mk1493-03b Integrated Device Technology, mk1493-03b Datasheet - Page 10

• Manufacturer Part Number: mk1493-03b
• Description: Pci Clock Generator
• Manufacturer: Integrated Device Technology

Table 4. Frequency Margin Selection through SMBus (Byte 0)
4
gradual.
IDT™ PCI CLOCK GENERATOR
Bit
The transition of each of these clock frequencies is
MK1493-03B
PCI CLOCK GENERATOR
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Bit
3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Bit
2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Bit
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Bit
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
nominal + 10%
nominal + 11%
nominal + 12%
nominal + 13%
nominal + 14%
nominal + 15%
nominal + 16%
nominal + 17%
nominal + 18%
nominal + 19%
100.00/125.00
nominal +20%
nominal +21%
nominal +22%
nominal +23%
nominal +24%
nominal +25%
nominal - 10%
nominal - 15%
nominal - 20%
nominal - 25%
nominal + 1%
nominal + 2%
nominal + 3%
nominal + 4%
nominal + 5%
nominal + 6%
nominal + 7%
nominal + 8%
nominal + 9%
nominal - 3%
nominal - 5%
CPUCLK
CPUCLK
(MHz)
4
CLK50 (MHz)
nominal + 10%
nominal + 11%
nominal + 12%
nominal + 13%
nominal + 14%
nominal + 15%
nominal + 16%
nominal + 17%
nominal + 18%
nominal + 19%
nominal +20%
nominal +21%
nominal +22%
nominal +23%
nominal +24%
nominal +25%
nominal - 10%
nominal - 15%
nominal - 20%
nominal - 25%
nominal + 1%
nominal + 2%
nominal + 3%
nominal + 4%
nominal + 5%
nominal + 6%
nominal + 7%
nominal + 9%
nominal+ 8%
nominal - 3%
nominal - 5%
50.00
4
10
CLK66, 66/71/83
nominal + 10%
nominal + 11%
nominal + 12%
nominal + 13%
nominal + 14%
nominal + 15%
nominal + 16%
nominal + 17%
nominal + 18%
nominal + 19%
nominal +20%
nominal +21%
nominal +22%
nominal +23%
nominal +24%
nominal +25%
nominal - 10%
nominal - 15%
nominal - 20%
nominal - 25%
nominal + 1%
nominal + 2%
nominal + 3%
nominal + 4%
nominal + 5%
nominal + 6%
nominal + 7%
nominal + 8%
nominal + 9%
nominal - 3%
nominal - 5%
66, 66/71/83
(MHz)
4
PCICLK (MHz)
nominal + 10%
nominal + 11%
nominal + 12%
nominal + 13%
nominal + 14%
nominal + 15%
nominal + 16%
nominal + 17%
nominal + 18%
nominal + 19%
nominal +20%
nominal +21%
nominal +22%
nominal +23%
nominal +24%
nominal +25%
nominal - 10%
nominal - 15%
nominal - 20%
nominal - 25%
nominal + 1%
nominal + 2%
nominal + 3%
nominal + 4%
nominal + 5%
nominal + 6%
nominal + 7%
nominal + 8%
nominal + 9%
nominal - 3%
nominal - 5%
nominal
MK1493-03B
4
CLOCK SYNTHESIZER
REV H 051310