Table Of Contents - Profichip VPC3+S User Manual

1 Introduction ................................................................ 5
2 Functional Description .............................................. 7
3 Pin Description ........................................................... 9
4 Memory Organization ............................................... 19
5 ASIC Interface ........................................................... 25
6 PROFIBUS DP Interface ........................................... 41
7 PROFIBUS DP Extensions ....................................... 59
VPC3+S User Manual
Copyright © profichip GmbH, 2012
2.1 Overview .................................................................................... 7
3.1 Pinout ......................................................................................... 9
3.2 Pin Assignment (Overview) .......................................................11
3.2.1 Asynchronous Intel Mode .............................................. 13
3.2.2 Synchronous Intel Mode ................................................ 14
3.2.3 Asynchronous Motorola Mode ....................................... 15
3.2.4 Synchronous Motorola Mode ......................................... 16
3.2.5 SPI Mode ....................................................................... 17
3.2.6 I2C Mode ....................................................................... 17
4.1 Overview ...................................................................................19
4.2 Control Parameters (Latches/Registers)....................................21
4.3 Organizational Parameters (RAM).............................................23
5.1 Mode Registers .........................................................................25
5.1.1 Mode Register 0 ............................................................ 25
5.1.2 Mode Register 1 ............................................................ 27
5.1.3 Mode Register 2 ............................................................ 29
5.1.4 Mode Register 3 ............................................................ 31
5.2 Status Register..........................................................................32
5.3 Interrupt Controller ....................................................................34
5.3.1 Interrupt Request Register ............................................. 35
5.3.2 Interrupt Acknowledge / Mask Register .......................... 38
5.4 Watchdog Timer ........................................................................38
5.4.1 Automatic Baud Rate Identification ................................ 39
5.4.2 Baud Rate Monitoring .................................................... 39
5.4.3 Response Time Monitoring ............................................ 39
6.1 DP Buffer Structure ...................................................................41
6.2 Description of the DP Services ..................................................44
6.2.1 Set_Slave_Add (SAP 55) ............................................... 44
6.2.2 Set _Prm (SAP 61) ........................................................ 45
6.2.3 Chk_Cfg (SAP 62) ......................................................... 49
6.2.4 Slave_Diag (SAP 60) ..................................................... 50
6.2.5 Write_Read_Data / Data_Exchange (Default_SAP) ....... 52
6.2.6 Global_Control (SAP 58) ............................................... 56
6.2.7 RD_Input (SAP 56) ........................................................ 57
6.2.8 RD_Output (SAP 57) ..................................................... 57
6.2.9 Get_Cfg (SAP 59) .......................................................... 58
Revision 1.04

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