EB-GS2985-S
Evalu
a
tion B
o
ard
User Gu
ide
52246 - 2
July 20
09
20 o
f 25
2. Schematics
2.1 EB-GS2985-S Schematic
Fi
gure
2
-1
: EB
-GS298
5-
S Schema
ti
c
C
7
10n
c
ontrolle
d
75R
S
PI_M
I
S
O
G
ND
J
5
S
MA
G
ND
G
ND
G
ND
DDI0
1
HIF
2
DDI0
3
G
ND
4
DDI1
5
6
DDI1
7
G
ND
8
DDI2
9
10
DDI2
11
G
ND
12
DDI3
13
14
DDI3
15
G
ND
1
6
DDI_
S
EL0
17
DDI_
S
EL1
18
BYPA
SS
19
AUT
OBYPA
SS
20
AU
TO/MA
N
21
V
CC
_V
C
O
22
VEE_V
C
O
23
24
SS
0
25
SS
1
2
6
VDD
_1P8
27
LO
C
KED
28
LO
S
29
VDD
_D
I
G
30
V
SS
_DI
G
31
G
ND
32
VEE_D
D
O
0
48
V
CC
_DDO
0
47
DDO
0
4
6
D
E
0_EN
45
DDO
0
44
G
ND_
D
RV
43
VEE_D
D
O
1
42
V
CC
_DDO
1
41
DDO
1
/R
C
O
40
D
E
1_EN
39
DDO
1
/R
C
O
38
DA
TA
/
C
LO
C
K
37
DA
TA
_M
UT
E
3
6
D
D
O
1_D
I
S
ABLE
35
KBB
34
S
D/
HD
33
6
4
C
P_
C
AP
6
3
LF+
6
2
V
CC
_
C
P
6
1
VEE_
C
P
6
0
N/
C
59
S
DI/EQ0_EN
58
S
DO
/EQ1_EN
57
SC
K/EQ2_EN
5
6
CS
/EQ3_EN
55
54
XTAL-
53
XTAL+
52
XTAL_BU
F_OU
T
51
50
G
ND
49
TAB
U2
GS
2985
R21
1k21R
BYPA
SS
1
3
2
4
J
P4
V
CC
3
V
CC
2
1
3
2
J
P
6
G
ND
R20
332R
AUTO
BY
PA
SS
C
11
10n
G
ND
V
CC
2
R
6
0
0R
G
ND
R4
49k
9
V
CC
2
R5
2
1
k
V
CC
1
V
CC
2
R19
825R
C
13
10n
C
20
10n
Y1
CS
10-27.
0
00MAB
J
V
CC
2
C
3
47n
EQ_
C
M
S
ET
6
15
13
2
12
11
9
14
7
8
5
4
3
1
6
1
10
J
P1
87831-1
6
20
G
ND
R5
1
1
k
C
1
18p
R54
1k
G
ND
c
ontrolle
d
75R
c
ontrolle
d
75R
1
7
J
3B
N
C
V
CC
_T
erm
G
ND
R1
5
7
5
R
R1
6
75R
C
22
10n
L3
3n9
G
ND
C
18
4u7
R2
49k
9
C
2
18p
V
CC
2
C
9
1u
HIF = LOW,
S
PI MODE
R1
4
D
NP
R1
49k
9
R5
5
DNP
HIF = HI
G
H, LE
G
A
C
Y MODE
R5
6
DNP
G
ND
G
ND
C
D EQ
_E
N
R5
221R
S
PI_
SC
K
J
P14
LO
C
KED
c
ontrolle
d
100R
S
PI_
SS
0
S
DI
2
VEE_A
1
VEE_D
12
V
CC
_A
1
6
S
DI
3
G
AI
N
_
S
EL
4
BYPA
SS
7
S
Q_AD
J
8
C
M
S
ET
9
S
DO
10
S
DO
11
C
D
15
MUTE
14
V
CC
_D
13
A
GC
5
A
GC
6
TAB
U1
GS
2984
L1
6
n2
G
ND
R
7
75R
C
5
10n
R1
2
75R
C
14
1u
R1
3
37R
4
V
CC
1
V
CC
1
C6
10n
G
ND
G
ND
d
ifferential
C
10
1u
G
ND
C
21
470n
C
19
470n
C
34
220n
G
ND
G
ND
1
7
J
1B
N
C
V
CC
2
C
30
10n
LO
S
C
D_DI
Sb
G
ND
C
28
4u7
HIF
V
CC
2
G
ND
R2
3
422R
C
31
1u
R3
49k
9
c
ontrolle
d
100R
C
4
220n
G
ND
c
ontrolle
d
100R
pla
c
e
G
ND via next
to test point
d
ifferential
d
ifferential
V
CC
2
1
6
pin
S
PI Hea
d
er (2mm)
C
29
4u7
R2
4
2
6
7R
1
3
2
J
P5
SS
0
G
ND
C
33
10u
R
9
49k
9
1
3
2
4
J
P2
C
23
DNP
SS
1
DDI
1
DDI
2
V
CC
9
EQ_EN
1
6
VEE
3
N
C
8
S
DO
12
S
DO
11
N
C
13
N
C
5
R
S
ET
4
DI
S
ABLE
6
R
S
VD
7
O
S
P
14
S
D/HD
10
N
C
15
TAB
U3
GS
2988
C
27
DNP
R1
8
D
NP
C
15
DNP
G
ND
G
ND
V
CC
_T
erm
G
ND
G
ND
V
CC
3
C
32
10n
V
CC
2
G
ND
R8
75R
R1
0
7
5
R
C
2
6
10n
L2
3n9
J
4
S
MA
C
8
10n
C
1
6
DNP
C
12
4u7
1
7
J
2B
N
C
G
ND
1
J
P3
TP
D
N
P
EQ_
G
AIN
_
S
EL
C
42
DNP
V
CC
2
C
25
10n
V
CC
2
C
43
DNP
G
ND
G
ND
EQ_BYPA
SS
G
ND
G
ND
V
CC
2
G
ND
G
ND
G
ND
R5
3
1
k
G
ND
G
ND
S
PI_M
O
S
I
C
24
10n
R
6
1M
G
ND
EQ_
S
Q_AD
J
S
D/HD
N/
C
N/
C
N/
C
N/
C
N/
C
N/
C
N/
C
S
D/HD
DAT
A_
MUT
E
DAT
A/
C
LO
C
K
DD
O1_DI
S
ABLE
AU
TO/MA
N
HIF
