TMS320DM814X datasheet(62/376 Pages) TI1

62 / 376 page

TMS320DM8148, TMS320DM8147

SPRS647E – MARCH 2011 – REVISED DECEMBER 2013

www.ti.com

Table 3-7. EMAC[0] Terminal Functions [(R)(G)MII] (continued)

SIGNAL

TYPE(1)

OTHER(2) (3)

MUXED

DESCRIPTION

NAME

NO.

EMAC[0]_MRCLK/

EMAC[0],

EMAC[0]_RGTXC/

VIN[1]B, SPI[3],

VIN[1]B_D[4]/

IPD

H27

GP3

RMII Carrier Sense input

EMAC[0]_RMCRSDV/

DVDD_GPMC

PINCNTL239

SPI[3]_SCS[2]/

DSIS: 0

GP3[27]

EMAC[0]_MCRS/

EMAC[0],

EMAC[0]_RGRXD[2]/

VIN[1]B, SPI[3],

IPD

VIN[1]B_D[2]/

R25

GPI3

DVDD_GPMC

EMAC[0]_RMRXD[1]/

PINCNTL237

GP3[25]

DSIS: PIN

RMII Receive Data [1:0]. For 10/100 EMAC RMII

operation, EMAC[0]_RMRXD[1:0] are used.

EMAC[0]_MCOL/

EMAC[0],

EMAC[0]_RGRXCTL/

IPD

VIN[1]B, GP3

VIN[1]B_D[1]/

L23

DVDD_GPMC

PINCNTL236

EMAC[0]_RMRXD[0]/

DSIS: PIN

GP3[24]

EMAC[0]_MRXER/

EMAC[0],

EMAC[0]_RGTXCTL/

IPD

VIN[1]B, GP3

VIN[1]B_D[3]/

J26

RMII Receive Data Error input

DVDD_GPMC

PINCNTL238

EMAC[0]_RMRXER/

DSIS: 0

GP3[26]

EMAC[0]_MRXD[1]/

EMAC[0],

EMAC[0]_RGRXD[0]/

IPD

VIN[1]B, GP3

VIN[1]B_D[6]/

P23

DVDD_GPMC

PINCNTL241

EMAC[0]_RMTXD[1]/

DSIS: N/A

GP3[29]

RMII Transmit Data [7:0]. For 10/100 EMAC RMII

operation, EMAC[0]_RMTXD[1:0] are used.

EMAC[0]_MRXD[0]/

EMAC[0],

EMAC[0]_RGTXD[0]/

IPD

VIN[1]B, GP3

VIN[1]B_D[5]/

G28

DVDD_GPMC

PINCNTL240

EMAC[0]_RMTXD[0]/

DSIS: N/A

GP3[28]

EMAC[0]_MRXD[2]/

EMAC[0],

EMAC[0]_RGRXD[1]/

IPD

VIN[1]B, GP3

VIN[1]B_D[7]/

R23

RMII Transmit Data Enable output

DVDD_GPMC

PINCNTL242

EMAC[0]_RMTXEN/

DSIS: N/A

GP3[30]

EMAC[0] RGMII 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, 10b is RGMII 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 RGMII mode is selected.

EMAC[0]_MTCLK/

EMAC[0],

EMAC[0]_RGRXC/

VIN[1]B, SPI[3],

VIN[1]B_D[0]/

IPD

L24

I2C[2], GP3

RGMII Receive Clock

SPI[3]_SCS[3]/

DVDD_GPMC

PINCNTL235

I2C[2]_SDA/

DSIS: PIN

GP3[23]

EMAC[0]_MCOL/

EMAC[0],

EMAC[0]_RGRXCTL/

IPD

VIN[1]B, GP3

VIN[1]B_D[1]/

L23

RGMII Receive Control

DVDD_GPMC

PINCNTL236

EMAC[0]_RMRXD[0]/

DSIS: PIN

GP3[24]

Device Pins

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