The  μ PD720201 and  μ PD720202 are Renesas’ third generation Universal Serial Bus 3.0 host controllers,
which comply with Universal Serial Bus 3.0 Specification, and Intel’s eXtensible Host Controller Interface
(xHCI). These devices reduce power consumption and offer a smaller package foot-print making them ideal
for designers who wish to add the USB3.0 interface to mobile computing devices such as laptops and
notebook computers.
The  μ PD720201 supports up to four USB3.0 SuperSpeed ports and the  μ PD720202 supports up to two
USB3.0 SuperSpeed ports. The  μ PD720201 and  μ PD720202 use a PCI Express® Gen 2 system interface
bus allowing system designers to easily add up to four ( μ PD720201) or two ( μ PD720202) USB3.0
SuperSpeed ports to systems containing the PCI Express bus interface. When connected to USB 3.0-
compliant peripherals, the  μ PD720201 and  μ PD720202 can transfer information at clock speeds of up to 5
Gbps. The  μ PD720201 and  μ PD720202 and USB3.0 standard are fully compliant and backward compatible
with the previous USB2.0 standard. The new USB3.0 standard supports data transfer speeds of up to ten
times faster than those of the previous-generation USB2.0 standard, enabling quick and efficient transfers of
large amounts of information.
1.1  Features
?  Compliant with Universal Serial Bus 3.0 Specification Revision 1.0, which is released by USB
Implementers Forum, Inc
-  Supports the following speed data rate as follows: Low-speed (1.5 Mbps) / Full-speed (12
Mbps) / High-speed (480 Mbps) / Super-speed (5 Gbps)
-  μ PD720201 supports up to 4 downstream ports for all speeds
-  μ PD720202 supports up to 2 downstream ports for all speeds
-  Supports all USB compliant data transfer types as follows; Control / Bulk / Interrupt /
Isochronous transfer
?  Compliant with Intel’s eXtensible Host Controller Interface (xHCI) Specification Revision 1.0
-  Supports USB debugging capability on all super-speed ports.
?  Supports USB legacy function
?  Compliant with PCI Express Base Specification Revision 2.0
?  Supports ExpressCard
TM Standard Release1.0
?  Supports PCI Express Card Electromechanical Specification Revision 2.0
?  Supports PCI Bus Power Management Interface Specification Revision 1.2
?  Supports USB Battery Charging Specification Revision 1.2
?  Operational registers are direct-mapped to PCI memory space
?  Supports Serial Peripheral Interface (SPI) type ROM for Firmware
?  Supports Firmware Download Interface from system BIOS
?  System clock: 24 MHz crystal
?  Small and low count pin package with improved signal pin assignment for efficient PCB layout
-  μ PD720201 adopts 68pin QFN (8 x 8)
-  μ PD720202 adopts 48pin QFN (7 x 7)
?  3.3 V and 1.05 V power supply

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