Product preview – Texas Instruments TMS320C6454 User Manual

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PRODUCT PREVIEW

TMS320C6454
Fixed-Point Digital Signal Processor

SPRS311A – APRIL 2006 – REVISED DECEMBER 2006

7.7.3.2 PLL Multiplier Control Register

The PLL multiplier control register (PLLM) is shown in

Figure 7-12

and described in

Table 7-20

. The PLLM

register defines the input reference clock frequency multiplier in conjunction with the PLL divider ratio bits
(RATIO) in the PLL controller pre-divider register (PREDIV).

31

16

Reserved

R-0

15

5

4

0

Reserved

PLLM

R-0

R/W-0h

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

Figure 7-12. PLL Multiplier Control Register (PLLM) [Hex Address: 029A 0110]

Table 7-20. PLL Multiplier Control Register (PLLM) Field Descriptions

Bit

Field

Value

Description

31:5

Reserved

0

Reserved. The reserved bit location is always read as 0. A value written to this field has no effect.

4:0

PLLM

PLL multiplier bits. Defines the frequency multiplier of the input reference clock in conjunction with
the PLL divider ratio bits (RATIO) in PREDIV.

0h

x1 multiplier rate

Eh

x15 multiplier rate

13h

x20 multiplier rate

18h

x25 multiplier rate

1Dh

x30 multiplier rate

1Fh

x32 multiplier rate

C64x+ Peripheral Information and Electrical Specifications

128

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