AM1707BZKB4 datasheet(30/198 Pages) TI

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AM1707

SPRS637A – FEBRUARY 2010 – REVISED APRIL 2010

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3.6.16 Universal Serial Bus Modules (USB0, USB1)

Table 3-18. Universal Serial Bus (USB) Terminal Functions

No.

SIGNAL NAME

TYPE(1) PULL(2) MUXED

DESCRIPTION

ZKB

USB0 2.0 OTG (USB0)

USB0_DM

USB0 PHY data minus

USB0_DP

USB0 PHY data plus

USB0_VDDA33

PWR

USB0 PHY 3.3-V supply

USB0_VDDA18

PWR

USB0 PHY 1.8-V supply input

USB0_VDDA12(3)

PWR

USB0 PHY 1.2-V LDO output for bypass cap

USB0_ID

USB0 PHY identification (mini-A or mini-B plug)

USB0_VBUS

USB0 bus voltage

USB0 controller VBUS control output. Multiplexed

USB0_DRVVBUS/GP4[15]

IPD

GPIO

with GPIO bank 4 pin 15.

AHCLKX0/AHCLKX2/USB_REFCLKIN/

IPD

USB_REFCLKIN. Optional clock input.

GP2[11]

USB1 1.1 OHCI (USB1)

USB1_DM

USB1 PHY data minus

USB1_DP

USB1 PHY data plus

USB1_VDDA33

PWR

USB1 PHY 3.3-V supply

USB1_VDDA18

PWR

USB1 PHY 1.8-V supply

AHCLKX0/AHCLKX2/USB_REFCLKIN/

IPD

USB_REFCLKIN. Optional clock input.

GP2[11]

(1)

I = Input, O = Output, I/O = Bidirectional, Z = High impedance, PWR = Supply voltage, GND = Ground, A = Analog signal.

Note: The pin type shown refers to the input, output or high-impedance state of the pin function when configured as the the signal name

highlighted in bold. All multiplexed signals may enter a high-impedance state when the configured function is input-only or the configured

function supports high-Z operation. All GPIO signals can be used as input or output. For multiplexed pins where functions have different

types (ie., input versus output), the table reflects the pin function direction for that particular peripheral.

(2)

IPD = Internal Pulldown resistor, IPU = Internal Pullup resistor

(3)

Core power supply LDO output for USB PHY. This pin must be connected via a 0.22 uF capacitor to VSS.

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