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MCU TFTs: Solomon IC SSD1963 vs RAiO IC RA8875. Complete comparison table:
Wednesday, July 6, 2022
|
Function supporting |
SSD1963 |
RA8875 |
Remark |
|
|
Item |
Function description |
|||
|
Power supply |
single power supply |
NO |
YES |
SSD1963 needs two voltages of 1.2V and 3.3V power supply |
|
MCU interface |
I2C |
NO |
YES |
RA8875 supports multiple serial-parallel MCU interface |
|
3-wire SPI |
NO |
YES |
||
|
4-wire SPI |
NO |
YES |
||
|
2D graphics |
circles, ovals, lines, rectangles, triangles..etc |
NO |
YES |
RA8875 supports 2D graphics |
|
BTE |
Graphics processing acceleration engine |
NO |
YES |
R8875 integrates a graphics processing acceleration engine inside, and graphics processing doesn't need to be implemented by MCU program operation, reducing MCU workload |
|
Double layer |
800*480@256 colors |
NO |
YES |
|
|
480*272@64K colors |
NO |
YES |
|
|
|
Character fonts |
Simplified Chinese |
NO |
YES |
RA8875 can be connected with external font IC. |
|
Traditional Chinese |
NO |
YES |
||
|
ISO/IEC 8859-1/2/3/4 |
NO |
YES |
||
|
Character 1-4 times zoom in and zoom out |
NO |
YES |
||
|
Character rotation |
NO |
YES |
||
|
Keyboard |
4*5 keyboard control interface |
NO |
YES |
|
|
Resistive touch panel |
4 wires resistive touch panel |
NO |
YES |
|
|
DMA |
support external Serial Flash for DMA function |
NO |
YES |
RA8875 supports external Serial Flash. It is used to store image data |