AM1707 datasheet(28/199 Pages) TI

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AM1707

SPRS637A – FEBRUARY 2010 – REVISED APRIL 2010

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3.6.15 Multichannel Audio Serial Ports (McASP0, McASP1, McASP2)

Table 3-17. Multichannel Audio Serial Ports (McASPs) Terminal Functions

No.

SIGNAL NAME

TYPE(1)

PULL(2)

MUXED

DESCRIPTION

ZKB

McASP0

EMA_WE_DQM[0]/UHPI_HINT/AXR0[15]/GP2[9]

M14

I/O

IPU

EMIFA, UHPI,

EMA_WE_DQM[1]/UHPI_HDS2/AXR0[14]/GP2[8]

P12

I/O

IPU

GPIO

EMA_OE/UHPI_HDS1/AXR0[13]/GP2[7]

I/O

IPU

EMIFA, UHPI,

EMA_WE/UHPI_HRW/AXR0[12]/GP2[3]/BOOT[14]

M13

I/O

IPU

GPIO, BOOT

AXR0[11]/ AXR2[0]/GP3[11]

I/O

IPD

McASP2, GPIO

UART1_TXD/AXR0[10]/GP3[10]

I/O

IPD

GPIO

UART1_RXD/AXR0[9]/GP3[9]

I/O

IPD

GPIO

McASP0 serial

AXR0[8]/MDIO_D/GP3[8]

I/O

IPU

MDIO, GPIO

data.

AXR0[7]/MDIO_CLK/GP3[7]

I/O

IPD

AXR0[6]/RMII_RXER/ACLKR2/GP3[6]

I/O

IPD

AXR0[5]/RMII_RXD[1]/AFSX2/GP3[5]

I/O

IPD

AXR0[4]/RMII_RXD[0]/AXR2[1]/GP3[4]

I/O

IPD

EMAC,

AXR0[3]/RMII_CRS_DV/AXR2[2]/GP3[3]

I/O

IPD

McASP2, GPIO

AXR0[2]/RMII_TXEN/AXR2[3]/GP3[2]

I/O

IPD

AXR0[1]/RMII_TXD[1]/ACLKX2/GP3[1]

I/O

IPD

AXR0[0]/RMII_TXD[0]/AFSR2/GP3[0]

I/O

IPD

McASP2, USB,

McASP1 transmit

AHCLKX0/AHCLKX2/USB_REFCLKIN/GP2[11]

I/O

IPD

GPIO

master clock.

McASP0 transmit

ACLKX0/ECAP0/APWM0/GP2[12]

I/O

IPD

eCAP0, GPIO

bit clock.

McASP0 transmit

AFSX0/GP2[13]/BOOT[10]

I/O

IPD

GPIO, BOOT

frame sync.

EMAC, GPIO,

McASP0 receive

AHCLKR0/RMII_MHZ_50_CLK/GP2[14]/BOOT[11]

I/O

IPD

BOOT

master clock.

McASP0 receive

ACLKR0/ECAP1/APWM1/GP2[15]

I/O

IPD

eCAP1, GPIO

bit clock.

McASP0 receive

AFSR0/GP3[12]

I/O

IPD

GPIO

frame sync.

McASP0 mute

AMUTE0/RESETOUT

I/O

IPD

RESETOUT

output.

(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

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