ISP1302HN-T ST-Ericsson Inc, ISP1302HN-T Datasheet - Page 13
![no-image](/images/manufacturer_photos/0/6/627/st-ericsson_inc_sml.jpg)
ISP1302HN-T
Manufacturer Part Number
ISP1302HN-T
Description
IC USB OTG TRANSCEIVER 24HVQFN
Manufacturer
ST-Ericsson Inc
Type
Transceiverr
Datasheet
1.ISP1302HN-T.pdf
(64 pages)
Specifications of ISP1302HN-T
Number Of Drivers/receivers
1/1
Protocol
USB 2.0
Voltage - Supply
3 V ~ 4.5 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
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NXP Semiconductors
ISP1302_1
Product data sheet
7.8 Audio bypass
7.9 Audio data control
The audio bypass block includes audio switches and DC bias circuits, see
Audio switches provide a low impedance path for analog audio signals from the phone
processor to be routed to the DP and DM lines. The impedance of the switches will be
between 50
Figure 8
audio data controller is described in the following subsections.
Fig 7. Audio bypass
shows a diagram that includes the audio data controller. Each block within the
DP
DM
and 150 .
AGND
AGND
VREG
VREG
R B1
R B2
R B2
R B1
Rev. 01 — 24 May 2007
Figure 7
SPKR_R_
BIAS_EN
SPKR_L_
BIAS_EN
shows audio switches and DC biasing circuits.
SW_MIC_
SPKR_L
USB OTG transceiver with carkit support
SPKR_L_EN
SPKR_MIC_EN
S3
S1
004aaa628
SPKR_R/MIC
SPKR_L
© NXP B.V. 2007. All rights reserved.
ISP1302
Figure
7.
12 of 63
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