ISP1506ABS,557 NXP Semiconductors, ISP1506ABS,557 Datasheet - Page 43

• Manufacturer Part Number: ISP1506ABS,557
• Manufacturer: NXP Semiconductors

Specifications of ISP1506ABS,557

• Number Of Transceivers: 1
• Esd Protection: YeskV
• Power Supply Requirement: Single
• Operating Supply Voltage (typ): 3.3V
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Mounting: Surface Mount
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Lead Free Status / RoHS Status: Compliant

NXP Semiconductors
ISP1506A_ISP1506B_2
Product data sheet
9.12.1 OTG charge pump
9.12.2 OTG comparators
9.12.3 Pull-up and pull-down resistors
9.12.4 ID detection
9.12.5 V
9.13 Serial mode
A description of the charge pump is given in
configured as an A-device, it can provide the V
Control of the charge pump is described in
The ISP1506 provides comparators that conform to
USB 2.0 Specification Rev. 1.3”
and V
V
are communicated to the link by RXCMDs as described in
comparators is described in
The USB resistors on DP and DM can be used to initiate data-line pulsing SRP. The link
must set the required bus state using mode settings in
The ISP1506 provides an internal pull-up resistor to sense the value of the ID pin. The
pull-up resistor must first be enabled by setting the ID_PULLUP register bit to logic 1. If
the value on ID has changed, the ISP1506 will send an RXCMD or interrupt to the link by
time t
not changed.
A pull-up resistor, R
allowed to charge V
the V
A pull-down resistor, R
whenever the A-device turns off the V
resistor to ensure V
For details, refer to
The ISP1506 supports 3-pin serial mode, controlled by bit 3PIN_FSLS_SERIAL of the
Interface Control register. For details, refer to
Specification Rev.
Figure 20
B_SESS_VLD
BUS
BUS
ID
B_SESS_END
charge and discharge resistors
. If the link does not receive any RXCMD or interrupt by t
power.
provides an example of 3-pin serial mode.
. Comparators are described in
. In this data sheet, V
1.1”, Section 3.10.
Ref. 2 “On-The-Go Supplement to the USB 2.0 Specification Rev.
BUS
UP(VBUS)
BUS
Rev. 02 — 28 August 2008
DN(VBUS)
is below V
above the session valid threshold to request the host to turn on
, is provided to perform V
Section 10.1.5
, is provided for a B-device to discharge V
requirements of V
B_SESS_END
BUS
A_SESS_VLD
power. The B-device can use the pull-down
Section 9.4.1
to
Section
Section
ISP1506A; ISP1506B
Ref. 3 “UTMI+ Low Pin Interface (ULPI)
before starting a session.
Section
BUS
and V
A_VBUS_VLD
power by turning on the charge pump.
Ref. 2 “On-The-Go Supplement to the
7.6.2. Changes in comparator values
7.6.4. When the controller is
BUS
10.1.8.
Table
B_SESS_VLD
ULPI HS USB OTG transceiver
and
pulsing SRP. A B-device is
Section
7.
, V
Section
A_SESS_VLD
ID
, then the ID value has
9.5.2.2. Control over
are combined into
10.1.4.
© NXP B.V. 2008. All rights reserved.
BUS
, V
. This is done
B_SESS_VLD
42 of 79
1.3”.