User manual

...the world's most energy friendly microcontrollers
2012-04-24 - Giant Gecko Family - d0053_Rev0.96 143
www.energymicro.com
11.5.8 CMU_CALCNT - Calibration Counter Register
Offset Bit Position
0x01C
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
Reset
0x00000
Access
RWH
Name
CALCNT
Bit Name Reset Access Description
31:20 Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
19:0 CALCNT 0x00000 RWH Calibration Counter
Write top value before calibration. Read calibration result from this register when Calibration Ready flag has been set.
11.5.9 CMU_OSCENCMD - Oscillator Enable/Disable Command Register
Offset Bit Position
0x020
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
Reset
0
0
0
0
0
0
0
0
0
0
Access
W1
W1
W1
W1
W1
W1
W1
W1
W1
W1
Name
LFXODIS
LFXOEN
LFRCODIS
LFRCOEN
AUXHFRCODIS
AUXHFRCOEN
HFXODIS
HFXOEN
HFRCODIS
HFRCOEN
Bit Name Reset Access Description
31:10 Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
9 LFXODIS 0 W1 LFXO Disable
Disables the LFXO. LFXOEN has higher priority if written simultaneously.
8 LFXOEN 0 W1 LFXO Enable
Enables the LFXO.
7 LFRCODIS 0 W1 LFRCO Disable
Disables the LFRCO. LFRCOEN has higher priority if written simultaneously.
6 LFRCOEN 0 W1 LFRCO Enable
Enables the LFRCO.
5 AUXHFRCODIS 0 W1 AUXHFRCO Disable
Disables the AUXHFRCO. AUXHFRCOEN has higher priority if written simultaneously. WARNING: Do not disable this clock during
a flash erase/write operation.
4 AUXHFRCOEN 0 W1 AUXHFRCO Enable
Enables the AUXHFRCO.
3 HFXODIS 0 W1 HFXO Disable