mcguire at neurotica.com
Wed Aug 11 20:42:13 CDT 2010
On 8/11/10 8:48 PM, Alexandre Souza - Listas wrote:
>> Well yes, but it's not really all that bad. Those chips are shipped
>> with their clocks stopped, and you need to set a bit in them (normally
>> done by the OS at boot time, just in case) to "kick start" them. I
>> believe the datasheets even call it the "kick start bit". The battery
>> life is essentially the shelf life before the kick start bit is set
>> for the first time.
> First pulse in the /wr line...
Is that what does it? I definitely remember a "kick start" bit in
the datasheet. Was that for the clock, and the /WR line enabled the
backup for the SRAM?
Port Charlotte, FL
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