DAT2
1
CS
2
DI
3
VDD
4
CLK
5
VSS
6
DO
7
IRQ/DAT1
8
C
D
9
C
D
1
0
G
N
D
1
1
G
N
D
1
2
microSD
3V3
CD
DI
DO
CLK
nCS
DAT1
DAT2
VCC
DI
CLK
nCS
3V3
3V3
MISO
6
1
5
2
U5A
4
3
U5B
4
2
5
3
1
U6
Q5
10k
R18
nCS_IN
470
R28
MOSI
SCK
100k
R31
100k
R32
VCC
VCC
DO
100k
R33
3V3
CD
DAT1
DAT2
nCS_IN
1
2
4
3
5
A-Star 32U4 Prime LV
©
2019 Pololu Corporation
www.pololu.com
Schematic diagram
microSD hardware
Page 6 of 6
(microSD version only)
R