EMIC Module Registers

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3.3TPIC Registers

3.3.1TPCFG Registers

There are eight TPCFG registers (TPCFG0 through TPCFG7), one per transmit event. This register configuration is common to all C64x+ megamodules. The TPCFG register details are shown in Figure 26 and described in Table 19.

Figure 26. TPCFG Register

31

28

27

 

 

 

 

 

16

 

Reserved

 

 

TIME_CFG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0000

 

 

R/W-0000 0000

 

 

 

 

15

 

8

7

4

3

2

1

0

 

 

 

 

 

 

 

 

 

 

CNT_CFG

 

Reserved

TU

CU

TR

CR

 

 

 

 

 

 

 

 

 

 

R/W-0000 0000

 

0000

R/W-0

R/W-0

R/W-0

R/W-0

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

 

 

 

 

 

 

 

 

 

Table 19. TPCFG Register Field Descriptions

 

 

 

 

Bit

Field

Value

Description

 

 

 

 

31-28

Reserved

 

Reserved

 

 

 

 

27-16

TIME_CFG

 

Time delay configuration value

 

 

 

 

15-8

CNT_CFG

 

Divide by N configuration value

 

 

 

 

7-4

Reserved

 

Reserved

 

 

 

 

3

TU

 

Write-only bit; reads return 0

 

 

0

N/A

 

 

1

Enables writes to TIME_CFG

 

 

 

 

2

CU

 

Write-only bit; reads return 0

 

 

0

N/A

 

 

1

Enables writes to CNT_CFG

 

 

 

 

1

TR

 

Write-only bit; reads return 0

 

 

0

N/A

 

 

1

Resets the timer counter

 

 

 

 

0

CR

 

Write-only bit; reads return 0

 

 

0

N/A

 

 

1

Resets the divide by N count

 

 

 

 

74

C6472/TCI6486 EMAC/MDIO

SPRUEF8F –March 2006 –Revised November 2010

 

 

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Texas Instruments TMS320TCI6486 manual Tpic Registers, Tpcfg Registers, Tpcfg Register Field Descriptions