AT91SAM7S64C-AU View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT91SAM7S64C-AU

AT91SAM ARM-based Flash MCU

Atmel Corporation 

25.9.8 PMC Clock Generator Main Clock Frequency Register

Register Name:

CKGR_MCFR

Access Type:

Read-only

31

30

29

28

27

26

–

–

–

–

–

–

23

22

21

20

19

18

–

–

–

–

–

–

15

14

13

12

11

10

MAINF

7

6

5

4

3

2

MAINF

• MAINF: Main Clock Frequency

Gives the number of Main Clock cycles within 16 Slow Clock periods.

• MAINRDY: Main Clock Ready

0 = MAINF value is not valid or the Main Oscillator is disabled.

1 = The Main Oscillator has been enabled previously and MAINF value is available.

25

24

–

–

17

16

–

MAINRDY

9

8

1

0

SAM7S Series [DATASHEET]

6175M–ATARM–26-Oct-12

207

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