Clocks and Power Manager

Table 3-21. CKEN Bit Definitions (Sheet 2 of 2)

Bit

Reset

 

 

 

0x4130_0004

 

 

 

 

 

 

 

 

CKEN

 

 

 

 

 

 

 

Clocks Manager

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

31 30 29 28 27 26 25

24 23 22 21 20 19 18

17 16 15 14 13

12

11 10

9

8

7

6

5

4

 

3

2

1

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

reserved

 

 

 

 

 

 

 

CKEN16

reserved

CKEN14

CKEN13

CKEN12

CKEN11

reserved

reserved

CKEN8

CKEN7

CKEN6

CKEN5

reserved

 

CKEN3

CKEN2

CKEN1

CKEN0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

0

0

0

0

0

0

0

0

0

0

0

0

0

 

0

1

0

1

1

1

1

1

0

1

1

1

1

0

 

1

1

1

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bits

 

 

Name

 

 

 

 

 

 

 

 

 

 

 

 

Description

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I2S Unit Clock Enable

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

 

 

CKEN8

 

0 –

Clock to the unit is disabled

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 – Clock to the unit is enabled.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Set by hardware and watchdog resets

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BTUART Unit Clock Enable

7CKEN7 0 – Clock to the unit is disabled 1 – Clock to the unit is enabled.

These bits are set by hardware reset or watchdog reset

FFUART Unit Clock Enable

6CKEN6 0 – Clock to the unit is disabled 1 – Clock to the unit is enabled.

Set by hardware and watchdog resets

 

 

STUART Unit Clock Enable

5

CKEN5

0 – Clock to the unit is disabled

1 – Clock to the unit is enabled.

 

 

 

 

Set by hardware and watchdog resets

HWUART Unit Clock Enable

4CKEN4 0 – Clock to the unit is disabled 1 – Clock to the unit is enabled.

Set by hardware and watchdog resets

SSP Unit Clock Enable

3CKEN3 0 – Clock to the unit is disabled 1 – Clock to the unit is enabled.

Set by hardware and watchdog resets

AC97 Unit Clock Enable

2CKEN2 0 – Clock to the unit is disabled 1 – Clock to the unit is enabled.

Set by hardware and watchdog resets

PWM1 Clock Enable

1CKEN1 0 – Clock to the unit is disabled 1 – Clock to the unit is enabled.

Set by hardware and watchdog resets

PWM0 Clock Enable

0CKEN0 0 – Clock to the unit is disabled 1 – Clock to the unit is enabled.

Set by hardware and watchdog resets

Intel® PXA255 Processor Developer’s Manual

3-37

Page 99
Image 99
Intel PXA255 manual Cken Bit Definitions Sheet 2, Description I2S Unit Clock Enable, CKEN8, CKEN5