AM3874 datasheet(59/361 Pages) TI

59 / 361 page

AM3874, AM3871

www.ti.com

SPRS695C – SEPTEMBER 2011 – REVISED DECEMBER 2013

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

SIGNAL

TYPE(1)

OTHER(2) (3)

MUXED

DESCRIPTION

NAME

NO.

VIN[0]A,

VIN[0]A_D[22]/

CAMERA_I/F,

CAM_D[14]/

IPD

SPI[3], GP0

EMAC[1]_RMTXD[1]/

AC21

DVDD_C

PINCNTL162

SPI[3]_D[1]/

DSIS: N/A

GP0[16]

MM: MUX1

EMAC[0]_MTXD[7]/

EMAC[0],

EMAC[1]_RGTXD[3]/

GPMC, UART1

IPD

EMAC[1]_RMTXD[1]/

H24

PINCNTL257

DVDD_GPMC

GPMC_A[14]/

DSIS: N/A

UART1_CTS

MM: MUX0

RMII Transmit Data [1:0].

VIN[0]A

VIN[0]A_D[21]/

CAMERA_I/F,

CAM_D[13]/

IPD

SPI[3], GP0

EMAC[1]_RMTXD[0]/

AE18

DVDD_C

PINCNTL161

SPI[3]_SCLK/

DSIS: N/A

GP0[15]

MM: MUX1

EMAC[0],

EMAC[0]_MTXD[6]/

EMAC[1],

EMAC[1]_RGRXD[0]/

IPD

GPMC, UART1

EMAC[1]_RMTXD[0]/

J22

DVDD_GPMC

PINCNTL256

GPMC_A[13]/

DSIS: N/A

UART1_TXD

MM: MUX0

VIN[0]A,

VIN[0]A_D[23]/

CAMERA_I/F,

CAM_D[15]/

IPD

SPI[3], GP0

EMAC[1]_RMTXEN/

AC16

DVDD_C

PINCNTL163

SPI[3]_D[0]/

DSIS: N/A

GP0[17]

MM: MUX1

RMII Transmit Data Enable output

EMAC[0],

EMAC[0]_MTXEN/

EMAC[1],

EMAC[1]_RGRXD[2]/

IPD

GPMC, UART1

EMAC[1]_RMTXEN/

J23

DVDD_GPMC

PINCNTL258

GPMC_A[15]/

DSIS: N/A

UART1_RTS

MM: MUX0

EMAC[1] 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]_GMTCLK/

EMAC[0],

EMAC[1]_RGRXC/

IPD

GPMC, SPI[2]

K23

RGMII Receive Clock

GPMC_A[6]/

DVDD_GPMC

PINCNTL249

SPI[2]_D[1]

DSIS: PIN

EMAC[0]_MRXD[3]/

EMAC[1]_RGRXCTL/

EMAC[0],

GPMC_A[27]/

IPD

GPMC, UART5

J25

RGMII Receive Control

GPMC_A[26]/

DVDD_GPMC

PINCNTL243

GPMC_A[0]/

DSIS: PIN

UART5_RXD

Device Pins

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