Datasheet

PICtail™ Daughter Board for SD™ and MMC Cards
Board Schematic
PICtail™ Daughter Board
RB1
RB2
RB4
RB5
RB7
RC6
RA6
RA7
RE2
.15in
SDO
PIC18-EXP
RC5
FS-USB
RB0
PIC18-EXP
RC4
FS-USB
RB1
SCK
RE1
RE1
RD7
RD7
RD3
RD3
RD1
RD1
RB1
RB2
RB4
RB5
RB7
RC6
OSC2
OSC1
RE2
RE0
RD6
RD2
RD0
VCC
RC2
RC0
RA2
RA0
RC3
RC5
RA3
RA5
NC
NC
RG1/NC
+9V
+5V
RD14/RF12
RE9/RA15
RB3/RA9
RB0/RB8
RF8/RG8
RF7/RG7
RB2/RG9
SDI
WD
SDI
SCK
SDO
WD
+9V
+5V
CS
Top
WD_
SDI_
SCK_
SDO_
CD_
SDI_
SCK_
SDO_
CS_
VCC
Activity
RB3
RB6
RC7
RE3
FS-USB
RC7
SDI
PIC18-EXP
RC3
RD5 RD5
RB3
RB0
RC7
RB6
MCLR
VCC
RD4
RC1
RC4
RA1
RA4
1
2
3
JP6
NC
+3.3V
RG0/NC
RF6/RG6
VCC
CD
+3.3V
CS
+3.3V
CD
VCC
VCC
CD_
U1 powered
by +3.3V
CS_
1
2
3
JP7
RA5
WD_
+3.3V
C2
10 MF
Cut to
measure
current
1 MF
C4
D2
40 - 44 pins
8 - 14 - 18 - 20 - 28 pins
1
2
3
JP4
1
2
3
JP5
+3.3V
R3
10K
R2
10K
C3
.01 MF
180 ê
R12
CS
RA4
RB4
CD
RE0
RD6
RD2
RD0
VPIC (+5V)
RC2
RC0
RA2
RA0
RC3
RC5
RA3
RA5
Card edge connector
RF1/RG1
RD15/RF13
RE8/RA14
RB4/RA10
RB1/RB9
RG3/RA3
SDO
RG2/RA2
RF2/RF4
Bottom
1
2
3
JP3
RB3
WD
RD4
VPIC (+5V)
RC1
RA1
RC4
RA4
RF0/RG0
RF3/RF5
SCK
11 12
13
U2:D
10
8
9
U2:C
U2 powered
by VCC
1
2
3
U2:A
4
5 6
U1:B
10
89
U1:C
1112
13
U1:D
R9
10K
180 ê
R11
+3.3V
1
2
3
JP1
1
2
3
JP2
5 6
7
8
9 10
11 12
13
14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
1 2
3 4
J4
29
23
17
11
5
27
21
25
19
15
9
13
7
3
1
30
24
18
12
6
28
22
26
20
16
10
14
8
4
2
J2
4
5
6
U2:B
1
2 3
U1:A
C5
10 MF
2
V
OUT
7
SHDN
3
V
IN
4
GND
5
C-
6
C+
1
PGOOD
8
SELECT
U3
MCP1253
R1
10K
R4
10K
R5
10K
D1
1 2
3
5
7
4
6
8
11
12
9 10
J10
1
2
3
4
5
6
7
8
9
12
11
10
J1A
12
9
6
3
8
7
10
11
1
2
4
5
J1
DS51583B