RAM33EPROM Programming34The 8051 as an Evolution of the 804834Support348051 Pin Description35Instruction Set Summary37Size: 5.84 MBPages: 44Language: EnglishOpen manual
User ManualTable of ContentsMicrocomputers1the 80's1FUNCTIONAL DESCRIPTION2The 8051 Family2Macro-view of the 8051 Architecture2I/O Pins42.1.2.3 Timer/Event Counters62.2.3 Internal Data Memory92.2.3.1 Internal Data RAM92.2.3.2 Register Banks92.2.3.8 Data Pointer112.2.4 Arithmetic Section112.2.5 Program Control Section112.2.6 Oscillator and Timing Circuitry112.2.7 Boolean Processor11Memory Organization11Operand Addressing122.5.1 Data Transfer Operations142.5.2 logic Operations152.5.3 Arithmetic Operations16Control Transfer17Instruction Set182.7.1 What the Instruction Set Is18Associated Operations21Interrupt System222.8.1 External Interrupts24Interrupts242.9 Ports and I/O Pins24Accessing External Memory252.10.1 Operation of Ports262.10.2 Bus Cycle Timing26TimerlCounter282.11.1 TIC Mode Selection282.11.2 Configuring the TIC Input282.11.3 TIC Operation29Serial Channel292.12.2 Operating Modes312.12.2.1 Operating Mode O31through 3322.12.3 The Serial Frame322.12.4 Transmission Rate Generation32External Interface33Initialization33Internal RAM33EPROM Programming34The 8051 as an Evolution of the 804834Support348051 Pin Description35Instruction Set Summary37Size: 5.84 MBPages: 44Language: EnglishOpen manual
