Page 22
Page 23
Figure 5-3: microSD slot connection schematic
VCC-MMC
VCC-MMC
C38
100nF
VCC-MMC
R10
10K
VCC-MMC
R9
10K
CN4
MMC CARD MICRO
SD-CS#
MOSI2-RG8
SCK2-RG6
MISO2-RG7
MISO2-RG7
MISO2-MMC
SD-CD#
R16 27
VCC-3.3
VCC-MMC
FP1
FERRITE
G
CD
CS
+3.3V
SCK
GND
Dout
Din
VCC-MMC
R11
10K
E6
10uF
MOSI2-RG8
SD-CS#
SD-CD#
SCK2-RG6
VCC-3.3
dsPIC33FJ256GP710A PF
U1
MISO2-RG7
R5 27
R4 27
RA12
RA13
RF7
RF6
E9
10uF
Figure 5-2:
Inserting microSD card
Figure 5-1:
microSD card
5. microSD Card Slot
Board contains
microSD card slot
for using microSD
cards in your projects. It enables you to store
large ammounts of data externally, thus saving
microcontroller memory. microSD cards use Serial
Peripheral Interface (
SPI
) for communication with
the microcontroller.