AU6989SN-GT USB2.0 Universal Flash Disk Controller V1.00
Table 3.3 AU6989SN-GT-GPL 48-pin Pin Descriptions
Pin #
Pin Name
GND
I/O
Description
1
I
I
I
I
I
I
I
Ground
2
VDD
1.2V input power pin
USB DM
3
DM
4
DP
USB DP
5
REXT
VD33
VS33
VS33
NC
External resistor 330 to ground
3.3V input power pin
Ground
6
7
8
Ground
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
NC
VDD
1.2V input power pin
Ground
AGND5V
AVDD5V
VDD3V
V12
I
I
5V input power pin
3.3V output power pin
1.2V output for Core
1.8V output
O
O
O
O
V18
FMWPN
NC
Flash Write protect pin
VDDH
VSSH
GPO
I
FLASH IO input power pin
Ground
I
O
I/O
LED Blanking when system access
Flash data strobe
DQS
NC
NC
FMENABN3
FMENABN2
FMENABN1
O
O
O
Flash 3 select pin
Flash 2 select pin
Flash 1 select pin
28
29
30
31
32
FMENABN0
FMRBN1
FMRBN2
FMRDN
O
I
Flash 0 select pin
Flash 1 ready pin
Flash 2 ready pin
Flash read signal
Flash write signal
I
O
O
FMWRN
17
ETC [ ETC ]
