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SAM4S ER-280 SERIES
10-7
XRDN
XCSN
D[7:0]
A[3:1]
D[7:0]
A0
A[3:1]
H
H
A
B
C
6
of
Rev
1.3
4
3
2
1
A0
XCSN
A
B
C
T6
XWRLN
L
L
SD_XIN
SD_XOUT
SD_RESET
SD_INT
_WR
_RD
CS_SDCARD
(0x180000)
D(0)
D(1)
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)
A(0)
A(1)
A(2)
A(3)
SD_XOUT
SD_XIN
SDVOLT_ONOFF
SD_/WP
SD_DAT0
SD_DAT2
SD_DAT3
VDD50V
Size
ER280 MAIN.SCH
ER-280
TITLE :
DD
11
Sheet
2
SDVDD
0: TYPE1
1: TYPE2
22pF
C67
SDVDD
22pF
C66
SDVDD
C63
100nF
VDD33V
R114
10K
SD_CLK
SD_DAT1
SD_/CD
SD_CMD
R115
470
VSDCARD
R125
10K
R130
10K
R124
10K
R128
10K
A3
Date
VDD33V
VSDCARD
R123
10K
2007.02.28
DD
SDVDD
K.Y CHOI
Drawn by
4
3
1
R119
10K
VDD33V
100uF
CE8
16V
R113
120
3.3V
ZD4
[CPU 8BIT DATA BUS READ ACCESS TYPE1]
SDVOLT_ONOFF
SD_/WP
SD_/CD
SD_DAT1
SD_DAT0
SD_CMD
SD_CLK
SD_DAT3
SD_DAT2
File Name
(SOT-223)
[CPU 8BIT DATA BUS WRITE ACCESS TYPE1]
R112
10K
SD CARD BLOCK (VDD 3.3V)
2
3
1
MMBT2222A
Q17
4.7K
R117
NO POP
R116
10K
SDVDD
C62
100nF
SD CARD BLOCK
200
R110
C70
100nF
4
3
IN
1
ADJ
2
OUT
LD1117
U26
BAT43WS
D25
10K
R127
R129
10K
14.7456MHZ
X3
C64
100nF
VSDCARD
13
VSS
12
VSS
9
DAT2
1
CD/DAT3
2
CMD
3
VSS
4
VDD
5
CLK
6
VSS
7
DAT0
8
DAT1
10
/WP
11
/CD
SD
CA
RD
SD SOCKET
CN14
Shin Heung Precision Co., Ltd.
2
3
1
KSA1182-Y
Q18
18
VS
S
6
VS
S
19
VD
D
42
VS
S
13
XTI
14
XTO
39
XTYP2
11
XINTN
30
XDAKN/XASN
34
XWRLN/XBE1
33
XWRHN/XBE0
35
XCSN
8
D2
9
D1
4
D5
5
D4
1
D8
2
D7
46
D11
47
D10
41
D14
44
D13
38
A1
36
A3
26
GPIO1
25
GPIO2
22
DAT1
17
CMD
20
CLK
15
DAT2
31
VS
S
28
HCKI
12
RSTN
10
D0
7
D3
29
XDRQN/XRDYN
32
XRDN/XRWN
3
D6
48
D9
45
D12
40
D15/A0
43
VD
D
37
A2
23
WP/GPIO4
21
DAT/DAT0
27
CD/GPIO0
24
PWEN/GPIO3
16
CD/DAT3
W86L388D
U27
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