USB2229-NU-02 Standard Microsystems (SMSC), USB2229-NU-02 Datasheet - Page 16

• Manufacturer Part Number: USB2229-NU-02
• Manufacturer: Standard Microsystems (SMSC)

Specifications of USB2229-NU-02

• Operating Supply Voltage (typ): 1.8/3.3V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 128
• Lead Free Status / RoHS Status: Compliant

Revision 1.4 (09-14-07)
3.3v Analog Power
USB Transceiver
1.8v PLL Power
Write Protected
Analog Ground
USB Bus Data
Card Insertion
SD Command
System CLK
PLL Ground
Analog Test
Reference
Reference
SD Clock
Data3-0
NAME
Bias
MS
MS
SD
SD
SD_DAT[3:0]
VDD18PLL
MS_SCLK
SYMBOL
SD_CMD
SD_nWP
SD_CLK
VDDA33
VSSPLL
MS_INS
USBDM
USBDP
ATEST
RBIAS
VSSA
Table 6.1 USB2229/USB2230 Pin Descriptions
5th Generation Hi-Speed USB Flash Media and IrDA Controller with Integrated Card Power FETs
BUFFER
I/O8PU
I/O8PU
TYPE
IO-U
AIO
IPU
IPD
O8
O8
USB INTERFACE
DATASHEET
I
SD INTERFACE
16
This pin is the card detection signal from the MS device
to indicate, if the device is inserted.
This pin has an internally controlled weak pull-up
resistor.
This pin is an output clock signal to the MS device.
The clock frequency is software configurable.
These are bi-directional data signals.
These pins have internally controlled weak pull-up
resistors.
This is an output clock signal to SD/MMC device.
The clock frequency is software configurable.
This is a bi-directional signal that connects to the CMD
signal of SD/MMC device.
This pin has an internally controlled weak pull-up
resistor.
This pin is an input signal with an internal weak pull-
down.
This pin has an internally controlled weak pull-down
resistor.
These pins connect to the USB bus data signals.
A 12.0kΩ, ± 1.0% resistor is attached from VSSA to this
pin, in order to set the transceiver’s internal bias
currents.
This signal is used for testing the analog section of the
chip and should be connected to VDDA33 for normal
operation.
1.8v Power for the PLL
Ground Reference for 1.8v PLL power
3.3v Analog Power
Analog Ground Reference for 3.3v Analog Power.
DESCRIPTION
SMSC USB2229/USB2230
Datasheet