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CMS80F731x Reference Manual
19.3 Feature Description
LED dot matrix is scanned by 8 * 8 dot matrix dual lamp mode, that is, two lights at a time (common cathode),
corresponding to LED0 ~ LED8 port, up to 8x8 = 64 lights can be configured to drive. Configure the lighting situation of the
corresponding address (1 means light, 0 means no light), the hardware will resolve the light address and the current scan
address, and automatically complete the output control of the corresponding IO port. Can be configured 4x4, 5x5, 6x6, 6x7,
7x7, 7x8, 8x8, different size dot matrix (corresponding lamp address unchanged).
The 8*8 dot matrix is shown in the following figure (the blue light in the figure is a separate scanning lamp):
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
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51
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63
LED0
LED1
LED2
LED3
LED4
LED5
LED6
LED7
LED8
