TMS320C6455
SPRS276M –MAY 2005–REVISED MARCH 2012
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7.8.3.3 PLL Controller Status Register
The PLL controller status register (PLLSTAT) shows the PLL controller status. PLLSTAT is shown in
Figure 7-26 and described in Table 7-35.
31 16
Reserved
R-0
15 1 0
Reserved GOSTAT
R-0 R-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Figure 7-26. PLL Controller Status Register (PLLSTAT) [Hex Address: 029C 013C]
Table 7-35. PLL Controller Status Register (PLLSTAT) Field Descriptions
Bit Field Value Description
31:1 Reserved 0 Reserved. The reserved bit location is always read as 0. A value written to this field has no effect.
0 GOSTAT GO operation status.
0 Go operation is not in progress. SYSCLK divide ratios are not being changed.
1 GO operation is in progress. SYSCLK divide ratios are being changed.
7.8.3.4 PLL Controller Clock Align Control Register
The PLL controller clock align control register (ALNCTL) is shown in Figure 7-27 and described in Table 7-
36.
31 16
Reserved
R-0
15 1 0
Reserved ALN1
R-0 R/W-1
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Figure 7-27. PLL Controller Clock Align Control Register (ALNCTL) [Hex Address: 029C 0140]
Table 7-36. PLL Controller Clock Align Control Register (ALNCTL) Field Descriptions
Bit Field Value Description
31:1 Reserved 0 Reserved. The reserved bit location is always read as 0. A value written to this field has no effect.
0 ALN1 SYSCLK1 alignment. Do not change the default values of these fields.
0 Do not align SYSCLK1 during GO operation. If SYS1 in DCHANGE is set to 1, SYSCLK1 switches
to the new ratio immediately after the GOSET bit in PLLCMD is set.
1 Align SYSCLK1 when the GOSET bit in PLLCMD is set. The SYSCLK1 ratio is set to the ratio
programmed in the RATIO bit in PLLDIV1.
152 C64x+ Peripheral Information and Electrical Specifications Copyright © 2005–2012, Texas Instruments Incorporated
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