PLL202-14 PhaseLink (PLL), PLL202-14 Datasheet - Page 11

• Manufacturer Part Number: PLL202-14
• Description: Ali, Via, Sis, Intel 440BX Chipset FTGS , Freq. Progr., Power Mgt, Wdt, Drive Ctrl, SST
• Manufacturer: PhaseLink (PLL)

47745 Fremont Blvd., Fremont, California 94538 TEL [phone] FAX [phone]
WDT OPERATIONAL FLOW CHART
END
END
Programmable Clock Generator for VIA Apollo Pro-266
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§
§
§
§
Frequency Setting
to I2C Frequency
Setting
Enable Bit
Enable Bit
Setting
Copy Fall-Back
Disable WD-
F
Frequency
Setting
Disable WD-
F
CPU
CPU
= Fall-Back
= Target
SUCCESS
SUCCESS
WD-TIMER, WD-ENABLE
I2C Register Loading:
I2C Register Loading:
System Restart @
Jumper-Setting
Fall-Back, M,
Frequency
Frequency
Restart @
Response
Fall-back
START
Wait For
System
System
END
FSEL
FAIL -
After specified WD-Timer Expired
FAIL -
After specified WD-Timer Expired
PLL202-14
Rev 3/23/01 Page 11