AT91SAM7S64C-AU データシートの表示（PDF） - Atmel Corporation

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AT91SAM7S64C-AU

AT91SAM ARM-based Flash MCU

Atmel Corporation 

25.9.1 PMC System Clock Enable Register

Register Name:

PMC_SCER

Access Type:

Write-only

31

30

29

28

27

–

–

–

–

–

23

22

21

20

19

–

–

–

–

–

15

14

13

12

11

–

–

–

–

–

7

6

5

4

3

UDP

–

–

–

–

• PCK: Processor Clock Enable

0 = No effect.

1 = Enables the Processor clock.

• UDP: USB Device Port Clock Enable

0 = No effect.

1 = Enables the 48 MHz clock of the USB Device Port.

(Does not pertain to SAM7S32/16.)

• PCKx: Programmable Clock x Output Enable

0 = No effect.

1 = Enables the corresponding Programmable Clock output.

26

–

18

–

10

PCK2

2

–

25

–

17

–

9

PCK1

1

–

24

–

16

–

8

PCK0

0

PCK

SAM7S Series [DATASHEET]

6175M–ATARM–26-Oct-12

201

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