Texas-instruments TMS320C645x DSP Uživatelský manuál stáhnout pdf (Strana 90)

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5.7 Receive Teardown Register (RXTEARDOWN)

EMAC Port Registers

The receive teardown register (RXTEARDOWN) is shown in Figure 35 and described in Table 35 .

Figure 35. Receive Teardown Register (RXTEARDOWN)

31 16

Reserved

R-0

15 3 2 0

Reserved RXTDNCH

R-0 R/W-0

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

Table 35. Receive Teardown Register (RXTEARDOWN) Field Descriptions

Bit Field Value Description

31-3 Reserved 0 Reserved

2-0 RXTDNCH 0-3h Receive teardown channel. Receive channel teardown is commanded by writing the encoded value

of the receive channel to be torn down. The teardown register is read as zero.

0 Teardown receive channel 0

1h Teardown receive channel 1

2h Teardown receive channel 2

3h Teardown receive channel 3

4h Teardown receive channel 4

5h Teardown receive channel 5

6h Teardown receive channel 6

7h Teardown receive channel 7

Ethernet Media Access Controller (EMAC)/Management Data Input/Output (MDIO)90 SPRU975B – August 2006

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Texas-instruments TMS320C645x DSP Uživatelský manuál Strana 90