ISP1508AET NXP Semiconductors, ISP1508AET Datasheet - Page 31

• Manufacturer Part Number: ISP1508AET
• Description: RF Transceiver USB 2.0 ULPI TRNSCVR
• Manufacturer: NXP Semiconductors

Specifications of ISP1508AET

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935283548118 ISP1508AET-T

NXP Semiconductors
Table 17.
DP_PULLDOWN = 0.
[1]
Table 18.
DP_PULLDOWN and DM_PULLDOWN = 1.
[1]
ISP1508A_ISP1508B_1
Product data sheet
Mode
LINESTATE[1:0]
Mode
XCVRSELECT[1:0]
TERMSELECT
OPMODE[1:0]
LINESTATE[1:0]
!squelch indicates inactive squelch. !HS_Differential_Receiver_Output indicates inactive HS_Differential_Receiver_Output.
!squelch indicates inactive squelch. !HS_Differential_Receiver_Output indicates inactive HS_Differential_Receiver_Output.
LINESTATE[1:0] encoding for upstream facing ports: peripheral
LINESTATE[1:0] encoding for downstream facing ports: host
10.2.2.2 V
[1]
00
01
10
11
USB devices must monitor the V
starting a session and SRP. The V
voltage level on V
The SESS_END and SESS_VLD indicators in the V
internal comparators built-in to the ISP1508, and encoded as shown in
Table
Table 19.
The A_VBUS_VLD indicator in the V
configured based on current draw requirements. A_VBUS_VLD can input from one or
more V
A description on how to use and select the V
Section
00
01
10
11
Value
00
01
10
11
BUS
Low-speed
10
1
X
SE0
LS-K
LS-J
SE1
state encoding
19.
BUS
V
V
V
V
V
10.2.2.3.
Full-speed
SE0
FS-J
FS-K
SE1
BUS
BUS
B_SESS_END
A_SESS_VLD
BUS
Encoded V
voltage indicators, as shown in
voltage
< V
V
A_VBUS_VLD
B_SESS_END
Full-speed
01, 11
1
X
SE0
FS-J
FS-K
SE1
[1]
BUS
.
BUS
V
V
Rev. 01 — 14 August 2007
High-speed
squelch
!squelch
invalid
invalid
BUS
BUS
voltage state
< V
< V
A_VBUS_VLD
A_SESS_VLD
High-speed
00
0
00, 01 or 11
squelch
!squelch
invalid
invalid
BUS
BUS
voltage for purposes such as overcurrent detection,
BUS
state field in the RXCMD is an encoding of the
Chirp
squelch
!squelch and HS_Differential_Receiver_Output
!squelch and !HS_Differential_Receiver_Output
invalid
state provides several options and must be
Figure
SESS_END
1
0
X
X
BUS
Chirp
00
0
10
squelch
!squelch and HS_Differential_Receiver_Output
!squelch and !HS_Differential_Receiver_Output
invalid
ISP1508A; ISP1508B
state encoding is given in
11.
…continued
BUS
state are directly taken from
SESS_VLD
0
0
1
X
ULPI HS USB transceiver
© NXP B.V. 2007. All rights reserved.
Table 16
A_VBUS_VLD
0
0
0
1
and
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