User`s manual
4-20 Universal Command Converter Motorola
Command Converter Card Schematics
Figure 4-11. Command Converter JTAG/OnCE Interface (2 of 5)
A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
VOLTAGE SELECT
1-2 +5V
2-3 TARGET VOLTAGE
JTAG/OnCE Interface
KEY
Note: J2 pin 8 pad (KEY Pin)
is not present on board.
C
BE
2N3904
COMMAND CONVERTER JTAG/OnCE INTERFACE
B
UCC7.DSN
Thursday, November 19, 1998 DSP TOOLS 52
1.3
Wireless Subscriber Division
6501 William Cannon Drive West
Austin, TX, 78735-8598
(512)891-6513 FAX: (512)891-7260 MD:OE314
Title
Size
Document
Number
Date: Designer:
Rev.
Sheet of
ORESET\
TDO/DSO
PC6
PC5
PB13
PB14
PC8
TDI/DSI
DR\
TMS0
TMS1
TCK/DSCK
TDO/DSO
TRST1\
DE\
ORESET\
TDI/DSI
TDO/DSO
TCK/DSCK
DR\
ORESET\
TVCC
TMS1
TMS0
PC6_BUFF1
PC6_BUFF1
PC6_BUFF6
PC6_BUFF2
PC6_BUFF3
PC6_BUFF4
PC6_BUFF5
PC6_BUFF2
PC6_BUFF3
PC6_BUFF4
PC6_BUFF5
TRST\
PC6_BUFF6
PC6_BUFF7
PC6_BUFF8
PC6_BUFF7
PC6_BUFF8
PC4
PC5
PB13
PB14
DE\
PC7
PC6
RBRACESEL
RADMGROUP PC0
PC2
PC8
TRST1\
+5v
VCC_TBUF
+5V
VCC_TBUF
VCC_TBUF
VCC
+5V
Q2
2N3904
R37
1.8K
R38
10K
JG1
1
2
3
R45
10K
R42
100
R41
10K
R44
10K
R47
10K
R31 51
R32 51
R34 51
R35 51
R36 51
R39
10K
R40
10K
R43
1K
R46
1K
J2
12
34
56
78
910
1112
1314
U8
74HC244
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
R33
330
U7
74AC244
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
VCC
20
GND
10