Copyright © Siemens AG 2010. All rights reserved.
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8
ERTEC 400 Manual
Technical data subject to change
Version 1.2.2
List of Figures
Figure 1: ERTEC 400 Block Diagram .................................................................................................................... 10
Figure 2: ERTEC 400 Package Description .......................................................................................................... 11
Figure 3: Structure of ARM946E-S Processor System .......................................................................................... 21
Figure 4: GPIO Cells of ERTEC 400 ..................................................................................................................... 35
Figure 5: Block Diagram of F-Counter ................................................................................................................... 41
Figure 6: Watchdog Timing.................................................................................................................................... 43
Figure 7: Block Diagram of UART ......................................................................................................................... 46
Figure 8: Block Diagram of SPI ............................................................................................................................. 52
Figure 9: Detailed Representation of Clock Unit.................................................................................................... 64
Figure 10: Clock Supply of Ethernet Interface ....................................................................................................... 65
Figure 11: Power-Up Phase of the PLL ................................................................................................................. 65
Figure 12: LBU-Read-Sequence with separate RD/WR line ................................................................................. 77
Figure 13: LBU-Write-Sequence with separate RD/WR line.................................................................................. 78
Figure 14: LBU-Read-Sequence with common RD/WR line.................................................................................. 79
Figure 15: LBU Write Sequence with common RD/WR line .................................................................................. 80
Figure 16: PCI Interrupt Handling .......................................................................................................................... 86
List of Tables
Table 1: ERTEC 400 Pin Assignment and Signal Description............................................................................... 19
Table 2: Overview of IRQ Interrupts ...................................................................................................................... 25
Table 3: Overview of FIQ Interrupts....................................................................................................................... 25
Table 4: Overview of Interrupt Control Register..................................................................................................... 27
Table 5: CP15 Registers - Overview ..................................................................................................................... 31
Table 6: Overview of AHB Master-Slave Access................................................................................................... 32
Table 7: Access Type and Data Bit Width of I/O.................................................................................................... 33
Table 8: Selection of Download Source................................................................................................................. 34
Table 9: Overview of GPIO Registers.................................................................................................................... 35
Table 10: Overview of Timer Registers ................................................................................................................. 38
Table 11: Overview of F-Timer Registers .............................................................................................................. 42
Table 12: Overview of WD Registers..................................................................................................................... 44
Table 13: Baud Rates for UART at F
UARTCLK
=50 MHz ........................................................................................... 47
Table 14: Overview of UART 1/2 Registers ........................................................................................................... 48
Table 15: Overview of SPI Registers..................................................................................................................... 53
Table 16: Overview of System Control Registers .................................................................................................. 57
Table 17: Overview of ERTEC 400 Clocks............................................................................................................ 63
Table 18: Overview of EMIF Registers .................................................................................................................. 70
Table 19: Setting of Various Page Sizes ............................................................................................................... 75
Table 20: Setting of Various Offset Areas ............................................................................................................. 75
Table 21: Overview of Accesses to Address Areas of ERTEC 400 ....................................................................... 76
Table 22: LBU read access timing with seperate Read/Write line ......................................................................... 77
Table 23: LBU write access timing with seperate Read/Write line......................................................................... 78
Table 24: LBU read access timing with common Read/Write line ......................................................................... 79
Table 25: LBU write access timing with common Read/Write line ......................................................................... 80
Table 26: Overview of LBU Registers.................................................................................................................... 81
Table 27: Overview of PCI Registers..................................................................................................................... 91
Table 28: Partitioning of Memory Areas ................................................................................................................ 92
Table 29: Detailed Description of Memory Segments............................................................................................ 93
Table 30: Pin Assignment of JTAG Interface......................................................................................................... 96