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| F75223 |
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12 page 
Jan., 2012 V0.16P 12 F75223 count down to zero(auto A) WDT Timer count down(auto B) 300m sec RSTOUT# (once) WDT_EN PWROK WDT Di sable Figure 7.5.2 WDT timeout illustrator with single low pulse of RSTOUT (Default) 7.6 Auto Refreshing The auto-refreshing would include erase function, read function and program function. The F75223 would support a complete auto-refreshing. Users only set the start bit for auto-refreshing (bit 7 at index 03h) or the button has been press low for more than 4 seconds after the flash size, SPI frequency, the destination of program would be set. The Figure 7.6.1 shows as Auto-refresh process flow. |
