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For external terminal treatment of Vybrid

Question asked by Takashi Takahashi on Jan 31, 2016
Latest reply on Feb 3, 2016 by jiri-b36968

Hi community.

Our customer has below questions.

Ethernet is unused for a customer circuits.

 

Attachment circuit diagram of  "U8 (RMII_XINT /) RCON22" only pull up (10Kohm), expect register is open.

GPIO set in the register setting of soft ware.

 

The following is the question.

The description of the "RMII_MDIO" of "This signal is an input after reset."

(Reference Manual Rev 7 P1919 42.3 Chapter)

 

If the terminal to Open "RMII_MDIO" is

 

By erroneous determination, or it will not fall into a mode such GP can not start?

This terminal is, What PULLUP / DOWN is not so MUST?

 

function

port

IOMUX
config

Mux_mode

Internal

  pull

External

  pull

RMII_CLKIN

PATA6

0X00000060

GPIO

100K

none

RMII1_TXD1

PTC15

0X00000060

GPIO

100K

none

RMII1_TXD0

PTC16

0X00000060

GPIO

100K

none

RMII1_TXEN

PTC17

0X00000060

GPIO

100K

none

RMII1_RXD1

PTC12

0X00000060

GPIO

100K

none

RMII1_RXD0

PTC13

0X00000060

GPIO

100K

none

RMII1_CRS_DV

PTC11

0X00000060

GPIO

100K

none

RMII1_RXER

PTC14

0X00000060

GPIO

100K

none

RMII1_MDC

PTC9

NA

RMII1MDIO

PTC10

0X00000060

GPIO

100K

none

MRII1_XINT/RCON22

RCON22

0X00300061

GPIO

10K

RMII1_XREST

PTB28

0X00000060

GPIO

100K

none

Thanks,

Best.

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