ISP1505ABS NXP Semiconductors, ISP1505ABS Datasheet - Page 26

• Manufacturer Part Number: ISP1505ABS
• Description: RF Transceiver USB2.0/ULPI1.1 XCVR
• Manufacturer: NXP Semiconductors

Specifications of ISP1505ABS

• Number Of Receivers: 5
• Number Of Transmitters: 4
• Operating Supply Voltage: 3 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: HVQFN-24
• Maximum Data Rate: 480 Mbps
• Maximum Supply Current: 0.001 mA, 48 mA
• Minimum Operating Temperature: - 40 C
• Protocol Supported: USB 2.0
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ISP1505ABS,557

NXP Semiconductors
ISP1505A_ISP1505C_3
Product data sheet
Fig 7.
USE_EXT_VBUS_IND,
RXCMD A_VBUS_VLD indicator source
IND_PASSTHRU
9.5.2.3 Using and selecting the V
IND_COMPL
V
BUS
/FAULT
The V
link whenever there is a change in the V
must first enable the corresponding interrupts in the USB Interrupt Enable Rising Edge
and USB Interrupt Enable Falling Edge registers.
The link can use the V
shows the recommended usage for typical applications.
Table 13.
Standard USB host controllers:
500 mA on V
detect overcurrent conditions. If the external overcurrent detector provides a digital fault
signal, then the fault signal must be connected to the ISP1505 FAULT input pin, and the
link must do the following:
Standard USB peripheral controllers:
when V
start and end of USB peripheral operations. Detection of A_VBUS_VLD and SESS_END
thresholds is not needed for standard peripherals.
Application
Standard host
Standard peripheral
OTG A-device
OTG B-device
1. Set the IND_COMPL bit in the Interface Control register to logic 0 or logic 1,
2. Set the IND_PASSTHRU bit in the Interface Control register to logic 1.
3. Set the USE_EXT_VBUS_IND bit in the OTG Control register to logic 1.
depending on the polarity of the external fault signal.
BUS
BUS
state encoding is shown in
V
A_VBUS_VLD comparator
is at a sufficient level for operation. SESS_VLD must be enabled to detect the
BUS
BUS
(V
indicators in RXCMD required for typical applications
BUS
in the range of 4.75 V to 5.25 V. An external circuit must be used to
< 4.4 V)
Rev. 03 — 26 August 2008
BUS
internal A_VBUS_VLD
state to monitor V
BUS
A_VBUS_VLD
yes
no
yes
no
state encoding
For standard hosts, the system must be able to provide
Table
BUS
Standard peripherals must be able to detect
ULPI HS USB host and peripheral transceiver
complement output
9. The ISP1505 will send an RXCMD to the
state. To receive V
BUS
ISP1505A; ISP1505C
SESS_VLD
no
yes
yes
yes
and take appropriate action.
(0, X)
(1, 1)
BUS
state updates, the link
SESS_END
no
no
no
yes
© NXP B.V. 2008. All rights reserved.
RXCMD
A_VBUS_VLD
004aaa752
Table 13
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