3. Pin Assignment
The AU9525 is delivered in 64pin LQFP form factor. Documented below is a figure
shows signal names of each pin and a table in the following page describes each pin
in more details.
Figure 3.1 AU9525 Pin Assignment Diagram
Alcor Micro
AU9525
64-PIN LQFP
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
AVCC
AVSS
XTAL1
XTAL2
PSWOUTB
PSWOUTA
VCC5V
BVCC
USB_DP
USB_DM
BVSS
ChipRstN
LCD_EN
GPI_0
LCD_RW
GPI_1
LC
D_R
S
SC
L
SDA
LC
D_B
L
LC
D_C
S
1
Ke
y_
Ro
w4
Ke
y_
Ro
w3
Ke
y_
Ro
w2
Ke
y_
Ro
w1
Ke
y_
Ro
w0
P
ort1_
2
P
ort1_
3
P
ort1_
4
P
ort1_
5
P
ort1_
6
P
ort1_
7
Key_Co15
Key_Co14
Key_Co13
Key_Co12
Key_Co11
Key_Co10
LCD_Dat0
LCD_Dat1
VCC
VSS
LCD_Dat2
LCD_Dat3
LCD_Dat4
LCD_Dat5
LCD_Dat6
LCD_Dat7
RX
D
ICC
1
DE
TECT
N
SC
AD1
D
ATA
SC
ARD1Rst
SC
ARD1FC
B
SC
ARD1C6
SC
ARD1C8
ICC
0
DE
CTEN
SC
ARD0DATA
SC
ARD0CLK
SC
ARD0RS
T
SC
ARD0FC
B
SC
ARD0C6
SC
ARD0C8
AU9525 USB Smart Card Reader Controller V1.00W
3
