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Section 5.48 – Texas Instruments TMS320TCI6486 User Manual

Page 146

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EMAC Port Registers

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5.48 Transmit Channel 0-7 Completion Pointer Register (TXnCP)

The transmit channel 0-7 completion pointer register (TXnCP) is shown in

Figure 90

and described in

Table 84

.

Figure 90. Transmit Channel n Completion Pointer Register (TXnCP)

31

16

TXnCP

R/W-x

15

0

TXnCP

R/W-x

LEGEND: R/W = Read/Write; -n = value after reset

Table 84. Transmit Channel n Completion Pointer Register (TXnCP) Field Descriptions

Bit

Field

Value

Description

31-0

TXnCP

Transmit channel n completion pointer register is written by the host with the buffer descriptor
address for the last buffer processed by the host during interrupt processing. The EMAC uses the
value written to determine if the interrupt should be de-asserted.

146

C6472/TCI6486 EMAC/MDIO

SPRUEF8F – March 2006 – Revised November 2010

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