526
11100B–ATARM–31-Jul-12
SAM4S Series [Preliminary]
27.2.16.26
PMC Oscillator Calibration Register
Name:
PMC_OCR
Address:
0x400E0510
Access:
Read-write
This register can only be written if the WPEN bit is cleared in
“PMC Write Protect Mode Register”
• CAL4: RC Oscillator Calibration bits for 4 Mhz
Calibration bits applied to the RC Oscillator when SEL4 is set.
• SEL4: Selection of RC Oscillator Calibration bits for 4 Mhz
0 = Default value stored in Flash memory.
1 = Value written by user in CAL4 field of this register.
• CAL8: RC Oscillator Calibration bits for 8 Mhz
Calibration bits applied to the RC Oscillator when SEL8 is set.
• SEL8: Selection of RC Oscillator Calibration bits for 8 Mhz
0 = Factory determined value stored in Flash memory.
1 = Value written by user in CAL8 field of this register.
• CAL12: RC Oscillator Calibration bits for 12 Mhz
Calibration bits applied to the RC Oscillator when SEL12 is set.
• SEL12: Selection of RC Oscillator Calibration bits for 12 Mhz
0 = Factory determined value stored in Flash memory.
1 = Value written by user in CAL12 field of this register.
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
SEL12
CAL12
15
14
13
12
11
10
9
8
SEL8
CAL8
7
6
5
4
3
2
1
0
SEL4
CAL4
Summary of Contents for SAM4S Series
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Page 1143: ...1143 11100B ATARM 31 Jul 12 SAM4S Series Preliminary Figure 43 4 64 lead LQFP Package Drawing ...
Page 1145: ...1145 11100B ATARM 31 Jul 12 SAM4S Series Preliminary Figure 43 5 64 lead QFN Package Drawing ...