Spectrum Digital, Inc
3-15
3.2.19 J20, P2 PCI Connector
The P2 connector is a card edge PCI interface. This connector has an “A” and “B” side.
Because of the card seating notches the pin numbers are not contiguous. The “B” side
is the top component side. The I/O direction field is referenced from the PCI slot.
Table 10: P2, PCI Connector, “A” Side
Pin
Signal
I/O
Description
Pin
Signal
I/O
Description
1
TRST-
Not Used
2
+12 Volts
Not Used
3
TMS
Not Used
4
TDI
I/O
Tied to TDO
5
+5 Volts
+5 Volts Power
6
INTA
O
Interrupt Out
7
INTC
O
Interrupt Out
8
+5 Volts
+5 Volts Power
9
Rsvd
Not Used
10
+V I/O
Not Used
11
Rsvd
Not Used
12
Key
Key
13
Key
Key
14
+3.3 Volts
Not Used
15
RST
I
PCI_Resetn
16
+V I/O
O
Not Used
17
GNT-
O
Grant-
18
GND
Ground
19
PME-
20
AD30
I/O/Z
Address/Data 30
21
+3.3 Volts
Not Used
22
AD28
I/O/Z
Address/Data 28
23
AD26
I/O/Z
Address/Data 26
24
GND
25
AD24
I/O/Z
Address/Data 24
26
IDSEL
I
Initialization Device Select
27
+3.3 Volts
Not Used
28
AD22
I/O/Z
Address/Data 22
29
AD20
I/O/Z
Address/Data 20
30
GND
Ground
31
AD18
I/O/Z
Address/Data 18
32
AD16
I/O/Z
Address/Data 16
33
+3.3 Volts
Not Used
34
FRAME-
I
Frame
35
GND
Ground
36
TRDY-
I/O/Z
Target Ready
37
GND
Ground
38
STOP-
I/O/Z
Stop Direction
39
+3.3 Volts
Not Used
40
SDONE
O
Done
41
SBO-
42
GND
Ground
43
PAR
I/O/Z
Parity
44
AD15
I/O/Z
Address/Data 15
45
+3.3 Volts
Not Used
46
AD13
I/O/Z
Address/Data 13
47
AD11
I/O/Z
Address/Data 11
48
GND
Ground
49
AD9
I/O/Z
Address/Data 9
50
Key
Key
51
Key
Key
52
C/BE0
Command/Byte Enable0
53
+3.3 Volts
Not Used
54
AD6
I/O/Z
Address/Data 6
55
AD4
I/O/Z
Address/Data 4
56
GND
Ground
57
AD2
I/O/Z
Address/Data 2
58
AD0
I/O/Z
Address/Data 0
59
+V I/O
Not Used
60
REQ64-
Not Used
61
+5 Volts
+5 Volts Power
62
+5 Volts
+5 Volts Power
Summary of Contents for TMS320DM642
Page 2: ......
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Page 18: ...Spectrum Digital Inc 1 8 TMS320DM642 EVM Technical Reference ...
Page 36: ...Spectrum Digital Inc 2 18 TMS320DM642 EVM Technical Reference ...
Page 59: ...A 1 Appendix A Schematics This appendix contains the schematics for the TMS320DM642 EVM ...
Page 86: ...Spectrum Digital Inc B 2 TMS320DM642 EVM Technical Reference THIS DRAWING IS NOT TO SCALE ...
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Page 88: ...Printed in U S A December 2004 507345 0001 Rev B ...