AT91SAM7S64C-AU 查看數據表（PDF） - Atmel Corporation

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AT91SAM7S64C-AU

AT91SAM ARM-based Flash MCU

Atmel Corporation 

25.9.3 PMC System Clock Status Register

Register Name:

PMC_SCSR

Access Type:

Read-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 Status

0 = The Processor clock is disabled.

1 = The Processor clock is enabled.

• UDP: USB Device Port Clock Status

0 = The 48 MHz clock (UDPCK) of the USB Device Port is disabled.

1 = The 48 MHz clock (UDPCK) of the USB Device Port is enabled.

(Does not pertain to SAM7S32/16.)

• PCKx: Programmable Clock x Output Status

0 = The corresponding Programmable Clock output is disabled.

1 = The corresponding Programmable Clock output is enabled.

26

–

18

–

10

PCK2

2

–

25

–

17

–

9

PCK1

1

–

24

–

16

–

8

PCK0

0

PCK

SAM7S Series [DATASHEET]

6175M–ATARM–26-Oct-12

203

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