ISP1705AETTM STEricsson, ISP1705AETTM Datasheet - Page 34

• Manufacturer Part Number: ISP1705AETTM
• Manufacturer: STEricsson

Specifications of ISP1705AETTM

• Lead Free Status / RoHS Status: Compliant

ISP1705_2
Product data sheet
10.3.2 V
Table 18.
DP_PULLDOWN = 0.
[1]
Table 19.
DP_PULLDOWN and DM_PULLDOWN = 1.
[1]
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 ISP1705, and encoded as shown in
Table
Table 20.
Mode
XCVRSELECT[1:0]
TERMSELECT
LINESTATE[1:0]
Mode
XCVRSELECT[1:0]
TERMSELECT
OPMODE[1:0]
LINESTATE[1:0]
Value
00
01
10
11
BUS
!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.
20.
state encoding
V
V
V
V
V
BUS
BUS
B_SESS_END
A_SESS_VLD
BUS
LINESTATE[1:0] encoding for upstream facing ports: peripheral
LINESTATE[1:0] encoding for downstream facing ports: host
Encoded V
< V
voltage
V
A_VBUS_VLD
B_SESS_END
BUS
[1]
Value
00
01
10
11
Value
00
01
10
11
.
BUS
V
V
Rev. 02 — 21 January 2009
BUS
BUS
voltage state
< V
< V
Low
speed
10
1
X
SE0
LS-K
LS-J
SE1
Full speed
01, 11
1
SE0
FS-J
FS-K
SE1
A_VBUS_VLD
A_SESS_VLD
BUS
BUS
Full
speed
01, 11
1
X
SE0
FS-J
FS-K
SE1
voltage for purposes such as overcurrent detection,
state field in the RXCMD is an encoding of the
[1]
High speed
00
0
squelch
!squelch
invalid
invalid
High speed
00
0
00, 01 or 11
squelch
!squelch
invalid
invalid
SESS_END
1
0
X
X
BUS
ULPI Hi-Speed USB transceiver
state are directly taken from the
Chirp
00
1
squelch
!squelch and
HS_Differential_Receiver_Output
!squelch and
!HS_Differential_Receiver_Output
invalid
Chirp
00
0
10
squelch
!squelch and
HS_Differential_Receiver_Output
!squelch and
!HS_Differential_Receiver_Output
invalid
SESS_VLD
0
0
1
X
© ST-NXP Wireless 2009. All rights reserved.
Table 17
ISP1705
A_VBUS_VLD
0
0
0
1
and
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