IDT_8T49N24x

Macros
#define	IDT_8T49N24X_REVID   0x0
	Device Revision. More...
#define	IDT_8T49N24X_DEVID   0x0607
	Device ID Code. More...
#define	IDT_8T49N24X_XTAL_FREQ   40000000
	The frequency of the crystal in Hz. More...
#define	IDT_8T49N24X_FVCO_MAX   4000000000
	Maximum VCO Operating Frequency in Hz. More...
#define	IDT_8T49N24X_FVCO_MIN   3000000000
	Minimum VCO Operating Frequency in Hz. More...
#define	IDT_8T49N24X_FOUT_MAX   400000000
	Maximum Output Frequency in Hz. More...
#define	IDT_8T49N24X_FOUT_MIN   8000
	Minimum Output Frequency in Hz. More...
#define	IDT_8T49N24X_FIN_MAX   875000000
	Maximum Input Frequency in Hz. More...
#define	IDT_8T49N24X_FIN_MIN   8000
	Minimum Input Frequency in Hz. More...
#define	IDT_8T49N24X_FPD_MAX   128000
	Maximum Phase Detector Frequency in Hz. More...
#define	IDT_8T49N24X_FPD_MIN   8000
	Minimum Phase Detector Frequency in Hz. More...
#define	IDT_8T49N24X_P_MAX   pow(2,22)
	Maximum P divider value. More...
#define	IDT_8T49N24X_M_MAX   pow(2,24)
	Maximum M multiplier value. More...

Functions
int	IDT_8T49N24x_SetClock (u32 I2CBaseAddress, u8 I2CSlaveAddress, int FIn, int FOut, u8 FreeRun)
	This function calculates and sets the IDT 8TN49N24x device with the given clock configuration. More...
int	IDT_8T49N24x_Init (u32 I2CBaseAddress, u8 I2CSlaveAddress)
	This function set the GPIO outputs. More...
void	IDT_8T49N24x_RegisterDump (u32 I2CBaseAddress, u8 I2CSlaveAddress)
	This function displays a registerdump of the IDT 8TN49N24x device. More...

Macro Definition Documentation

#define IDT_8T49N24X_DEVID   0x0607

Device ID Code.

#define IDT_8T49N24X_FIN_MAX   875000000

Maximum Input Frequency in Hz.

Referenced by IDT_8T49N24x_SetClock().

#define IDT_8T49N24X_FIN_MIN   8000

Minimum Input Frequency in Hz.

Referenced by IDT_8T49N24x_SetClock().

#define IDT_8T49N24X_FOUT_MAX   400000000

Maximum Output Frequency in Hz.

Referenced by IDT_8T49N24x_SetClock().

#define IDT_8T49N24X_FOUT_MIN   8000

Minimum Output Frequency in Hz.

Referenced by IDT_8T49N24x_SetClock().

#define IDT_8T49N24X_FPD_MAX   128000

Maximum Phase Detector Frequency in Hz.

#define IDT_8T49N24X_FPD_MIN   8000

Minimum Phase Detector Frequency in Hz.

#define IDT_8T49N24X_FVCO_MAX   4000000000

Maximum VCO Operating Frequency in Hz.

#define IDT_8T49N24X_FVCO_MIN   3000000000

Minimum VCO Operating Frequency in Hz.

#define IDT_8T49N24X_M_MAX   pow(2,24)

Maximum M multiplier value.

#define IDT_8T49N24X_P_MAX   pow(2,22)

Maximum P divider value.

#define IDT_8T49N24X_REVID   0x0

Device Revision.

#define IDT_8T49N24X_XTAL_FREQ   40000000

The frequency of the crystal in Hz.

Function Documentation

int IDT_8T49N24x_Init	(	u32	I2CBaseAddress,
		u8	I2CSlaveAddress
	)

This function set the GPIO outputs.

Parameters

I2CBaseAddress	is the baseaddress of the I2C core.
I2CSlaveAddress	is the 7-bit I2C slave address.

Returns

• XST_SUCCESS
• XST_FAILURE

Note

None.

This function set the input reference

Parameters

I2CBaseAddress	is the baseaddress of the I2C core.
I2CSlaveAddress	is the 7-bit I2C slave address.

Returns

• XST_SUCCESS
• XST_FAILURE

Note

None.

This function set the output drivers

Parameters

I2CBaseAddress	is the baseaddress of the I2C core.
I2CSlaveAddress	is the 7-bit I2C slave address.

Returns

• XST_SUCCESS
• XST_FAILURE

Note

None.

This function sets the lock mode

Parameters

I2CBaseAddress	is the baseaddress of the I2C core.
I2CSlaveAddress	is the 7-bit I2C slave address.

Returns

• XST_SUCCESS
• XST_FAILURE

Note

None.

This function initializes the IDT 8TN49N24x with default values for use with the Video FMC.

Parameters

I2CBaseAddress	is the baseaddress of the I2C core.
I2CSlaveAddress	is the 7-bit I2C slave address.

Returns

• XST_SUCCESS Initialization was successful.
• XST_FAILURE I2C write error.

Note

None.

void IDT_8T49N24x_RegisterDump	(	u32	I2CBaseAddress,
		u8	I2CSlaveAddress
	)

This function displays a registerdump of the IDT 8TN49N24x device.

Parameters

I2CBaseAddress	is the baseaddress of the I2C core.
I2CSlaveAddress	is the 7-bit I2C slave address.

Returns

None

Note

None.

int IDT_8T49N24x_SetClock	(	u32	I2CBaseAddress,
		u8	I2CSlaveAddress,
		int	FIn,
		int	FOut,
		u8	FreeRun
	)

This function calculates and sets the IDT 8TN49N24x device with the given clock configuration.

Parameters

I2CBaseAddress	is the baseaddress of the I2C core.
I2CSlaveAddress	is the 7-bit I2C slave address.
FIn	specifies the input frequency.
FOut	specifies the output frequency.
FreeRun	specifies if the operation mode is locked/synthesizer mode. TRUE Synthesizer mode (Fout only) FALSE Locked mode (Fout locked to Fin)

Returns

• XST_SUCCESS Initialization was successful.
• XST_FAILURE I2C write error or incorrect parameters detected.

Note

References IDT_8T49N24X_FIN_MAX, IDT_8T49N24X_FIN_MIN, IDT_8T49N24X_FOUT_MAX, and IDT_8T49N24X_FOUT_MIN.