DSB75 Development Support Board Rev. B1 Hardware Description
Confidential / Released
DSB75_hd_v12
Page 90 of 96
2008-08-26
sh
ee
t3
S
CHE
MA
TI
C
T
O
P
H
IER
A
R
C
H
Y
LE
VEL
DS
B
75
1:
1
06
.07
.2
004
B1
GN
D
C30
5
100
P
GN
D
33P
C303
NB_
GN
D
GN
D
C30
4
220
N
0R
R
303
33P
C30
2
NB_
11
S
301
1
2
3
0R
R
302
X
301
C
C
M
05-5
770
10
12
13
14
15
1
2
3
4
5
6
7
8
9
GND
1
2
3
S
306
1
2
3
S
302
1
2
3
S
304
C
B
A
VD
D
S
300
1
2
3
DA
TE
US
E
R
AP
P
R
'D
Si
em
en
s AG
E
D
C
A
1
2
3
12
34
5
6
7
8
9
1
0
1
2
3
S
307
S
303
1
2
3
S
305
VD
D
RX
D1
RT
S
1
CT
S
1
TX
D
1_I
R
T
S
1_I
SD
_
W
P
SD
_D
1_
I
SD
_D
2_
I
S
D
_
C
LK
_I
SD
_
C
M
D
_I
SD
_D
3_
I
SD
_D
0_
I
TX
D
1
SP
I2
_
C
S
SP
I2
_
D
I
SP
I2
_
S
C
LK
SP
I2
_
D
O
SD
_
D
ET
SD
_W
P
RX
D1
_I
C
T
S
1_I
R
300
47K
NB
_ =
not
m
ou
nt
e
d
Figure 53: Schematic sheet 3 – SD card reader