Copyright © Siemens AG 2016. All rights reserved
168
ERTEC 200P-2 Manual
Technical data subject to change
Version 1.0
The following table shows the relationship of the interface signals and the connected memory device:
Interface Signal
SDRAM
device (incl.
Mobile
SDRAM)
SRAM
device
Burst Flash
ROM
supported in
ERTEC 200P
supported in
ERTEC
200P
supported in
ERTEC
200P
MD_IN – read data
x
x
x
CLK_SDRAM_I
x
use 125MHz
CLK_BF_I
x
ASYNC_WAIT
x
BF_RDY
x
CLK_BF_O
x
MA – memory address
(15:0)
x
x
MD_OUT – write data
x
x
x
XOE_MD
x
x
x
DQM_SDRAM
x
XBE
XBE
XCS_SDRAM
x
XRAS_SDRAM
x
XCAS_SDRAM
x
XWE_SDRAM
x
XCS_ASYNC
x
x
XWE_ASYNC
x
x
XOE_ASYNC
x
x
DTXR
[x]
XOE_DRIVER
[x]
XBF_AVD
x
Table 14: EMC, Connection to the Memory devices