ADIN1300CCPZ-R7 datasheet(76/79 Pages) AD

76 / 79 page

ADIN1300

Data Sheet

Rev. 0 | Page 76 of 79

Subsystem GP_CLK Pin Override Control Register

Address: 0xFF3D, Reset: 0x0000, Name: GE_IO_GP_CLK_OR_CNTRL

This register allows the default function of the GP_CLK pin to be overridden.

Table 123. Bit Descriptions for GE_IO_GP_CLK_OR_CNTRL

Bits

Bit Name

Description

Reset

Access

[15:3]

RESERVED

Reserved.

0x0

[2:0]

GE_IO_GP_CLK_OR_CNTRL

This bit field allows the default function of the GP_CLK pin to be overridden.

0x0

R/W

111: PHY clock selected by the registers in the GE_CLK_CFG register.

110: RX_ER.

101: COL.

100: CRS.

011: receive start of packet indication.

010: transmit start of packet indication.

001: link status.

000: default function. The default function is RX_ER when the PHY is configured

for MII or RMII MAC interface. In all other cases, the default function is GP_CLK.

Subsystem LINK_ST Pin Override Control Register

Address: 0xFF3E, Reset: 0x0000, Name: GE_IO_GP_OUT_OR_CNTRL

This register allows the default function of the LINK_ST pin to be overridden.

Table 124. Bit Descriptions for GE_IO_GP_OUT_OR_CNTRL

Bits

Bit Name

Description

Reset

Access

[15:3]

RESERVED

Reserved.

0x0

[2:0]

GE_IO_GP_OUT_OR_CNTRL

This bit field allows the default function of the LINK_ST pin to be overridden.

0x0

R/W

111: link status.

110: reserved.

101: COL.

100: CRS.

011: receive start of packet indication.

010: transmit start of packet indication.

001: link status.

000: default function, link status.

Subsystem INT_N Pin Override Control Register

Address: 0xFF3F, Reset: 0x0000, Name: GE_IO_INT_N_OR_CNTRL

This register allows the default function of the INT_N pin to be overridden.

Table 125. Bit Descriptions for GE_IO_INT_N_OR_CNTRL

Bits

Bit Name

Description

Reset

Access

[15:3]

RESERVED

Reserved.

0x0

[2:0]

GE_IO_INT_N_OR_CNTRL

This bit field allows the default function of the INT_N pin to be overridden.

0x0

R/W

111: INT_N.

110: TX_ER.

101: COL.

100: CRS.

011: receive start of packet indication.

010: transmit start of packet indication.

001: link status.

000: default function, INT_N. The default function when configured for MII MAC

interface with EEE advertisement disabled from hardware pin configuration is CRS.

In all other cases, the pin function is INT_N.

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