ARM IM-AD1 Guía de usuario descargar pdf (Pagina 56)

Reference Design Example

You must also observe the operating range limits:

Note

The default values for these registers set CLK1 to 25MHz and CLK2 to 12MHz.

Table 4-5 LM_OSCx registers

Bits Name Access Function

18:16 OD Read/write Output divider:

000 = divide by 10

001 = divide by 2

010 = divide by 8

011 = divide by 4

100 = divide by 5

101 = divide by 7

110 = divide by 9

111 = divide by 6.

15:9 RDW Read/write Reference divider word. Defines the binary value of

the R[6:0] pins of the clock generator.

8:0 VDW Read/write VCO divider word. Defines the binary value of the

V[8:0] pins of the clock generator.

10MHz < 48MHz ·

(V[8:0] +8)

(R[6:0] +2)

R[6:0] < 118

1 2 ... 51 52 53 54 55 56 57 58 59 60 61 ... 91 92

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ARM IM-AD1 Guía de usuario Pagina 56