Asynchronous Motorola-Mode, Processor-Read-Timing

		SPC3	PROFIBUS Interface Center
		SPC3	PROFIBUS Interface Center

T	=	Pulse cycle (48MHz)
TBD	=	To Be Defined
(1	=	Access to the RAM

(2	=	Access to the register/latches

(3	=	For T = 48MHz

Asynchronous Motorola-Mode, Processor-Read-Timing

AB(10..0)	VALID
	60	61	62
	60	61
DB(7..0)			Data Out
			65
	63		64
AS	63		66
AS
R_W			67
R_W
77	68
XCS			69
XCS
XDSACK		70	72
(normal)		71
		71
XDSACK
(early)
			73
			E_Clock = log.'0'

Asynchronous Motorola-Mode, Processor-Write-Timing

AB(10..0)

DB(7..0)

R_W

XCS

XDSACK (normal)

XDSACK (early)

VALID
60	62
Data In
74	75
76
66
63	67
63
68
	69	78
70	72
71		79
71
73
		E_Clock = log.'0'

SPC3 Hardware Description	V1.3	Page 53
Copyright (C) Siemens AG 2003 All rights reserved.		2003/04

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Siemens SPC3 manual Asynchronous Motorola-Mode, Processor-Read-Timing, XCS Xdsack

SPC3 specifications

Siemens SPC3 is a state-of-the-art solution designed to enhance industrial automation, providing businesses with a robust platform for managing complex processes efficiently. This device epitomizes Siemens' commitment to innovation, blending cutting-edge technology with user-friendly features to deliver optimized performance across various applications.

One of the standout features of the Siemens SPC3 is its advanced processing capabilities. Equipped with high-performance processors, it can handle various tasks simultaneously, ensuring seamless operation even in demanding environments. This performance is complemented by enhanced memory capacity, which allows for increased data handling and improved execution speed, crucial for real-time monitoring and control applications.

The Siemens SPC3 also integrates a modular design, enabling flexibility and scalability. This characteristic allows users to customize their systems according to specific operational needs, adding or removing components as required. This adaptability is particularly beneficial for businesses that aim to scale their operations without incurring the substantial costs associated with overhauling existing systems.

Furthermore, the SPC3 employs the latest communication technologies, ensuring interoperability with various devices and systems. It supports industry-standard protocols, facilitating efficient data exchange between components. This connectivity is vital for establishing smart factories and enhancing overall productivity by creating a unified ecosystem.

Another significant aspect of the Siemens SPC3 is its focus on security. As cyber threats in industrial settings become increasingly sophisticated, Siemens prioritizes safeguarding user data and system integrity. The SPC3 incorporates advanced security features, including encryption and access control measures, to protect against unauthorized access and ensure data confidentiality.

Siemens has also emphasized ease of use in the SPC3. The interface is designed to be intuitive, allowing operators to navigate and configure the system effortlessly. Coupled with comprehensive software tools, users are empowered to implement changes swiftly while minimizing downtime.

In terms of energy efficiency, the SPC3 incorporates technologies that allow for optimized energy consumption, aligning with sustainability goals prevalent in today’s industries. By reducing energy waste, businesses not only lower operational costs but also contribute to environmental conservation.

In summary, Siemens SPC3 represents a significant advancement in industrial automation technology. Its high-performance processing, modular adaptability, advanced communication capabilities, robust security measures, and user-friendly design make it an ideal choice for businesses striving for efficiency and innovation in their operations. The SPC3 is more than just a control device; it is a comprehensive solution that meets the evolving demands of modern industries.

Contents

Simatic NET Page SIM Atic NET SPC3 Hardware Description Profibus Interface Center Release Date Changes Versions Directory Mode RegisterStatus Register Interrupt Controller Watchdog Timer DPBuffer Structure Description of the DP Services Asic Test 11.3 Diagnostics Processing from the System ViewPin Assignment Example for the RS 485 Interface SPC3 Introduction Function Overview Cmos Pin Description CPD Cmos with pull down TTLt Schmitt trigger V1.3 Memory Area Distribution in the SPC3 Memory Allocation5FFH Segment Processor Parameters Latches/Register OCH 0DH Significance Write Access0EH 0FH Organizational Parameters RAM 1DH 1AH1BH 1CH Asic Interface Mode Register Disstartcontrol EOI Mode Register 1 Mode-REG1, writableSTARTSPC3 Exiting the Offline state Status Register Status Register Bit15 . .readable Fdlindst SPC3 IRR IMR Interrupt Controller Dxout IAR IMR Response Time Monitoring Watchdog TimerAutomatic Baud Rate Identification Baud Rate Monitoring DPBuffer Structure PROFIBUS-DP Interface Uart Aux-Buffer Management RAM SetSlaveAddress SAP55 Description of the DP ServicesSequence for the SetSlaveAddress Utility Parameter Data Structure SetParam SAP61Parameter Data Processing Sequence SPC3 CheckConfig SAP62 SlaveDiagnosis SAP60 Diagnostics Processing SequenceSPC3 WriteReadData / DataExchange DefaultSAP Structure of the Diagnostics BufferWriting Outputs Reading Inputs GlobalControl SAP58 UserWatchdogTimer ReadInputs SAP56 GetConfig SAP59ReadOutputs SAP57 Bus Interface Unit BIU Hardware InterfaceUniversal Processor Bus Interface General Description Bus Interface V1.3 XINT/MO Mode Low Cost System with 80C32 Switching Diagram Principles System X86-Mode Application with the 80 C SPC3 Application with th 80 C Uart Interface SignalsAsic Test DC-Specifikation of the I/O- Drivers Technical DataMaximum Limit Values Permitted Operating Values Tabel 8.3 DC-Specifikation of the I/O- Drivers AC-Specification for the Output DriversCurrent Tabelle 8.5 Leakage current of the output drivers Clock Pulse Timing Timing CharacteristicsSYS Bus Interface Clock pulse 48 Mhz TBD ResetTiming in the Synchronous C32-Mode ST-Vers Min Max Unit Synchronous Intel-Mode, Processor-Write-Timing Synchronous Intel-Mode, Processor-Read-Timing ST-Vers Timing in the Asynchronous Intel Mode X86 ModeParameter Min Max XWR XCS Asynchronous Intel-Mode, Processor-Read-TimingXRD XCS Xready Asynchronous Intel-Mode, Processor-Write-Timing Synchronous Motorola-Mode, Processor-Read-Timing 4.1 74.2 Timing in the Asynchronous Motorola-Mode for example, 68HC16 Synchronous Motorola-Mode, Processor-Write-Timing XCS Xdsack Asynchronous Motorola-Mode, Processor-Read-TimingAsynchronous Motorola-Mode, Processor-Write-Timing Pulse 48 MHz Serial Bus Interface Housing PQFP-44 Housing SPC3 Hardware Description 14.15 Symbol Min Typ Max AMI-Vers13.65 13.90 TXD Profibus InterfacePin Assignment RTS SN65ALS1176 Example for the RS 485 Interface Technical contact person at ComDeC in Germany AppendixAddresses Profibus User Organisation 10.3.2 SPC3 ST General Definition of TermsOrdering of ASICs 10.3.1 SPC3 AMI Statdiag Appendix a Diagnostics Processing in Profibus DPDiagnostics Bits and Expanded Diagnostics Introduction Identifier Byte 7 has Etc Identifier Byte 0 has Combi Diagnostics Processing from the System ViewSingle Diagnostics Simatic S5 / COM ET Data format in the Siemens PLC Simatic Appendix B Useful InformationPage Siemens Aktiengesellschaft