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Siemens SPC3 manual Application with the 80 C

Models: SPC3

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Page 43

SPC3

PROFIBUS Interface Center

7.1.4 Application with the 80 C 32

5

CLK

SPC3

48 MHz

M

1K

8

XINT/MOT

CLK2

7

Px.x

36

13

uC

RESET

XHOLDT.

1

14

P5

3k3

XCS

XREADY

23

10

P5

3k3

MODE

AB 10

1K

M

ALE

24

9

INT0/1

uC

ALE

X/INT

uC

XWR

2

uC

XWR

XRD

4

uC

XRD

34

33

P5

3k3

XTEST0

XCTS

1K

35

P5

3k3

XTEST1

3

RXD

30

RXD

5V or

DIVIDER

RS485

27

RTS

GND

RTS

RS485

AB8

44

26

TXD

0

TXD

RS485

AB9

43

1

AB10

41

2

0

11

ADB0

AB11

40

3

1

12

ADB1

AB12

1

37

4

2

15

ADB2

AB13

42

5

3

16

ADB3

AB

DB 4

AB14

32

6

19

ADB4

ADB(8:15)

AB15

31

7

5

20

ADB5

uC

M

1K

29

8

6

21

ADB6

25

7

22

ADB7

M

1K

9

DB(0:7)

uC

The pull up / pull down resistances in the drawing above are only relevant for a in circuit tester.The internal chip select logic is activated when the address pins A 11 .. A 15 are set to „0“ . In the example above the starting address of the SPC3 is set to 0x1000 .

Processor

ALE

SPC3

AD 0 ..7

A8 .. 10

Addreß-	AD 0 ..7
latch

	A 0..10		1,5 kByte RAM
	A 0..10		in the SPC 3
			in the SPC 3


A 11.. 15	alle 0

CS

SPC3 Hardware Description	V1.3	Page 41
Copyright (C) Siemens AG 2003 All rights reserved.		2003/04

Image 43

Siemens SPC3 manual Application with the 80 C

Contents

Simatic NET Page SIM Atic NET SPC3 Hardware Description Profibus Interface CenterRelease Date Changes VersionsDirectory Mode RegisterStatus Register Interrupt Controller Watchdog Timer DPBuffer Structure Description of the DP ServicesAsic Test 11.3 Diagnostics Processing from the System ViewPin Assignment Example for the RS 485 Interface SPC3 Introduction Function Overview Cmos Pin DescriptionCPD 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 1CHAsic Interface Mode RegisterDisstartcontrol EOI Mode Register 1 Mode-REG1, writableSTARTSPC3 Exiting the Offline stateStatus Register Status Register Bit15 . .readable FdlindstSPC3 IRR IMR Interrupt ControllerDxout IAR IMRResponse Time Monitoring Watchdog TimerAutomatic Baud Rate Identification Baud Rate MonitoringDPBuffer Structure PROFIBUS-DP InterfaceUart Aux-Buffer Management RAMSetSlaveAddress SAP55 Description of the DP ServicesSequence for the SetSlaveAddress Utility Parameter Data Structure SetParam SAP61Parameter Data Processing Sequence SPC3 CheckConfig SAP62SlaveDiagnosis SAP60 Diagnostics Processing SequenceSPC3 WriteReadData / DataExchange DefaultSAP Structure of the Diagnostics BufferWriting Outputs Reading Inputs Profibus Interface CenterGlobalControl SAP58 UserWatchdogTimerReadInputs SAP56 GetConfig SAP59ReadOutputs SAP57 Bus Interface Unit BIU Hardware InterfaceUniversal Processor Bus Interface General DescriptionBus Interface V1.3 XINT/MO ModeLow Cost System with 80C32 Switching Diagram PrinciplesSystem X86-Mode Application with the 80 C SPC3Application with th 80 C Uart Interface SignalsAsic Test DC-Specifikation of the I/O- Drivers Technical DataMaximum Limit Values Permitted Operating ValuesTabel 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 MhzTBD ResetTiming in the Synchronous C32-Mode ST-Vers Min Max UnitSynchronous Intel-Mode, Processor-Write-Timing Synchronous Intel-Mode, Processor-Read-TimingST-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-TimingSynchronous Motorola-Mode, Processor-Read-Timing 4.1 74.2Timing in the Asynchronous Motorola-Mode for example, 68HC16 Synchronous Motorola-Mode, Processor-Write-TimingXCS Xdsack Asynchronous Motorola-Mode, Processor-Read-TimingAsynchronous Motorola-Mode, Processor-Write-Timing Pulse 48 MHz Serial Bus InterfaceHousing PQFP-44 Housing SPC3 Hardware Description 14.15 Symbol Min Typ Max AMI-Vers13.65 13.90TXD Profibus InterfacePin Assignment RTSSN65ALS1176 Example for the RS 485 InterfaceTechnical contact person at ComDeC in Germany AppendixAddresses Profibus User Organisation10.3.2 SPC3 ST General Definition of TermsOrdering of ASICs 10.3.1 SPC3 AMIStatdiag Appendix a Diagnostics Processing in Profibus DPDiagnostics Bits and Expanded Diagnostics IntroductionIdentifier Byte 7 has Etc Identifier Byte 0 has Combi Diagnostics Processing from the System ViewSingle Diagnostics Simatic S5 / COM ETData format in the Siemens PLC Simatic Appendix B Useful InformationPage Siemens Aktiengesellschaft