AU6331 Datasheet, PDF (10/23 Pages) List of Unclassifed Manufacturers – USB2.0 SD/MMC/MS Single/Dual LUN Card Reader Controller

Table 3.1 48 Pin Descriptions
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
29
30
31
32
Pin Name
SDDATA0
SDWP
SDCDN
SDCLK
SDCMD
RFU2
CLED0
RPU
AVDD
DP
DM
AVSS
RREF
PVDD
XI
XO
PVSS
VDD25D
VDDH
VSSH
VDDH
MS_V33
SD_V33
MSDATA3
EEPCLK
EEPDATA
MSDATA2
MSDATA1
MSDATA0
MSCLK
MSBS
MSINS
I/O
I/O
I
I
O
I/O
I
O
I
P
I/O
I/O
P
I
P
I
O
P
P
P
P
P
P
P
I/O
O
I/O
I/O
I/O
I/O
O
O
I
Description
SD data0
SD write protect; pull up with res.
SD card Detect ("1": unDetected[Default];"0":Detected)
SD CLK
SD CMD; pull up with res.
Always pull low
LED on for card exists for Full/High Speed
Pull up with 1.5K res. To 3.3V VDD
3.3V analog power
DP
DM
Analog Ground
Pull down with 1K Res. To AVSS
OSC power 3.3V
12MHz Oscillator input
12MHz Oscillator output
OSC ground
2.5V output for core power
IO power 3.3V
IO ground
IO power 3.3V
MS card power
SD card power
MS data3
EEPROM CLK
EEPROM Data
MS data2
MS Data1
MS Data0
MS CLK
MS BS
MS card Detect ("1": unDetected[Default];"0":Detected)
AU6331 USB 2.0 SD/MMC/MS Single/Dual LUN Flash Memory Card Reader V1.02W
Official release _ Public
Page 10 of 23