Siemens ERTEC 200P-2 Manual page 229

Description:
Bit Identifier
16dt0 ahb_apb_address
26dt17 reserved
27dt27 ahb_apb_select
29dt28 ahb_apb_size
30dt30 ahb_apb_rd_wr
31dt31 err_lock
Register: Burst_Config
Bits: 31dt0
Description:
Bit Identifier
1dt0 BurstMode_comAHB
7dt2 reserved
9dt8 BurstMode_applAHB
31dt10 reserved
Configuration rule:
If the data to be sent cyclically, which the PN-IP requests at the FSO (FrameSendOffset)
time by accessing the PerIF.IO-RAM, are to be provided in time (max. time: 1280ns,
equal to the header feed of 16 bytes), register Burst_Config = 0x0003 (default value)
must be configured.
This ensures that burst access by the PN-IP (communicative instance) is treated as such
at the IO-RAM while burst access by the applicative instances (host interface, ARM and
Copyright © Siemens AG 2016. All rights reserved
Technical data subject to change
Access_Err
Reset
0h
0h
0h
0h
0h
0h
Reset value:
Burst_Config
Reset
3h
0h
0h
0h
229
Attr. Function / Description
rh ahb_apb_address
rh ahb_apb_select
rh ahb_apb_size
rh ahb_apb_rd_wr
rh w err_lock
Address:
0003h Attributes: (r) (w)
Attr. Function / Description
At the communicative AHB slave inter-
face, an AHB RD/WR burst is
"x0": not supported (
executed)
"01": supported for all burst types ex-
cept for INCR (
r w
cuted)
"11": supported for all burst types
(INCR, INCR4, ... , WRAP4, ...
WRAP16)
at the SC bus.
At the applicative AHB slave interface, an
AHB RD/WR burst is
"x0": not supported (
executed)
"01": supported for all burst types ex-
cept for INCR (
r w
cuted)
"11": supported for all burst types
(INCR, INCR4, ... , WRAP4, ...
WRAP16)
at the SC bus.
80Ch
single access
single access exe-
single access
single access exe-
ERTEC 200P-2 Manual
Version 1.0