Atmel Evaluation Kit for AT32uC3A0512, 32-Bit AVR Microcontroller Atmel ATEVK1105 ATEVK1105 データシート
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製品コード
ATEVK1105
68
AT32UC3A
13.6.1
Main Clock Control
Name:
MCCTRL
Access Type:
Read/Write
•
MCSEL: Main Clock Select
0: The slow clock is the source for the main clock
1: Oscillator 0 is source for the main clock
2: PLL0 is source for the main clock
3: Reserved
1: Oscillator 0 is source for the main clock
2: PLL0 is source for the main clock
3: Reserved
•
OSC0EN: Oscillator 0 Enable
0: Oscillator 0 is disabled
1: Oscillator 0 is enabled
1: Oscillator 0 is enabled
•
OSC1EN: Oscillator 1 Enable
0: Oscillator 1is disabled
1: Oscillator 1is enabled
1: Oscillator 1is enabled
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
-
-
OSC1EN
OSC0EN
MCSEL
32058K
AVR32-01/12