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5
D
PORT_IDENT
P2
1
14
2
15
3
16
4
17
5
18
6
19
7
20
8
C
21
9
22
10
23
11
24
12
25
13
DB25M
DSP /RESET
+3.3V
B
R7
5.1K
P_RESET
R8
10K
A
5
Figure A-12. Parallel JTAG Host/Target Interface and JTAG Connector
4
Parallel JTAG Interface
2
4
PORT_RESET
6
8
PORT_TMS
11
PORT_TCK
13
5
PORT_TDI
3
/PORT_TRST
R63
20
5.1K
10
PORT_VCC
C3
R3
PORT_TDO
0.1uF
51
R4
PORT_CONNECT
51
+3.3V
Host Target Interface
JG8
Power Source
R5
5.1K
/RESET
Q1
2N2222/TO
4
3
U6
18
2
1A1
1Y1
16
4
1A2
1Y2
14
6
1A3
1Y3
12
8
1A4
1Y4
9
11
2A1
2Y1
7
13
2A2
2Y2
1
TP46
15
5
2Y3
2A3
17
3
2Y4
2A4
+3.3V
JG2
1
20
VCC
1G
R64
19
1
GND
2G
2
5.1K
19
1
MC74HC244DW
R62
R65
5.1K
5.1K
On-Board
R2
5.1K
Host Target
Interface
Disable
On-Board
DSP /JTAG-RESET
+3.3V
R6
/TRST
5.1K
R60
TDO
5.1K
Title
P A R A L L E L J T A G H O S T T A R G E T I N T E R F A C E AND JTAG CONNECTOR
D o c u ment
Size
N u mber
B
D a t e :
Monday, June 22, 1998
3
2
U7
18
P_RESET
1A1
1Y1
TMS
16
1A2
1Y2
14
TCK
1A3
1Y3
TDI
12
1A4
1Y4
9
/TRST
2A1
2Y1
7
2A2
2Y2
1
TP47
15
TDO
2Y3
2A3
17
2Y4
2A4
+3.3V
VCC
10
1G
GND
2G
MC74HC244DW
JTAG Connector
J1
TDI
1
2
TDO
3
4
TCK
5
6
KEY
7
8
/RESET
9
10
TMS
+3.3V
11
12
13
14
Wireless Subscriber Division
6 5 0 1 William Cannon Drive West
Austin, TX, 78735-8598
( 5 1 2 ) 8 9 5 - 3 2 3 0
F A X : ( 5 1 2 ) 8 9 5 - 4 5 5 6
D S P 5 6 8 0 3 EVM.DSN
D e s i g n er:
Development Tools
S h e e t
2
1
D
C
B
/TRST
A
MD:OE314
R e v.
1 . 3
1 2
of
14
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