Siemens SPC3 manual Directory, Mode Register, Status Register Interrupt Controller Watchdog Timer

PROFIBUS Interface Center				SPC3
Directory
1	INTRODUCTION				7
2	FUNCTION OVERVIEW				8
3	PIN DESCRIPTION				9
4	MEMORY ALLOCATION				11
	4.1	Memory Area Distribution in the SPC3			11
	4.2	Processor Parameters (Latches/Register)			13
	4.3	Organizational Parameters (RAM)			15
5	ASIC INTERFACE				17
	5.1	Mode Register			17
	5.1.1		Mode Register 0		17
	5.1.2 Mode Register 1 (Mode-REG1, writable):				19
	5.2	Status Register			20
	5.3	Interrupt Controller			22
	5.4	Watchdog Timer			25
	5.4.1 Automatic Baud Rate Identification				25
	5.4.2		Baud Rate Monitoring		25
	5.4.3		Response Time Monitoring		25
6	PROFIBUS-DP INTERFACE				26
	6.1	DP_Buffer Structure			26
	6.2	Description of the DP Services			29
	6.2.1		Set_Slave_Address (SAP55)		29
	6.2.2		Set_Param (SAP61)		30
	6.2.3		Check_Config (SAP62)		31
	6.2.4		Slave_Diagnosis (SAP60)		32
	6.2.5 Write_Read_Data / Data_Exchange (Default_SAP)				33
	6.2.6		Global_Control (SAP58)		35
	6.2.7		Read_Inputs (SAP56)		36
	6.2.8		Read_Outputs (SAP57)		36
	6.2.9		Get_Config (SAP59)		36
7	HARDWARE INTERFACE				37
	7.1	Universal Processor Bus Interface			37
	7.1.1		General Description		37
	7.1.2		Bus Interface Unit (BIU)		37
	7.1.3		Switching Diagram Principles		39
	7.1.4 Application with the 80 C 32				41
	7.1.5 Application with th 80 C 165				42
Page 4			V1.3		SPC3 Hardware Description
2003/04					Copyright (C) Siemens AG 2003. All rights reserved.