Electronic – details regarding peripheral configuration for STM32 controllers in datasheets

armconfigurationdatasheetstm32

I have recently begun working more with STM32 processors coming from the more simple Atmel 8bit variety. The Atmel datasheets are very nicely laid out — specifically speaking to how they provide information relating to hardware configuration registers.

However, I am having a difficult time finding similar information in the ST datasheets. How, for example, do I find information about configuring the alternative options on a pin, or the sampling rate of the ADC? I can find only general information about this hardware for a given processor, but never as much detail as provided by Atmel shown above.

Am I just looking at a condensed datasheet? I pulled one available directly from mouser: see an example.

Best Answer

To get the detailed info including register map and other register details for an ST microcontroller, you want what they call the reference manual, not the datasheet or the user manual.

See for example:

Reference manual for STM32F405/415, STM32F407/417, STM32F427/437 and STM32F429/439 lines
Reference manual for STM32F0x1/STM32F0x2/STM32F0x8 lines
Reference manual for STM32F401xB/C and STM32F401xD/E lines
Reference manual for STM32F100xx line

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the data sheet i used to answer your other question is http://pdf1.alldatasheet.com/datasheet-pdf/view/181475/WINBOND/W25P80VFIG.html

The last to letters (VG) are voltages And packaging information

Electronic – Thyratrons: How they work, what they are used for, and how to read their datasheets

Pins (for 6D4)

1 - grid (the control element)
3, 4 - heater (connect 6.3V AC or DC there)
5 - cathode
7 - plate (anode)

Connect your main voltage between the plate (+) and cathode (-) and keep the grid at a negative voltage, when you want the tube to start conducting, make the grid voltage less negative (the datasheet says that the tube starts conducting when the grid is at -6V - -26V depending on the plate voltage).

Thyratrons work by initiating a gas discharge in a tube. They can have hot (as is the case with 6D4) or cold cathodes. Cold cathode tubes are less sensitive and require higher plate voltages (almost enough to initiate the discharge in the gas, then you connect a positive votage to the grid and the discharge starts). Hot cathode tubes require heater power but are more sensitive and can be used with lower voltages (some tubes can be turned on by about 15V).

Best Answer

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