问 他的频率范围大概是多少亚！书上也没有个大概的范围！
一般怎么设置它亚？ 答 1: PDF说明书上有 最低 正常 最高
f(DCO03)
Rsel = 0, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C VCC = 2.2 V 0.08 0.12 0.15
MHz
VCC = 3 V 0.08 0.13 0.16
f(DCO13)
Rsel = 1, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C VCC = 2.2 V 0.14 0.19 0.23
MHz
VCC = 3 V 0.14 0.18 0.22
f(DCO23)
Rsel = 2, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C VCC = 2.2 V 0.22 0.30 0.36
MHz
VCC = 3 V 0.22 0.28 0.34
f(DCO33)
Rsel = 3, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C VCC = 2.2 V 0.37 0.49 0.59
MHz
VCC = 3 V 0.37 0.47 0.56
f(DCO43)
Rsel = 4, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C VCC = 2.2 V 0.61 0.77 0.93
MHz
VCC = 3 V 0.61 0.75 0.90
f(DCO53)
Rsel = 5, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C VCC = 2.2 V 1 1.2 1.5
MHz
VCC = 3 V 1 1.3 1.5
f(DCO63)
Rsel = 6, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C VCC = 2.2 V 1.6 1.9 2.2
MHz
VCC = 3 V 1.69 2.0 2.29
f(DCO73)
Rsel = 7, DCO = 3, MOD = 0, DCOR = 0, TA = 25°C VCC = 2.2 V 2.4 2.9 3.4
MHz
VCC = 3 V 2.7 3.2 3.65
f(DCO47) Rsel = 4, DCO = 7, MOD = 0, DCOR = 0, TA = 25°C VCC = 2.2 V/3 V

f(DCO77) Rsel = 7, DCO = 7, MOD = 0, DCOR = 0, TA = 25°C
VCC = 2.2 V 4 4.5 4.9
MHz
VCC = 3 V 4.4 4.9 5.4