10.2 Detailed Memory Description - Siemens ERTEC200 Manual

10.2 Detailed Memory Description

The table below presents a detailed description of the memory segments. Mirrored segments should not be used for
addressing to ensure compatible memory expansion at a later date.
Segment Contents
Boot-ROM (0-8kB)
or
EMIF-SDRAM (0-128MB)
or
0
EMIF-Memory(0-64MB)
or
Locked I-Cache
(2/4/6kB)
1 IRT switch
2 EMIF (SDRAM)
EMIF
3
IO Bank 0
EMIF
IO Bank 1
EMIF
IO Bank 2
EMIF
IO Bank 3
Not used
4 Internal boot ROM
Timer 0 - 2
Watchdog
SPI
UART
Reserved
GPIO
System control register
block
F counter
Reserviert
Copyright © Siemens AG 2007. All rights reserved.
Technical data subject to change
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0000_0000 -
256 MB
0FFF_FFFF
1000_0000 -
256 MB
1FFF_FFFF
2000_0000 -
256 MB
2FFF_FFFF
3000_0000 -
16 MB
30FF_FFFF
3100_0000 -
16 MB
31FF_FFFF
3200_0000 -
16 MB
32FF_FFFF
3300_0000 -
16 MB
33FF_FFFF
3400_0000 -
3FFF_FFFF
4000_0000-
8 kB
4000_1FFF
4000_2000 -
256 Byte
4000_20FF
4000_2100 -
256 Byte
4000_21FF
4000_2200 -
256 Byte
4000_22FF
4000_2300 -
256 Byte
4000_23FF
4000_2400 -
256 Byte
4000_24FF
4000_2500 -
256 Byte
4000_25FF
4000_2600 -
256 Byte
4000_26FF
4000_2700 -
256 Byte
4000_27FF
4000_2800-
4FFF_FFFF
92
Beschreibung
After Reset:
Boot-ROM (8kB physical.;
memory swap=00b);
After memory swap:
EMIF-SDRAM (128MB physical.;
memory swap=01b); or
EMIF memory (64MB physical.;
memory swap=10b);
From ARM9 perspective, the locked I-
cache (2/4/6 Kbytes) or a D-TCM (4
Kbytes) can be displayed.
Note2
2 MB physical;
- 0-1MB for IRT-Register
- 1-2MB for KRAM (64 kByte)
Note1
128 MByte
When a smaller memory area is used,
mirroring over the entire area
When a smaller device is interfaced, mirroring
over the entire 16 Mbytes
When a smaller device is interfaced, mirroring
over the entire 16 Mbytes
When a smaller device is interfaced, mirroring
over the entire 16 Mbytes
When a smaller device is interfaced, mirroring
over the entire 16 Mbytes
8 kByte physical
32 Byte physical
Note2
28 Byte physical
Note2
256 Byte physical
256 Byte physical
256 Byte physical
32 Byte physical
Note2
164 Byte physical
System control register block ERTEC 200
Note2
8 Byte physical
Note2
ERTEC 200 Manual
Version 1.1.0