Texas Instruments TMS320F28016, TMS320F2809, TMS320F2808, TMS320C2802 Device Clock Table

TMS320F2809, TMS320F2808, TMS320F2806

TMS320F2802, TMS320F2801, TMS320C2802

TMS320C2801, TMS320F28016, TMS320F28015

SPRS230L –OCTOBER 2003 –REVISED DECEMBER 2009 www.ti.com

6.6.3Device Clock Table

This section provides the timing requirements and switching characteristics for the various clock options available on the 280x DSPs. Table 6-6and Table 6-7list the cycle times of various clocks.

Table 6-6. TMS320x280x Clock Table and Nomenclature (100-MHz Devices)

					MIN	NOM	MAX	UNIT
On-chip oscillator	tc(OSC), Cycle time				28.6		50	ns
clock	Frequency				20		35	MHz
XCLKIN(1)	tc(CI), Cycle time				10		250	ns
	Frequency				4		100	MHz
SYSCLKOUT	tc(SCO), Cycle time				10		500	ns
	Frequency				2		100	MHz
XCLKOUT	tc(XCO), Cycle time				10		2000	ns
	Frequency				0.5		100	MHz
HSPCLK(2)	t	c(HCO)		, Cycle time	10	20(3)		ns
	Frequency					50(3)	100	MHz
LSPCLK(2)	t	c(LCO)	, Cycle time		10	40(3)		ns
	Frequency					25(3)	100	MHz
	tc(ADCCLK), Cycle time (All devices except F2809)				80			ns
ADC clock	Frequency (All devices except F2809)						12.5	MHz
	tc(ADCCLK), Cycle time (F2809)				40			ns
	Frequency (F2809)						25	MHz

(1)This also applies to the X1 pin if a 1.8-V oscillator is used.

(2)Lower LSPCLK and HSPCLK will reduce device power consumption.

(3)This is the default reset value if SYSCLKOUT = 100 MHz.

Table 6-7. TMS320x280x/2801x Clock Table and Nomenclature (60-MHz Devices)

On-chip oscillator	tc(OSC), Cycle time
clock	Frequency
XCLKIN(1)	tc(CI), Cycle time
	Frequency
SYSCLKOUT	tc(SCO), Cycle time
	Frequency
XCLKOUT	tc(XCO), Cycle time
	Frequency
HSPCLK(2)	tc(HCO), Cycle time
	Frequency
LSPCLK(2)	tc(LCO), Cycle time
	Frequency
ADC clock	tc(ADCCLK), Cycle time
	Frequency

MIN	NOM		MAX	UNIT
28.6			50	ns
20			35	MHz
16.67			250	ns
4			60	MHz
16.67			500	ns
2			60	MHz
16.67			2000	ns
0.5			60	MHz
16.67	33.3	(3)		ns
	30	(3)	60	MHz
16.67	66.7	(3)		ns
	15	(3)	60	MHz
133.33				ns
			7.5	MHz

(1)This also applies to the X1 pin if a 1.8-V oscillator is used.

(2)Lower LSPCLK and HSPCLK will reduce device power consumption.

(3)This is the default reset value if SYSCLKOUT = 60 MHz.

104	Electrical Specifications	Copyright © 2003–2009, Texas Instruments Incorporated
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Product Folder Link(s): TMS320F2809 TMS320F2808 TMS320F2806 TMS320F2802 TMS320F2801 TMS320C2802

TMS320C2801 TMS320F28016 TMS320F28015