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C C
B B
A A
Title
Number RevisionSize
A2
Date: 2009-12-30 Sheet of
File: C:\Documents and Settings\..\TMS320F28234.SchDocDrawn By:
1 2
Y1
30M
1 2
3 4
5 6
7 8
9 10
11 12
13 14
P1
Jtag
10K
R1 R2
10K
C1
22pF
C2
22pF
DGNDDGND
X2
X1
TMS
TDI
TDO
TCK
EM0 EM1
TRST
R3
2.2k
DGND
R4
0
DGND
GND
1
VIN1
2
VIN1
3
NC
4
MR2
5
MR1
6
EN
7
SEQ
8
GND
9
VIN2
10
VIN2
11
GND
12
GND
13
VOUT2
14
VOUT2
15
FB2
16
NC
17
RESET
18
PG1
19
NC
20
FB1
21
VOUT1
22
VOUT1
23
GND
24
U2
TPS70302
DGNDDGND
DGNDDGND
1
2
P2
POWERIN
DGND
5V
5V
5V
5V
DGND
C3
100uF
C4
100uF
R6
17K
R7
30K
DGND
R8
30K
R9
51K
DGND
R10
250K
1V9
3V3
3V3
DGND AGND
L1
FILTER BEAD
L2
FLITER BEAD
3V3 A3V3
5V
DGND
10K
R11
D1
P_5V
3V3 1V9
D2
P_3.3V
D3
P_1.9V
6K
R12
6K
2K
R13
6K
DGND DGND
3V3
R14
2.2K
C7
10uF
DGND
S1
RESTET
RESET
A3V3
AGND
C8
104
C10
104
C11
104
C12
104
C13
104
C14
104
C15
104
C16
104
C17
104
C18
104
C19
104
C20
104
C21
104
1V9
DGND
C30
104
C24
104
C26
104
C27
104
C28
104
C29
104
3V3
DGND
5V
BANK1
TRST
78
TCK
87
TMS
79
TDI
76
TDO
77
EM0
85
EM1
86
XCLKOUT
138
XCLKIN
105
X1
104
X2
102
XRS
80
U1A
TMS320F28234
BANK2
ADCINA7
35
ADCINA6
36
ADCINA5
37
ADCINA4
38
ADCINA3
39
ADCINA2
40
ADCINA1
41
ADCINA0
42
ADCINB0
46
ADCINB1
47
ADCINB2
48
ADCINB3
49
ADCINB4
50
ADCINB5
51
ADCINB6
52
ADCINB7
53
ADCLO
43
ADCRESEXT
57
ADCREFIN
54
ADCREFM
55
ADCREFP
56
U1B
TMS320F28234
GPIO0/EPWM1A
5
GPIO1/EPWM1B
6
GPIO2/EPWM2A
7
GPIO3/EPWM2B
10
GPIO4/EPWM3A
11
GPIO5/EPWM3B
12
GPIO6/EPWM4A
13
GPIO7/EPWM4B
16
GPIO8/EPWM5A
17
GPIO9/EPWM5B
18
GPIO10/EPWM6A
19
GPIO11/EPWM6B
20
GPIO12
21
GPIO13
24
GPIO14
25
GPIO15
26
GPIO16
27
GPIO17
28
GPIO29
2
GPIO30
1
BANK3
U1C
TMS320F28234
GPIO18
62
GPIO19
63
GPIO20
64
GPIO21
65
GPIO22
66
GPIO23
67
GPIO24
68
GPIO25
69
GPIO26
72
GPIO27
73
GPIO32
74
GPIO33
75
GPIO48
88
BANK4
U1D
TMS320F28234
GPIO49
89
GPIO50
90
GPIO51
91
GPIO52
94
GPIO53
95
GPIO54
96
GPIO55
97
GPIO56
98
GPIO57
99
GPIO58
100
GPIO59
110
GPIO60
111
GPIO61
112
GPIO62
113
GPIO63
114
GPIO64
115
GPIO65
116
GPIO66
119
GPIO67
122
GPIO68
123
GPIO69
124
GPIO70
127
GPIO71
128
GPIO72
129
GPIO73
130
GPIO74
131
GPIO75
132
BANK5
U1E
TMS320F28234
GPIO28
141
GPIO31
176
GPIO34
142
GPIO35
148
GPIO36
145
GPIO37
150
GPIO38
137
GPIO39
175
GPIO40
151
GPIO41
152
GPIO42
153
GPIO43
156
GPIO44
157
GPIO45
158
