AU6475 USB2.0 Multi-LUN Flash Memory Card Reader V1.01W
4
Table 3.1 AU6475 Pin Descriptions
Pin #
Pin Name
I/O
Description
1
CFDATA13
I/O
CF Data13
2
CFDATA5
I/O
CF Data5
3
CFDATA12
I/O
CF Data12
4
CFDATA4
I/O
CF Data4
5
CFDATA11
I/O
CF Data11
6
CFDATA3
I/O
CF Data3
7
CFCDN
I
CF Card Detect
8
CFDATA10
I/O
CF Data10
9
CFDATA9
I/O
CF Data9
10
CFDATA2
I/O
CF Data2
11
CFDATA8
I/O
CF Data8
12
CFDATA1
I/O
CF Data1
13
CFDATA0
I/O
CF Data0
14
REXT
I/O
External Resistor 330 to Ground
15
VD33P
PWR
3.3V Power Source for UTMI
16
DP
I/O
DP
17
DM
I/O
DM
18
VS33P
GND
Power Ground
19
XI
I
12MHz Crystal Input
20
XO
O
12MHz Crystal Output
21
VDDU
PWR
1.8V Power Source for UTMI
22
CLED
O
Card access LED.
No card : '1'
Any card inserted :'0'
Any card access : toggle between '1' & '0'
23
XDCISN
I
Disable xD CIS checking'0' for enable xD CIS
checking.'1' for disable xD CIS checking.[Default] '0'
24
DEVCV
I
USB current value.("1":high power to pass USB-IF;
"0":low power for bus-power hub compatibility)
25
MSBS
O
MS BS
26
MSDATA1
I/O
MS Data1
27
VDDHM
PWR
IO Power 3.3V In
28
VSSHM
GND
3.3V ground for IO pad
29
VDD
PWR
Core Power for 1.8V In
30
V33
PWR
Band-gap 3.3V out
31
AVDD5V
PWR
5V power from Vbus
32
CF_V33
PWR
CF power 3.3V out
33
SD0WP
I
SD0 Write Protect