4.4.2 F-Timer Register Description......................................................................................................... 44
4.5 Watchdog Timers................................................................................................................................... 45
4.5.1 Watchdog Timer 0..........................................................................................................................45
4.5.2 Watchdog Timer 1..........................................................................................................................45
4.5.3 Watchdog Interrupt........................................................................................................................ 45
4.5.4 WDOUT0_N...................................................................................................................................45
4.5.5 WDOUT1_N...................................................................................................................................45
4.5.6 Watchdog Registers.......................................................................................................................46
4.5.7 Address Assignment of Watchdog Registers................................................................................. 46
4.5.8 Watchdog Register Description..................................................................................................... 46
4.6 UART Interface.......................................................................................................................................48
4.6.1 Address Assignment of UART Registers....................................................................................... 49
4.6.2 UART Register Description............................................................................................................ 50
4.7 Synchronous Interface SPI.....................................................................................................................54
4.7.1 Address Assignment of SPI Register............................................................................................. 55
4.7.2 SPI Register Description................................................................................................................56
4.8 System control register...........................................................................................................................58
4.8.1 Address Assignment of System Control Registers........................................................................ 58
4.8.2 System Control Register Description.............................................................................................59
5 General Hardware Functions................................................................................................ 64
5.1 Clock Generation and Clock Supply.......................................................................................................64
5.1.1 Clock Supply in ERTEC 200.......................................................................................................... 64
5.1.2 JTAG Clock Supply........................................................................................................................65
5.1.3 Clock Supply for PHYs and Ethernet MACs.................................................................................. 65
5.2 Reset Logic of the ERTEC 200.............................................................................................................. 65
5.2.1 PowerOn reset...............................................................................................................................65
5.2.2 Hardware Reset.............................................................................................................................66
5.2.3 Watchdog Reset............................................................................................................................ 66
5.2.4 Software reset................................................................................................................................66
5.2.5 IRT Switch Reset........................................................................................................................... 66
5.3 Address Space and Timeout Monitoring................................................................................................ 67
5.3.1 AHB Bus Monitoring.......................................................................................................................67
5.3.2 APB Bus Monitoring.......................................................................................................................67
5.3.3 EMIF Monitoring............................................................................................................................ 67
5.4 Configuration Options on the ERTEC 200..............................................................................................67
6 External Memory Interface (EMIF)........................................................................................ 69
6.1 Address Assignment of EMIF Registers.................................................................................................70
6.2 EMIF Register Description..................................................................................................................... 70
7 Local Bus Unit (LBU)............................................................................................................. 74
7.1 Page Range Setting............................................................................................................................... 76
7.2 Page Offset Setting................................................................................................................................ 76
7.3 LBU Address Mapping........................................................................................................................... 77
7.4 Page Control Setting.............................................................................................................................. 78
7.5 Host Access to the ERTEC200.............................................................................................................. 78
7.5.1 LBU Read from ERTEC 200 with separate Read/Write line (LBU_RDY_N active low)................. 79
7.5.2 LBU Write to ERTEC 200 with separate Read/Write line (LBU_RDY_N active low)......................80
7.5.3 LBU Read from ERTEC 200 with common Read/Write line (LBU_RDY_N active low) ................. 81
7.5.4 LBU Write to ERTEC 200 with common Read/Write line (LBU_RDY_N active low)...................... 82
7.6 Host Interrupt Handling:......................................................................................................................... 82
7.7 Address Assignment of LBU Registers.................................................................................................. 83
7.8 LBU Register Description....................................................................................................................... 83
8 DMA-Controller.......................................................................................................................85
8.1 DMA Register Address Assignment....................................................................................................... 86
8.2 Description of DMA Registers................................................................................................................ 86
9 Multiport Ethernet PHY..........................................................................................................88
10 Memory Description...............................................................................................................91
10.1 Memory Partitioning of the ERTEC 200................................................................................................. 91
10.2 Detailed Memory Description................................................................................................................. 92
11 Test and Debugging...............................................................................................................94
11.1 ETM9 Embedded Trace Macrocell.........................................................................................................94
11.1.1 Trace Modes.................................................................................................................................. 94
11.1.2 Features of the ETM9 Module....................................................................................................... 94
Copyright © Siemens AG 2007. All rights reserved. Page 6 ERTEC 200 Manual
Technical data subject to change Version 1.1.0