AM3892 datasheet(66/299 Pages) TI

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AM3894

AM3892

SPRS681A – OCTOBER 2010 – REVISED MARCH 2011

www.ti.com

3.2.8

Multichannel Audio Serial Port Signals

Table 3-9. McASP0 Terminal Functions

SIGNAL

TYPE(1)

OTHER(2) (3)

MUXED

DESCRIPTION

NAME

NO.

PULL: IPD / IPD

MCA[0]_ACLKR

AK28

I/O

DRIVE: Z / Z

McASP0 Receive Bit Clock I/O

PINCTRL126

DVDD_3P3

PULL: IPD / IPD

MCA[0]_AHCLKR

AJ27

I/O

DRIVE: Z / Z

McASP0 Receive High-Frequency Master Clock I/O

PINCTRL127

DVDD_3P3

PULL: IPD / IPD

MCA[0]_AFSR

AG29

I/O

DRIVE: Z / Z

McASP0 Receive Frame Sync I/O

PINCTRL128

DVDD_3P3

PULL: IPD / IPD

GP0[7]/

GP0

H35

I/O

DRIVE: Z / Z

McASP0 Mute Input

MCA[0]_AMUTEIN

PINCTRL298

DVDD_3P3

PULL: IPD / IPD

MCA[0]_ACLKX

AH30

I/O

DRIVE: Z / Z

McASP0 Transmit Bit Clock I/O

PINCTRL129

DVDD_3P3

PULL: IPD / IPD

MCA[0]_AHCLKX

AH31

I/O

DRIVE: Z / Z

McASP0 Transmit High-Frequency Master Clock I/O

PINCTRL130

DVDD_3P3

PULL: IPD / IPD

MCA[0]_AFSX

AJ31

I/O

DRIVE: Z / Z

McASP0 Transmit Frame Sync I/O

PINCTRL131

DVDD_3P3

PULL: IPD / IPD

MCA[0]_AMUTE

AJ35

DRIVE: Z / Z

McASP0 Mute Output

PINCTRL132

DVDD_3P3

PULL: IPD / IPD

MCA[0]_AXR[5]/

MCB

AJ37

I/O

DRIVE: Z / Z

MCB_DR

PINCTRL138

DVDD_3P3

PULL: IPD / IPD

MCA[0]_AXR[4]/

MCB

AJ36

I/O

DRIVE: Z / Z

MCB_DX

PINCTRL137

DVDD_3P3

PULL: IPD / IPD

MCA[0]_AXR[3]/

MCB

AJ34

I/O

DRIVE: Z / Z

MCB_FSR

PINCTRL136

DVDD_3P3

McASP0 Transmit/Receive Data I/Os

PULL: IPD / IPD

MCA[0]_AXR[2]/

MCB

AJ33

I/O

DRIVE: Z / Z

MCB_FSX

PINCTRL135

DVDD_3P3

PULL: IPD / IPD

MCA[0]_AXR[1]

AJ32

I/O

DRIVE: Z / Z

PINCTRL134

DVDD_3P3

PULL: IPD / IPD

MCA[0]_AXR[0]

AK37

I/O

DRIVE: Z / Z

PINCTRL133

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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