AM3892 datasheet(66/308 Pages) TI

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AM3894

AM3892

SPRS681E – OCTOBER 2010 – REVISED JULY 2012

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3.2.6

High-Definition Multimedia Interface (HDMI) Signals

Table 3-7. HDMI Terminal Functions

SIGNAL

TYPE(1)

OTHER(2) (3)

MUXED

DESCRIPTION

NAME

NO.

HDMI Clock Output.

HDMI_TMDSCLKP

AT24

VDDA_HDMI

When the HDMI PHY is powered down, these pins

HDMI_TMDSCLKN

AU24

should be left unconnected.

VDDA_HDMI

HDMI Data 2 output.

HDMI_TMDSDN2

AU27

VDDA_HDMI

When the HDMI PHY is powered down, these pins

HDMI_TMDSDP2

AT27

should be left unconnected.

VDDA_HDMI

HDMI Data 1 output.

HDMI_TMDSDN1

AU26

VDDA_HDMI

When the HDMI PHY is powered down, these pins

HDMI_TMDSDP1

AT26

should be left unconnected.

VDDA_HDMI

HDMI Data 0 output.

HDMI_TMDSDN0

AU25

VDDA_HDMI

When the HDMI PHY is powered down, these pins

HDMI_TMDSDP0

AT25

should be left unconnected.

VDDA_HDMI

PULL: DIS / DIS

HDMI_SCL

AL25

DRIVE: Z / Z

HDMI I2C Serial Clock Output

PINCTRL301

DVDD_3P3

PULL: DIS / DIS

HDMI_SDA

AK25

I/O

DRIVE: Z / Z

HDMI I2C Serial Data I/O

PINCTRL302

DVDD_3P3

PULL: IPU / IPU

HDMI_CEC

AP25

I/O

DRIVE: H / H

HDMI Consumer Electronics Control I/O

PINCTRL303

DVDD_3P3

PULL: IPD / IPD

HDMI Hot Plug Detect Input. Signals the

HDMI_HPDET

AE24

DRIVE: Z / Z

connection / removal of an HDMI cable at the

PINCTRL304

DVDD_3P3

connector.

HDMI Voltage Reference. When HDMI is used,

this pin must be connected via an external 5.9K-

Ω

(±1% tolerance) resistor to VSS.

HDMI_EXTSWING

AN25

When the HDMI PHY is powered down, this pin

should be left unconnected.

(1)

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

(2)

PULL: A / B, where:

A is the state of the internal pull resistor during POR reset

B is the state of the internal pull resistor after POR and Warm reset are de-asserted and during Warm reset

IPD = Internal Pulldown Enabled, IPU = Internal Pullup Enabled, DIS = Internal Pull Disabled

DRIVE: A / B, where;

A is the driving state of the pin during POR reset

B is the driving state of the pin after POR and Warm reset are de-asserted and during Warm reset

H = Driving High, L = Driving Low, Z = 3-State

For more detailed information on pullup/pulldown resistors and situations where external pullup/pulldown resistors are required, see

Section 4.2.1, Pullup/Pulldown Resistors.

(3)

Specifies the operating I/O supply voltage for each signal.

Device Pins

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