Miniature Hi-Speed USB Transceiver with 1.8V ULPI Interface
USB332x Pin Locations and Descriptions
Package Diagram with Ball Locations
The illustration below is viewed from the top of the package.
1
A
B
C
D
E
RBIAS
2
REFCLK
3
STP
4
DIR
5
CLKOUT
ID
RESETB
VDD18
DATA[0]
NXT
VBAT
VBUS
GND
DATA[2]
DATA[1]
DM
VDD33
DATA[7]
DATA[4]
DATA[3]
DP
SPK_R
SPK_L
DATA[6]
DATA[5]
TOP VIEW
Figure 2 USB332x Ball Locations - Top View
Ball Definitions
The following table details the ball definitions for the figure above.
Table 1 USB332x Pin Description
DIRECTION/
TYPE
Input,
Analog
ACTIVE
LEVEL
N/A
BALL
B1
NAME
ID
DESCRIPTION
ID
pin of the USB cable. For applications
not using ID this pin can be connected to
VDD33.
For an A-Device
ID
is grounded.
For a B-Device
ID
is floated.
This pin connects to an external resistor
(R
VBUS
) connected to the VBUS pin of
the USB cable. This pin is used for the
VBUS comparator inputs and for VBUS
pulsing during session request protocol.
Regulator input. The regulator supply can
be from 5.5V to 3.1V.
C2
VBUS
I/O,
Analog
N/A
C1
VBAT
Power
N/A
SMSC USB332x
5
Revision 0.3 (02-04-08)
PRODUCT PREVIEW
SMSC [ SMSC CORPORATION ]
