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PICtail? Daughter Board for SD? and MMC Cards
Board Schematic
J4
.15in
RE2
RE3
RA7
RA6
RC7
RC6
RB7
RB6
RB5
RB4
RB3
RB2
RB1
RE2
MCLR
OSC1
OSC2
RC7
RC6
RB7
RB6
RB5
RB4
RB3
RB2
RB1
RB0
1
3
5
7
9
11
13
15
17
19
21
23
25
27
2
4
6
8
10
12
14
16
18
20
22
24
26
28
RA5
RA4
RA3
RC5
RC4
RC3
RA0
RA1
RA2
RC0
RC1
RC2
VCC
RA5
RA4
RA3
RC5
RC4
RC3
RA0
RA1
RA2
RC0
RC1
RC2
VPIC (+5V)
+3.3V
CS
SDO
SCK
SDI
12
13
2
1
5
4
9
10
3
U2:A
11
U1:D
3
U1:A
6
U1:B
8
U1:C
2
1
U1 powered
by +3.3V
CS_
SDO_
SCK_
SDI_
+3.3V
CS_
SDO_
+3.3V
SCK_
SDI_
R1
10K
R2 R3 R4 R5
10K 10K 10K 10K
Cut to
measure
current
1
2
3
4
5
6
7
8
R11
180 ê
C3
.01 F
J1A
D1
Activity
J1
1
2
3
4
5
6
7
8
CD
6
5
CD_
9
9
RD1
RD1
1
2
RD0
RD0
U2:B
4
10
RD3
RD5
RD7
RE1
RD3
RD5
RD7
RE1
3
5
7
9
4
6
8
10
RD2
RD4
RD6
RE0
RD2
RD4
RD6
RE0
WD
8
U2:C
11
9
10
12
WD_
U2 powered
by VCC
CD_
WD_
10
11
12
11
12
11
12
VCC
VPIC (+5V)
U2:D
13
VCC
J10
PIC18-EXP RC3
SCK
FS-USB RB1
1
2
3
JP1
CD
RB4
1
2
3
JP4
NC
RB2/RG9
RF6/RG6
RF7/RG7
RF8/RG8
RB0/RB8
Bottom
SCK
SDI
SDO
1
3
5
7
9
11
J2
2
4
6
8
10
12
Top
CS
RF2/RF4
RF3/RF5
RG2/RA2
RG3/RA3
RB1/RB9
JP7
1
2
3
RA5
VCC
1
2
3
U3
PGOOD SELECT
V OUT SHDN
V IN C+
8
7
6
C5
10 F
+3.3V
R12
180 ê
D2
PIC18-EXP RC4
SDI
FS-USB RB0
1
2
3
JP2
WD
RA4
1
2
3
JP5
NC
RB3/RA9
RE9/RA15
RD14/RF12
+3.3V
VCC
13
15
17
19
21
14
16
18
20
22
VCC
RB4/RA10
RE8/RA14
RD15/RF13
+3.3V
R9
10K
C2
10 F
4
GND
MCP1253
C-
5
C4
1 F
PIC18-EXP RC5
SDO
FS-USB RC7
1
2
3
JP3
CS
RB3
1
2
3
JP6
NC
+5V
+9V
RG0/NC
RG1/NC
23
25
27
29
24
26
28
30
CD
WD
+5V
+9V
RF0/RG0
RF1/RG1
Card edge connector
DS51583B
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