AN2491 datasheet(17/32 Pages) STMICROELECTRONICS

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AN2491

Functions

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STW8110x_Get_Fout_value()

STW8110x_ProcessError()

Description

Returns output frequency according to the selected configuration and the input

frequency.

Definition

t_stw8110x_error STW8110x_Get_Fout_value(

t_stw8110x_Config Device_config_init,

double Fref_clk,

double *Fout_MHz

);

Arguments (in)

(in)

(out)

Device_config_init

: Structure containing configuration of device

Fref_clk

: Input frequency in MHz

Fout_MHz

: Output frequency in MHz

Return value

t_stw8110x_error

FunctionType

Synchronous

Comments

Potential errors:

OK,

ERR_VCO_CALIBRATION,

ERR_FUNCT_MODE_UNKNOWN,

ERR_VCO_VOLTAGE,

ERR_CHARGE_PUMP_CURRENT,

ERR_PRESCALER,

ERR_A_HIGHER_THAN_B,

ERR_A_OUTOF_RANGE,

ERR_B_OUTOF_RANGE,

ERR_REF_CLK_DIVIDER,

ERR_N_OUTOF_RANGE,

ERR_VCOA_FREQ_OUTOF_RANGE,

ERR_VCOB_FREQ_OUTOF_RANGE

Description

Manages the STW8110x device driver errors.

Definition

void STW8110x_ProcessError(

t_stw8110x_error error

);

Arguments (in)

error

: error returned by functions of API

Return value

none

FunctionType

Synchronous

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