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UPD720101 Datasheet(PDF) 3 Page - NEC

Part No. UPD720101
Description  USB2.0 HOST CONTROLLER
Download  36 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

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Data Sheet S16265EJ4V0DS
3
µPD720101
PCI Bus Interface
: handles 32-bit 33 MHz PCI bus master and target function which comply with PCI
specification release 2.2. The number of enabled ports is set by bit in configuration
space.
Arbiter
: arbitrates among two OHCI host controller cores and one EHCI host controller core.
OHCI Host Controller #1
: handles full- (12 Mbps)/low-speed (1.5 Mbps) signaling at port 1, 3, and 5.
OHCI Host Controller #2
: handles full- (12 Mbps)/low-speed (1.5 Mbps) signaling at port 2 and 4.
EHCI Host Controller
: handles high- (480 Mbps) signaling at port 1, 2, 3, 4, and 5.
Root Hub
: handles USB hub function in host controller and controls connection (routing) between
host controller core and port.
PHY
: consists of high-speed transceiver, full-/low-speed transceiver, serializer, deserializer,
etc.
INTA0
: is the PCI interrupt signal for OHCI Host Controller #1.
INTB0
: is the PCI interrupt signal for OHCI Host Controller #2.
INTC0
: is the PCI interrupt signal for EHCI Host Controller.
SMI0
: is the interrupt signal which is specified by Open Host Controller Interface Specification
for USB Rev 1.0a and Enhanced Host Controller Interface Specification Rev 1.0. The
SMI signal of each OHCI Host Controller and EHCI Host Controller appears at this
signal.
PME0
: is the interrupt signal which is specified by PCI-Bus Power Management Interface
Specification release 1.1. Wakeup signal of each host controller core appears at this
signal.
COMPARISON WITH THE
µPD720100A
µPD720100A
µPD720101 (2nd generation)
EHCI revision
0.95
1.0
EHCI
1
1
OHCI
2
2
Legacy support
Parallel IRQ out support
No parallel IRQ support
Clock
48 MHz OSC or 30 MHz OSC/X’tal
48 MHz OSC or 30 MHz X’tal
Package
176-pin BGA (FP) or 160-pin LQFP
144-pin BGA (FP) or 144-pin LQFP


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