AU6337 Datasheet, PDF (13/25 Pages) List of Unclassifed Manufacturers – USB2.0 SD/MMC/MS Single/Dual LUN Card Reader controller

Pin #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Table 3.2 28SSOP (GBS) Pin Descriptions
Pin Name
GPI0
GND
VDD
REXT
VD33P
DP
DM
VS33P
XI
XO
VDDU
AGND5V
AVDD5V
VDD3V
V18
VDDHM
VSSHM
SDCDN
VDD33C
SD_V33
SDCMD
SDDATA1
SDWP
SDDATA2
CLED
SDDATA3
SDDATA0
SDCLK
I/O
I
I
I
I
I
I/O
I/O
I
I
O
I
I
I
O
O
I
I
I
I
O
I/O
I/O
I
I/O
O
I/O
I/O
O
Description
Reserved.
Always connect to 3.3V on PCB
Core ground
Core 1.8V power input
External Resistor 330 to Ground
UTMI 3.3V power input
USB DP
USB DM
UTMI 3.3V ground
12MHz crystal input
12MHz crystal output
UTMI 1.8V input
5 to 3.3 regulator ground
5 to 3.3 regulator 5V input
5 to 3.3 regulator 3.3V output
3.3 to 1.8 regulator 1.8V output
IO 3.3V power /
3.3 to 1.8 regulator 3.3V input
IO 3.3V ground
SD card detect
Card power switch 3.3V input
Card power switch output
SD command
SD data 1
SD write protect
SD data 2
Card Access LED
SD data 3
SD data 0
SD clock
AU6337 USB 2.0 SD/MMC/MS Single/Dual LUN Flash Memory Card Reader V1.00W
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