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DPC31 HW
Page 84 Version V 1.0
DPC31 HW Description
12/00 Copyright (C) Siemens AG 2000. All rights reserved.
12 Application Notes
12.1 DPC31 Wiring
XPLLEN
XTAL1_CLK
XTAL2
CLKOUT1X2
CLKOUT1X4
AVDD
AGND
89
98
99
100
94
8
7
NTEST1
NTEST2
TST1
BOOT0
BOOT1
BUS0
BUS1
BUS2
3
4
5
81
82
84
85
86
PE
0
PE
1
PE
2
PE
3
PE
4
PE
5
PE
6
PE
7
10
11
12
13
14
15
16
17
D
0
D
1
D
2
D
3
D
4
D
5
D
6
D
7
PF
0
PF
1
PF
2
PF
3
PF
4
PF
5
PF
6
PF
7
A
0
A
1
A
2
A
3
A
4
A
5
A
6
A
7
PG
0
PG
1
PG
2
PG
3
PG
4
A
9
A
10
A
11
A
12
18
19
20
21
22
23
24
25
26
27
30
31
32
PG
5
PG
6
PG
7
33
34
35
X
INT
XCS
XWR
PH
0
PH
1
PH
2
36
37
38
XRD
VDD
XRDY
RESET
6
87
RXD_RXS
88
XCTS_RXA
95
96
TXD_TXS
RTS_TXE
SSDI
92
93
SSCLK
SSDO
90
PA
0
PA
1
PA
2
PA
3
PA
4
PA
5
PA
6
PA
7
44
45
46
47
48
49
50
51
AD
0
AD
1
AD
2
AD
3
AD
4
AD
5
AD
6
AD
7
PC
0
PC
1
PC
2
PC
3
PC
4
PC
5
PC
6
PC
7
63
64
65
66
67
68
69
70
A
8
A
9
A
10
A
11
A
12
A
8
A
13
A
14
A
15
PB
0
PB
1
PB
2
PB
3
PB
4
PB
5
PB
6
54
55
56
57
58
59
60
61
P1.0/T2
PB
7
P1.1/T2EX
P1.2/Res
P1.3/IRR
14
P1.4
P1.5
P1.6
P1.7
PD
0
PD
1
PD
2
PD
3
PD
4
PD
5
PD
6
71
72
73
74
75
76
77
78
P3.0/RXD
PD
7
P3.1/TXD
XINT0 RESERVED
P3.3/XINT1
P3.4/T0
P3.5/T1
XWR
XRD
39
41
XCSDATA
XCSCODE
42
43
XPSEN
ALE
DBX
83
Clock-
Interface
Mode Pins
Host
interface
or
I/O-Interface
Profibus-Interface
SSC-Interface
C31 Interface
(Memory, I/Os,..)
Debug
DPC31
GND
GND
GND
GND
GND
GND
GND
VDD
Example here: Intel asynchron with 80C165
12.2 PROFIBUS Interface
12.2.1 Pin Assignment
Data is transmitted in the operating mode RS485 (RS485 physics).
The DPC31 is connected to the galvanically isolated interface driver via the following signals:
Signal Name Input/
Output
Function
RTS Output Request to Send
TXD Output Send Data
RXD Input Receive Data
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