AM3892 datasheet(68/299 Pages) TI

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AM3894

AM3892

SPRS681A – OCTOBER 2010 – REVISED MARCH 2011

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Table 3-11. McASP2 Terminal Functions

SIGNAL

TYPE(1)

OTHER(2) (3)

MUXED

DESCRIPTION

NAME

NO.

MCA[2]_ACLKR/

PULL: IPD / IPD

MCB

MCB_CLKR/

AL34

I/O

DRIVE: Z / Z

McASP2 Receive Bit Clock I/O

PINCTRL148

MCB_DR

DVDD_3P3

PULL: IPD / IPD

MCA[2]_AHCLKR/

MCB

AM34

I/O

DRIVE: Z / Z

McASP2 Receive High-Frequency Master Clock I/O

MCB_CLKS

PINCTRL149

DVDD_3P3

MCA[2]_AFSR/

PULL: IPD / IPD

MCB

MCB_CLKX/

AM35

I/O

DRIVE: Z / Z

McASP2 Receive Frame Sync I/O

PINCTRL150

MCB_FSR

DVDD_3P3

GP0[5]/

PULL: IPD / IPD

GP0, GPMC

MCA[2]_AMUTEIN/

DRIVE: Z / Z

McASP2 Mute Input

PINCTRL296

GPMC_A[24]

DVDD_3P3

PULL: IPD / IPD

MCA[2]_ACLKX/

MCB

AM36

I/O

DRIVE: Z / Z

McASP2 Transmit Bit Clock I/O

MCB_CLKX

PINCTRL151

DVDD_3P3

PULL: IPD / IPD

MCA[2]_AHCLKX/

MCB

AN36

I/O

DRIVE: Z / Z

McASP2 Transmit High-Frequency Master Clock I/O

MCB_CLKR

PINCTRL152

DVDD_3P3

MCA[2]_AFSX/

PULL: IPD / IPD

MCB

MCB_CLKS/

AN35

I/O

DRIVE: Z / Z

McASP2 Transmit Frame Sync I/O

PINCTRL153

MCB_FSX

DVDD_3P3

PULL: IPD / IPD

MCA[2]_AMUTE

AP36

DRIVE: Z / Z

McASP2 Mute Output

PINCTRL154

DVDD_3P3

PULL: IPD / IPD

MCA[2]_AXR[1]/

MCB

AR37

I/O

DRIVE: Z / Z

MCB_DX

PINCTRL156

DVDD_3P3

McASP2 Transmit/Receive Data I/Os

PULL: IPD / IPD

MCA[2]_AXR[0]

AR36

I/O

DRIVE: Z / Z

PINCTRL155

DVDD_3P3

(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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