GPIO46
161
GPIO47
162
GPIO76
133
GPIO77
134
GPIO78
135
GPIO79
136
GPIO80
163
GPIO81
164
GPIO82
165
GPIO83
168
GPIO84
169
GPIO85
172
GPIO86
173
GPIO87
174
XRD
149
BANK6
U1F
TMS320F28234
VDD3VFL
84
TEST1
81
TEST2
82
VDDA2
34
VDDAIO
45
VDD1A18
31
VDD2A18
59
VDD
4
VDD
15
VDD
23
VDD
29
VDD
61
VDD
101
VDD
109
VDD
117
VDD
126
VDD
139
VDD
146
VDD
154
VDDIO
9
VDDIO
71
VDDIO
93
VDDIO
107
VDDIO
121
VDDIO
143
VDDIO
159
VDDIO
170
VDD
167
U1G
TMS320F28234
VSS1AGND
32
VSS2AGND
58
VSS
3
VSS
8
VSS
14
VSS
22
VSS
30
VSS
60
VSS
70
VSS
83
VSS
92
VSS
103
VSS
106
VSS
108
VSS
118
VSS
120
VSS
125
VSS
140
VSS
144
VSS
147
VSS
155
VSS
160
VSS
166
VSS
171
VSSAIO
44
VSSA2
33
U1H
TMS320F28234
TRST
TCK
TMS
TDI
TDO
EM0
EM1
X1
X2
RESET
P3SMB
DGND
DGNDDGND
AGND
L3
IRON BEAD
1V9 A1V9
3V3
A3V3
A1V9
1V9
C32
104
C33
104
AGND
A1V9
1
2
3
P4
SCI
DGND
SCITXDB
SCITXDB
SCIRXDB
SCIRXDB
PWM_SINGAL
C22
104
C31
104
5V
DGND
D4
IN4001
5V
AGND AGND
AGNDAGND
NC
1
-IN
2
+IN
3
V-
4
NC
5
OUT
6
V+
7
NC
8
U10
OPA354
R21
3.2K
R22
4.7K
C34
470p
AGND
5V
AGND AGND
AGNDAGND
NC
1
-IN
2
+IN
3
V-
4
NC
5
OUT
6
V+
7
NC
8
U11
OPA354
R23
8K
R24
10K
C36
560p
C37
470p
AGND
1
2
3
P21
SINGAL-OUT
5V
AGND
C35
3300p
PWM_SINGAL
1
2
3
P22
SINGAL_IN
AGND
5V
NC
1
-IN
2
+IN
3
V-
4
NC
5
VOUT
6
V+
7
NC
8
U12
OPA364
5V
AGND AGND
AGNDAGND
R25
600
AGND
ADC_SINGAL
ADC_SINGAL
3V3
3V3
DGND
C38
100u
C39
100u
1V9
DGND
L4
FILTER BEAD
L5
FILTER BEAD
L6
IRON BEAD
5V
AGND
C42
104
C40
104
C41
104
PWM_OUT
5V
AGND AGND
AGNDAGND
NC
1
-IN
2
+IN
3
V-
4
NC
5
OUT
6
V+
7
NC
8
U20
OPA354
R26
3.2K
R27
4.7K
C44
470p
AGND
5V
AGND AGND
AGNDAGND
NC
1
-IN
2
+IN
3
V-
4
NC
5
OUT
6
V+
7
NC
8
U21
OPA354
R28
8K
R29
10K
C46
560p
C47
470p
AGND
C45
3300p
PWM_OUT
R50
50
AGND
C49
104
C48
104
AGND
R51
22K
AGND
C50
2.2uF
C51
2.2uF
AGND
1
2
3
4
5
6
7
8
9
P5
Header 9
AGND
DGND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
P6
Header 10X2A
DGND
GPIO59
GPIO60
GPIO61
GPIO62
GPIO63
GPIO64
GPIO65
GPIO66
GPIO67
GPIO68
GPIO69
GPIO70
GPIO71
GPIO72
GPIO73
GPIO74
GPIO75
GPIO64
GPIO65
GPIO66
GPIO67
GPIO68
GPIO69
GPIO70
GPIO71
GPIO72
GPIO73
GPIO74
GPIO75
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
P7
Header 12X2A
1
2
3
4
5
P8
Header 5
AGND
1
2
3
4
5
6
7
8
9
10
11
P9
Header 11
DGND
1
2
P10
Header 2
1
2
P11
Header 2
AGND
AGND
1
2
P12 Header 2
1
2
3
4
P13
Header 4
AGND