Texas Instruments TMS320TCI6486 manual Tpic Registers, Tpcfg 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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