TMS320DM814X datasheet(64/377 Pages) TI1

64 / 377 page

TMS320DM8148, TMS320DM8147

SPRS647E – MARCH 2011 – REVISED DECEMBER 2013

www.ti.com

Table 3-8. EMAC[1] Terminal Functions [(R)(G)MII]

SIGNAL

TYPE(1)

OTHER(2) (3)

MUXED

DESCRIPTION

NAME

NO.

EMAC[1] (G)MII Mode

An EMAC bootmode must be selected via the BTMODE[4:0] pins. Once the EMAC bootmode is selected, the BTMODE[9:8] pins determine

the Ethernet PHY Mode Selection (for example, 00b is MII mode). For more detailed information on EMAC bootmodes and Ethernet PHY

Mode selection, see Section 4.2.6, Ethernet PHY Mode Selection.

These pin functions are available only when GMII and MII modes are selected.

VOUT[1]_HSYNC/

VOUT[1],

EMAC[1]_MCOL/

VIN[1]A, SPI[3],

VIN[1]A_VSYNC/

IPD

AC24

UART3, GP2

[G]MII Collision Detect (Sense) input

SPI[3]_D[1]/

DVDD

PINCNTL205

UART3_RTS/

DSIS: 0

GP2[29]

VOUT[1]_VSYNC/

EMAC[1]_MCRS/

VOUT[1],

VIN[1]A_FLD/

VIN[1]A, SPI[3],

IPD

VIN[1]A_DE/

AA23

UART3, GP2

[G]MII Carrier Sense input

DVDD

SPI[3]_D[0]/

PINCNTL206

UART3_CTS/

DSIS: 0

GP2[30]

VOUT[1]_G_Y_YC[6]/

VOUT[1],

EMAC[1]_GMTCLK/

IPD

VIN[1]A, GP3

AH27

GMII Source Synchronous Transmit Clock

VIN[1]A_D[11]/

DVDD

PINCNTL218

GP3[10]

DSIS: N/A

VOUT[1]_B_CB_C[3]/

VOUT[1],

EMAC[1]_MRCLK/

VIN[1]A,

IPD

VIN[1]A_D[0]/

AH25

UART4, GP3

[G]MII Receive Clock

DVDD

UART4_CTS/

PINCNTL208

GP3[0]

DSIS: 0

(1)

I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal, MM = Multi Muxed, DSIS = De-

selected Input State

(2)

IPD = Internal Pulldown Active, IPU = Internal Pullup Active, DIS = Internal Pull Disabled. This represents the default state of the

Internal Pull after Reset. For more detailed information on pullup/pulldown resistors and situations where external pullup/pulldown

resistors are required, see Section 4.5.1, Pullup/Pulldown Resistors and the Section 7.3.17, Pin Behaviors at Reset.

(3)

Specifies the operating I/O supply voltage for each signal

Device Pins

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