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USB334X датащи(PDF) 62 Page - Microchip Technology

номер детали USB334X
подробное описание детали  Enhanced Single Supply Hi-Speed USB ULPI Transceiver
PDF  92 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

USB334X датащи(HTML) 62 Page - Microchip Technology

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USB334x
DS00002646A-page 62
2009-2018 Microchip Technology Inc.
Exiting Headset Audio Mode is the same as exiting Low Power Mode as described in Section 6.5.2, "Exiting Low Power
Mode," on page 57. The RESETB pin can also be pulsed low to reset the USB334x and return to Synchronous Mode.
TABLE 6-13:
PIN DEFINITIONS IN HEADSET AUDIO MODE
Signal
Connected to
Direction
Description
SessVld
DATA[0]
OUT
Output of SessVld comparator
VbusVld
DATA[1]
OUT
Output of VbusVld Comparator (interrupt must be enabled)
IdGndDrv
DATA[2]
IN
Drives ID pin to ground when asserted
0b: Not connected
1b: Connects ID to ground.
DATA[3]
OUT
Driven low
IdGround
DATA[4]
OUT
Asserted when the ID pin is grounded.
0b: ID pin is grounded
1b: ID pin is floating
IdFloat
DATA[5]
OUT
Asserted when the ID pin is floating. IdPullup or
Id_pullup330 must be enabled.
IdFloatRise and IdFloatFall must be enabled.
IdPullup330
DATA[6]
IN
When enabled a 330kΩ pullup is applied to the ID pin. This
bit will also change the trip point of the IdGnd comparator
to the value shown in Table 4-9.
0b: Disables the pull-up resistor
1b: Enables the pull-up resistor
IdPullup
DATA[7]
IN
Connects the 100kΩ pull-up resistor from the ID pin to
VDD3.3
0b: Disables the pull-up resistor
1b: Enables the pull-up resistor



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