Page 11 of 22
AU9368 USB Multi-LUN Flash Card Reader Controller V1.19W
Official Release_ Public
Table 5.1 Pin Descriptions
Pin
Pin Name
I/O Type
Description
1
VCCA
PWR
Analog 3.3V input
2
GNDA PWR
Analog
GND
3
XTAL1
I
Crystal Oscillator input (12MHz)
4
XTAL2
O
Crystal Oscillator output (12MHz)
5
SD_VCC
PWR
SD card power
6
XD_VCC PWR SMC/XD
power
7
MS_VCC
PWR
MS card power
8
CF_VCC
PWR
CF card power
9
VCC5V
PWR
VCC 5V power supply from USB
10
VCC3V PWR
VCC
3.3V
11
GNDIO PWR
PAD
GND
12
XDWPN
O
XD write protect
13
USB_DM I/O USB
DM
14
USB_DP I/O USB
DP
15
SMWRN
O
SMC Write Enable
16
SMRDN O
SMC
Read
Enable
17
SMDATA4 I/O SMC
DATA4
18
SMDATA5 I/O SMC
DATA5
19
SMDATA6 I/O SMC
DATA6
20
SMDATA7 I/O SMC
DATA7
21
SMDATA3 I/O SMC
DATA3
22
SMDATA2 I/O SMC
DATA2
23
SMDATA1 I/O SMC
DATA1
24
SMDATA0 I/O SMC
DATA0
25
CFD0
I/O
CF card data0
26
CFD1
I/O
CF card data1
27
CFD2
I/O
CF card data2
28
CFD3
I/O
CF card data3
29
CFD4
I/O
CF card data4
30
CFD5
I/O
CF card data5
31
CFD6
I/O
CF card data6
32
CFD7
I/O
CF card data7
33
CFCDN
I
CF card detect
34
CFWRN
O
CF card IOWR
35
CFWEN
O
CF card WE
36
CFOEN
O
CF card OE
37
CFWTN
I
CF card WAIT
38
CFAD9
O
CF card addr09
39
CFAD3
O
CF card addr03
40
CFAD2
O
CF card addr02
41
CFAD1
O
CF card addr01
42
CFAD0
O
CF card addr00
43
CFRDN
O
CF card IORD
44
XDCEN
O
XD card enable
45
SMCDN
I
SMC card detect
46
SMWPN
I
SMC write protect
47
SMCLE
O
SMC command latch enable
