1% tol
5% tol
5% tol
A
B
C
D
5
4
3
2
1
D
C
B
A
1
2
3
4
5
Title
Size
Document Number
Rev
Date:
Sheet
of
7
ADS1x9xECG FE
A
USB, Micro SD, USB Interfaces
4
B
Thursday, August 04, 2011
SD
CARD
DNI
1
TP
10
C43
10uF
C63
0.1uF
1
RSV1
2
CS
3
DI
4
VCC
5
CLK
6
VSS
7
DO
8
RSV2
P2
NI
R75
0E
1
TP
36
1
TP
59
SW1
EVQ-21505R
1
IO1
2
IO2
3
IO3
4
IO4
5
IO5
6
IO6
7
IO7
8
IO8
9
GND
U11
NI
1
TP
37
C64
0.1uF
R82 100E
1
NC1
2
NC2
3
NC3
4
NC4
5
NC5
6
R/B2#
7
R/B#
8
RE#
9
CE#
10
CE2#
11
NC6
12
VCC
13
VSS
14
NC7
15
NC8
16
CLE
17
ALE
18
WE#
19
WP#
20
DNU1
21
DNU2
22
DNU3
23
NC9
24
NC10
25
NC11
26
NC12
27
NC13
28
NC14
29
I/O0
30
I/O1
31
I/O2
32
I/O3
33
NC15
34
NC16
35
NC17
36
VSS
37
VCC
38
PRE/VSS2
39
NC18
40
NC19
41
I/O4
42
I/O5
43
I/O6
44
I/O7
45
NC20
46
NC21
47
NC22
48
NC23
U14
MT298G08AAAWP
R93
NI
DNI
R107
1K
1
TP
41
1
TP
58
1
IO1
2
IO2
3
GND
4
IO3
5
IO4
6
VCC
U2
TPD4E004DRYR
C7
10pF
R68
NI
D3
SD103AW-13-F
R67
NI
R102
0E
1
TP
55
R109
0E
R98
0E
R106
0E
R14
1.4K
R12
33E
R101
1K
C52
0.1uF
1
TP
30
1
TP
33
C62
NI
R65
NI
C8
10pF
1
TP
57
R10
1M
1
VBUS
2
D-
3
D+
4
ID
5
GND
6
SHIELD1
7
SHIELD2
8
8
9
9
10
10
11
11
P1
0513870530
C78
NI
1
TP
54
R11
33E
R100
0E
R99
0E
R105
0E
R94 10K
R110
0E
+
C53
4.7uF
VCC_3_3
VCC_3_3
VCC_3_3
FLASH_CE
FLASH_CE2
FLASH_CLE
FLASH_ALE
FLASH_WE
FLASH_RE
FLASH_RB
FLASH_RB2
FLASH_IO0
FLASH_IO1
FLASH_IO2
FLASH_IO3
FLASH_IO4
FLASH_IO5
FLASH_IO6
FLASH_IO7
USD_CS
SPI_SIMO
SPI_SCLK
SPI_SOMI
VBUS
USB_DM
USB_DP
PUR
VUSB