C6416 datasheet(68/134 Pages) TI1

68 / 134 page

SMJ320C6414, SMJ320C6415, SMJ320C6416

FIXEDPOINT DIGITAL SIGNAL PROCESSORS

SGUS050A − JANUARY 2004 − REVISED MARCH 2004

POST OFFICE BOX 1443

• HOUSTON, TEXAS 77251−1443

clock PLL (continued)

PLLMULT

PLLCLK

CLKMODE0

CLKMODE1

CLKIN

EMI

filter

3.3 V

00 01 10

CPU Clock

Peripheral Bus

Timer Internal Clock

CLKOUT4,

McBSP Internal Clock

CLKOUT6

ECLKIN_SEL (DEVCFG.[17,16]

and DEVCFG.[15,14])

EMIF

00 01 10

EK2RATE

(GBLCTL.[19,18])

ECLKOUT2

ECLKOUT1

PLL

x6, x12

µF 0.1 µF

ECLKIN

(For the PLL Options, CLKMODE Pins Setup, and

PLL Clock Frequency Ranges, see Table 32.)

Internal to C64x

PLLV

NOTES: A. Place all PLL external components (C1, C2, and the EMI Filter) as close to the C6000

 DSP device as possible. For the best

performance, TI recommends that all the PLL external components be on a single side of the board without jumpers, switches, or

components other than the ones shown.

B. For reduced PLL jitter, maximize the spacing between switching signals and the PLL external components (C1, C2, and the EMI

Filter).

C. The 3.3-V supply for the EMI filter must be from the same 3.3-V power plane supplying the I/O voltage, DVDD.

D. EMI filter manufacturer TDK part number ACF451832-333, -223, -153, -103. Panasonic part number EXCCET103U.

Figure 5. External PLL Circuitry for Either PLL Multiply Modes or x1 (Bypass) Mode

C6416 Datasheet(PDF) 68 Page - Texas Instruments

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