AU6391 Datasheet, PDF (12/22 Pages) List of Unclassifed Manufacturers – USB2.0 to ATA/ATAPI Bridge Controller

Table 3.1 GEL bonding Pin Descriptions
Pin #
Pin Name
I/O
Description
1
GNDU
GND Ground
2
VDD
PWR 1.8V
3
VDDU
PWR Power for UTMI core
4
DM
I/O USB DM
5
DP
I/O USB DP
6
REXT
I Connect pull-low resistor for impedance match
7
VDD33
PWR 3.3V
8
VSS33P
PWR UTMI power GND
9
VSSA
PWR Analog GND
10
XI
I 12 MHz crystal input.
11
XO
O 12 MHz crystal output.
12
VDDA
PWR 1.8V
13
AGND5V
GND Ground
14
AVDD5V
I 5V Power Source
15
VDD3V
O 3.3 V Power Out
16
V18
PWR 1.8 V output for core power
17
VSSHM
GND Ground
18
ATAAD2
O ATA Address bus [2]
19
ATAAD1
O ATA Address bus [1]
20
ATAAD0
O ATA Address bus [0]
21
ATARESETN
O ATA Reset
22
GPI3
I General Purpose Input.
23
CHIPRESETN
I
Reset (low active to reset the whole chip), must be pull
up with RC.
24
GPON7
O General Purpose Output.
25
ATADATA0
I/O ATA Data Bus [0]
AU6391 USB2.0 to ATA/ATAPI Bridge Controller V1.00W
Official Release _ Public
Page 12 of 22