SPRS292A − OCTOBER 2005 − REVISED NOVEMBER 2005

PLL and PLL controller (continued)

PLLCSR Register (0x01B7 C100)

31

28

27

24

23

 

 

 

20

19

 

 

16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R−0

 

 

 

 

 

15

12

 

8

 

6

5

4

 

2

1

0

11

7

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Reserved

 

 

STABLE

 

 

Reserved

PLLRST

Reserved

PLLPWRDN

PLLEN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R−0

 

 

R−x

 

 

R−0

RW−1

R/W−0

R/W−0b

RW−0

 

 

 

 

 

 

 

 

 

 

 

 

 

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

Table 29. PLL Control/Status Register (PLLCSR)

BIT #

NAME

 

 

DESCRIPTION

 

 

 

31:7

Reserved

Reserved. Read-only, writes have no effect.

 

 

 

 

 

Oscillator Input Stable. This bit indicates if the OSCIN/CLKIN input has stabilized.

6

STABLE

0

– OSCIN/CLKIN input not yet stable. Oscillator counter is not finished counting (default).

 

 

1

OSCIN/CLKIN input stable.

 

 

 

5:4

Reserved

Reserved. Read-only, writes have no effect.

 

 

 

 

 

Asserts RESET to PLL

3

PLLRST

0

PLL Reset Released.

 

 

1

– PLL Reset Asserted (default).

 

 

 

2

Reserved

Reserved. The user must write a “0” to this bit.

 

 

 

 

 

Select PLL Power Down

1

PLLPWRDN

0

PLL Operational (default).

 

 

1

– PLL Placed in Power-Down State.

 

 

 

 

 

PLL Mode Enable

 

 

0

– Bypass Mode (default). PLL disabled.

 

 

 

 

Divider D0 and PLL are bypassed. SYSCLK1/SYSCLK2/SYSCLK3 are divided down

0

PLLEN

 

 

directly from input reference clock.

 

 

1

PLL Enabled.

 

 

 

 

Divider D0 and PLL are not bypassed. SYSCLK1/SYSCLK2/SYSCLK3 are divided down

 

 

 

 

from PLL output.

 

 

 

 

 

POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443

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Motorola TMS320C6711D warranty Pllcsr Register 0x01B7 C100, PLL Control/Status Register Pllcsr