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AN3128 Datasheet(PDF) 15 Page - STMicroelectronics

Part # AN3128
Description  This library is a firmware package which contains a collection
PDF  105 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN3128 Datasheet(HTML) 15 Page - STMicroelectronics

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AN3128
Multi-input embedded GUI library
Doc ID 16918 Rev 5
15/105
It is the same as far as the RAM usage is concerned: the user can calculate the space
required by the application considering the heap space required by each graphic object
used in their own application. For a typical application, 32 KB of RAM are required.
Table 2 shows the ROM usage (Flash memory) of the bitmap images for each type of
graphic object using IAR 5.5 and high optimization for size:
Table 3 shows the RAM usage of each type of graphic object:
Table 2.
ROM usage of graphic objects
Graphic object type
ROM (Flash)
Note
Label
0 bytes
Totally
Button
2.904 bytes
Totally
Checkbox
1.736 bytes
Totally
RadioButton
1.736 bytes
Totally
ComboBox
4.144 bytes
Totally
Switch
2.904 bytes
Totally
Icon
0 bytes
Totally
Slidebar
944 bytes
Totally
Histogram
0 bytes
Totally
Graph chart
0 bytes
Totally
Table 3.
RAM usage of graphic objects
Graphic object type
RAM (Heap)
Note
Label
101 bytes
Each
Button
70 bytes
Each
Checkbox
79 bytes
Each
RadioButtonGrp
40 bytes
Each
RadioOption
48 bytes
Each
ComboBoxGrp
90 bytes
Each
ComboOption
29 bytes
Each
Switch
86 bytes
Each
Icon
53 bytes
Each
Slidebar
79 bytes
Each
Histogram
156 bytes
Each
Graph chart
257 bytes
Each
Page
162 bytes
Each



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