SM320C6455-EP

FIXED-POINT DIGITAL SIGNAL PROCESSOR

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SPRS462B – SEPTEMBER 2007 – REVISED JANUARY 2008

7.8.3.1 PLL Controller Divider 1 Register

The PLL controller divider 1 register (PLLDIV1) is shown in Figure 7-24and described in Table 7-33.

31

 

 

 

 

16

 

 

 

Reserved

 

 

 

 

 

R-0

 

 

15

14

 

5

4

0

D1EN

 

 

Reserved

 

RATIO

R/W-1

 

 

R-0

 

R/W-1

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

 

 

 

Figure 7-24. PLL Controller Divider 1 Register (PLLDIV1) [Hex Address: 029C 0118]

 

 

Table 7-33. PLL Controller Divider 1 Register (PLLDIV1) Field Descriptions

Bit

Field

Value

Description

 

 

31:16

Reserved

0

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

15

D1EN

 

Divider D1 enable bit.

 

 

 

 

0

Divider D1 is disabled. No clock output.

 

 

 

 

1

Divider D1 is enabled.

 

 

14:5

Reserved

0

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

4:0

RATIO

0-1Fh

Divider ratio bits.

 

 

 

 

1h

÷2. Divide frequency by 2.

 

 

 

 

4h

÷5. Divide frequency by 5.

 

 

 

 

Others

Reserved

 

 

154

C64x+ Peripheral Information and Electrical Specifications

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Texas Instruments SM320C6455-EP manual PLL Controller Divider 1 Register, D1EN