Atmel /ATSAM3U4E /PMC /PMC_MCKR

Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text

Interpret as PMC_MCKR

31 2827 2423 2019 1615 1211 87 43 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (SLOW_CLK)CSS0 (CLK_1)PRES0 (PLLADIV2)PLLADIV2 0 (UPLLDIV2)UPLLDIV2

PRES=CLK_1, CSS=SLOW_CLK

Description

Master Clock Register

Fields

CSS

Master Clock Source Selection

0 (SLOW_CLK): Slow Clock is selected

1 (MAIN_CLK): Main Clock is selected

2 (PLLA_CLK): PLLA Clock is selected

3 (UPLL_CLK): UPLLClock is selected

PRES

Processor Clock Prescaler

0 (CLK_1): Selected clock

1 (CLK_2): Selected clock divided by 2

2 (CLK_4): Selected clock divided by 4

3 (CLK_8): Selected clock divided by 8

4 (CLK_16): Selected clock divided by 16

5 (CLK_32): Selected clock divided by 32

6 (CLK_64): Selected clock divided by 64

7 (CLK_3): Selected clock divided by 3

PLLADIV2

PLLA Divisor by 2

UPLLDIV2

UPLL Divisor by 2

Links

()