Intel Pentium 4 Processor CK00 Clock Synthesizer/Driver Design Guidelines

ManualsBrandsIntel ManualsOtherIntel Pentium 4 Processor supporting HT Technology 3.00E GHz, 1M Cache, 800 MHz FSB

CK00 Clock Synthesizer/Driver Design Guidelines

Page 41

Table 6.7 Select Functions –

CKx_WBY

SEL100/133 SELA SELB Function

0 0 0 Active 100MHz

0 0 1 Active 100MHz, ref_out Low, 66_out

Low, 3VMRef and 3VMRef_b Low

0 1 0 (Reserved)

0 1 1 HI-Z all outputs

1 0 0 Active 133MHz

1 0 1 (Reserved)

1 1 0 (Reserved)

111Test Mode

SEL

100/133

SELA SELB Host MRef 66M

seed

14.318M

seed

Notes:

0 0 0 100MHz 50MHz 66MHz 14.318MHz

001

100MHz Low Low Low

0 1 0 N/A N/A N/A N/A

0 1 1 HI-Z HI-Z HI-Z HI-Z

1 0 0 133MHz 66MHz 66MHz 14.318MHz

1 0 1 N/A N/A N/A N/A

1 1 0 N/A N/A N/A N/A

1 1 1 TCLK/2 TCLK/4 TCLK TCLK