Copyright © Siemens AG 2016. All rights reserved
379
ERTEC 200P-2 Manual
Technical data subject to change
Version 1.0
7 reserved
0h
r
h
w
31dt1
6
PULSE_DUR
0h
r
h
w
Pulse duration for SW resets
RES_SOFT, RES_SOFT_PN,
ARM926 watchdog reset
TRES_PULSE = (8 x n + 8) x TCLK
TCLK: APB clock period (1/125 MHz
= 8 ns)
n: Value of PULSE_DUR (0 .. 65535)
The integrated PHYs require a reset
duration of - 100 us.
n - 1562 must therefore be set
Register:
SYN_RES_CTRL_REG
Address: 10h
Bits:
31dt0
Reset value: 0h
Attribu-
tes:
r
w
Description:
Control register for synchronous ERTEC 200P reset
Bit Identifier
Reset Attr. Function / Description
0 SYN_RES_PER_IF
xh
r w
0: No synchronous reset with PER-IF
1: Synchronous reset with PER-IF
(retentive)
1 SYN_RES_HOST
xh
r w
0: No synchronous reset with host
interface
1: Synchronous reset with host inter-
face (retentive)
2 SYN_RES_PN_IP
xh
r w
0: No synchronous reset with PN-IP
1: Synchronous reset with PN-IP
(retentive)
3
SYN_RES_RS_CONTROLLE
R
xh
r w
0: No synchronous reset with RS
controller
1: Synchronous reset with RS control-
ler (retentive)
Register:
RES_STAT_REG
Address: 14h
Bits:
31dt0
Reset value: 4h
Attribu-
tes:
rh
Description:
Status register for ERTEC 200P reset
Only the bit for the most recent reset event is ever set. The
two other bits are reset.
Bit Identifier
Reset Attr. Function / Description
0 ARM926_WDOG_RES
xh
r 1: The last reset was with the
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