Q
1)For our needs we found that the total power dissipation of the ADUC821 is typically 100mW. How can we know how long(how many minutes or hours) the micro controller can work before the battery becomes…
Q
I am searching for an application note, dealing with the interface I2C between the flash of the microconverter and a host processor. The point is to write and access data into the internal fash of…
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I have got a new problem with this mico-c, the serial RxD-TxD die, I use the same wiring as mentioned in user's manual chap. 1.11 others hardware considerations. I have downloaded many times and suddently…
Q
During testing new series of drivers which depend on ADuC812 in one of his dispositon the incident hapend: 1. Microconverter was several times programmed - OK 2. Microconverter worked with different…
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At programming AduC812 of production after 2001 the chip is written 1-2 times by the program download.exe version 2.07 well. At the subsequent attempts to write AduC812 by the program download.exe…
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One customer is asking about the flash spec of the ADuC812. The datasheets tells, that the data in the flash will remain for 10 years, but this spec is for 5V supply! What about this spec under 3.3V…
Q
I have got the problem with ADuC812. When I turn off and then straight away turn on my microcomput. ,after few this cycles it's reference voltage goes to 2.77V, RS232 doesn't work and then I find out…
Q
I have a aduc812 equipped with 16K (AT28 C256) of external memory. My program to download is greater than 8K. My questions are: - Are some switches "on board" that I have to switch on or off ? - the…
Q
I have a question about a latch-up resistance of the ADuC812BS analog inputs. Particulary how is the latch-up current of analog inputs?
A
The ADuC812 is not particularly susceptible to latch…
Q
I need more information about the TEMP Sensor of the ADuC812. What I need is the temperature dependance between exteranal temperature and the internal temperature. If I want to messure the external…