Information

Texas Instruments Signal Chain Guide 2013 | 107
Interface
Consumer/Computing – USB
Get more information: www.ti.com/product/TUSB1310
Get more information: www.ti.com/product/TSU5511
SuperSpeed USB Transceiver with PIPE3 and ULPI Interfaces
TUSB1310
SP3T Switch with Impedance Detection Micro-USB Switch to Support USB, UART, Audio and Charger
TSU5511
The TUSB1310 is a single-port, 5.0 Gbps USB 3.0 physical layer transceiver operating
off of a single crystal or an external reference clock. The TUSB1310 provides a clock to
USB link layer controllers. The single reference clock allows the TUSB1310 to provide a
cost-effective USB 3.0 solution with few external components and a minimum imple
-
mentation cost.
The TSU5511 is designed to interface cell phone UAR
T, USB and audio chips with
external peripherals via a micro-USB connector. The switch features impedance
detection for identification of various accessories that are attached through DP and
DM of the micro-USB port. When an accessory is plugged into the micro-USB port,
the switch uses a detection mechanism to identify the accessory. It will then switch to
the appr
opriate channel: data, audio or UART.
TSU5511 functional block diagram
Key Features
• SuperSpeedUSB(USB3.0)compliant
One 5.0 Gbps SuperSpeed connection
One 480 Mbps HS/FS/LS connection
• Receiversensitivityoflessthan
50mV differential peak-to-peak is twice
as good as r
equired by the specifica-
tion, allowing for simpler board layout
and longer cable usage to ensur
e
broader compatibility
• Digitalinterface 
PIPE3 for SuperSpeed signal path
ULPI for high-speed, full-speed
and low-speed signal path
Applications
• Surveillancecameras
• High-speeddataacquisitionsystems
Key Features
• Compatibleaccessories
USB data cable
UART cable
Charger (dedicated or host/hub)
Stereo headset with mic
• IntegratedLDOsforV
REF
and mic bias
• USBpathsupportsUSB2.0highspeed
• Audiopathprovidesnegativerail
support and click/pop reduction
•
1.8VcompatibleI
2
C interface
• ESDperformancetestedperJESD22
2000 V human body model
(A114-B, Class II)
1000 V charged-device model (C101)
• ESDperf.DP/D</ID/V
BUS
to GND
±8 kV contact discharge
(IEC 61000-4-2)
±15 kV air gap discharge
(IEC 61000-4-2)
Applications
• Cellulartelephones
TUSB1310 functional block diagram
(8-bit 60MHz)
(16-bit 250MHz)
CLKOUT
ULPI
PIPE
SSTX P/N
DP/DM
SSRX P/N
Crystal
TUSB1310
5.0 Gbps
CPU/FPGA
Link Controller
Micro
USB
INT
SDA
SCL
UART_RX
USB_DM_
USB_DP
AUDIO_L
AUDIO_R
MIC
GND
10 nF
ID
V
BUS
Logic
&I
2
C
Noise Filter Cap
0.6 V
ADC
DP/DM
Comparators
...
ISET
200 kΩ
LDO
2.3, 2.6 V
2.21 kΩ
DM
DP
DSS
680Ω
Switch
Matrix
Supply
Detect
Negative
Rail and
Click/Pop
Free
V
SUPPLY
UART
UART_TX
USB
AUDIO
Processor
= pin on MUIC1
3.5 V
75µA