Copyright © Siemens AG 2016. All rights reserved
176
ERTEC 200P-2 Manual
Technical data subject to change
Version 1.0
Hold Phase of read access lasts (
1) clocks.
12dt7 R_STROBE
3Fh
r w
Read Strobe Duration Cycles
Strobe Phase of read access (Read Enable =
0) lasts (R_ 1) clocks.
Value 0 is not supported.
16dt13 R_SU
Fh
r w
Read Setup Cycles
Setup Phase of read access lasts R_SU
clocks.
19dt17 W_HOLD
7h
r w
Write Hold Cycles
Hold Phase of write access lasts (
1) clocks.
25dt20 W_STROBE
3Fh
r w
Write Strobe Duration Cycles
Strobe Phase of write access (Write Enable =
0) lasts (W_ 1) clocks.
29dt26 W_SU
Fh
r w
Write Setup Cycles
Setup Phase of write access lasts W_SU
clocks.
30
EW
0h
r w
Extend Wait mode
0 = WAIT input = don't care
1 = Wait input extends access (valid in
SRAM mode only)
31
WSM
0h
r w
Wait input synchronisation mode
0 = 2 Flipflops
1 = 1 Flipflop
Register:
EXTENDED_CONFIG
Address:
20h
Bits:
31dt0
Reset value:
01F70000h
Attributes: r (w)
Description:
Extended Configuration register
Bit
Identifier
Reset Attr.
Function / Description
6dt0 reserved_1
00h
r w reserved
7
AT_EN
0h
r w
Async. Timeout Enable
0 = disabled
1 = enabled
8
SDRAM_DW
0h
r w
SDRAM interface data width
0 = 32 bit
1 = 16 bit
9
MOBILE_SDRAM
0h
r w
Mobile SDRAM Mode
0 = disabled (1 SDRAM mode register)
1 = enabled (2 SDRAM mode register)
10
ASYNC_ADDR_MODE 0h
r w Async. Address Output Mode
Содержание ERTEC 200P
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