ISP1506ABS-T ST-Ericsson Inc, ISP1506ABS-T Datasheet - Page 27

• Manufacturer Part Number: ISP1506ABS-T
• Description: IC USB TXRX HS 24-HVQFN
• Manufacturer: ST-Ericsson Inc
• Type: Transceiverr

Specifications of ISP1506ABS-T

• Number Of Drivers/receivers: 1/1
• Protocol: USB 2.0
• Voltage - Supply: 1.65 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 24-VQFN Exposed Pad, 24-HVQFN, 24-SQFN, 24-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

NXP Semiconductors
ISP1506A_ISP1506B_1
Product data sheet
Fig 9. RXCMD A_VBUS_VLD indicator source
USE_EXT_VBUS_IND,
IND_PASSTHRU
IND_COMPL
V
BUS
/FAULT
Using and selecting the V
Table
V
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 14.
Standard USB Host Controllers: For standard hosts, the system must be able to provide
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 ISP1506 FAULT input pin, and the
link must do the following:
Standard USB Peripheral Controllers: Standard peripherals must be able to detect
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 no
OTG A-device
OTG B-device
1. If the external overcurrent circuit has an active LOW fault or overcurrent indicator, set
2. Set the USE_EXT_VBUS_IND bit in the OTG Control register to logic 1.
3. Set the IND_PASSTHRU bit in the Interface Control register to logic 1 (mandatory).
BUS
the IND_COMPL bit in the Interface Control register to logic 1.
state. To receive V
10. The ISP1506 will send an RXCMD to the link whenever there is a change in the
BUS
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)
A_VBUS_VLD
yes
yes
no
BUS
Rev. 01 — 30 May 2007
BUS
internal A_VBUS_VLD
state to monitor V
BUS
state updates, the link must first enable corresponding
state encoding:
SESS_VLD
no
yes
yes
yes
complement output
BUS
ISP1506A; ISP1506B
and take appropriate action.
The V
BUS
ULPI HS USB OTG transceiver
state encoding is shown in
SESS_END
no
no
no
yes
(0, X)
(1, 1)
© NXP B.V. 2007. All rights reserved.
RXCMD
A_VBUS_VLD
004aaa752
Table 14
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