Kontron COMe-cP2020 Bedienungsanleitung PDF herunterladen (Seite 47)

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COMe-P2020 User Guide

Table 3-10: 0x006: User eTSEC2 SGMII Mode Configuration Register

ACTION D7 D6 D5 D4 D3 D2 D1 D0

READ NU NU NU NU NU NU NU cfg_sgmii2

WRITENUNUNUNUNUNUNUcfg_sgmii2

POWER UP1111111 1

BITFIELD DESCRIPTION

[D0] 0 eTSEC2 Ethernet interface operates in SGMII mode and uses SGMII SerDes

lane 2 pins.

1 eTSEC2 Ethernet interface operates in standard parallel interface mode and

uses the TSEC2_* pins.

Table 3-11: 0x007: User eTSEC3 SGMII Mode Configuration Register

ACTION D7 D6 D5 D4 D3 D2 D1 D0

READ NU NU NU NU NU NU NU cfg_sgmii3

WRITENUNUNUNUNUNUNUcfg_sgmii3

POWER UP1111111 1

BITFIELD DESCRIPTION

[D0] 0 eTSEC3 Ethernet interface operates in SGMII mode and uses SGMII SerDes

lane 3 pins.

1 eTSEC3 Ethernet interface operates in standard parallel interface mode and

uses the TSEC3_* pins.

Table 3-12: 0x008: User eTSEC1 Width Configuration Register

ACTION D7 D6 D5 D4 D3 D2 D1 D0

READ NU NU NU NU NU NU NU cfg_tsec_reduce

WRITENUNUNUNUNUNUNUcfg_tsec_reduce

POWER UP1111111 1

BITFIELD DESCRIPTION

[D0] 0 eTSEC1 and eTSEC2 Ethernet interfaces operate in reduced pin mode

(either RTBI, RGMII, or RMII mode).

1 eTSEC1 and eTSEC2 Ethernet interfaces operate in their standard width TBI,

GMII, or MII mode.

N O T I C E

(write Register value to 0x00). Equivalent CPU strapping is hard coded in CPLD depends on board vari-

ant, value is 0b.

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Kontron COMe-cP2020 Bedienungsanleitung Seite 47