Roy_01
62 lines
2.1 KiB
Markdown
62 lines
2.1 KiB
Markdown
dac_base
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---
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This example is used to demo the usage of DAC
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> It is a `10-bits DAC`
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## Log
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Use serial port with baudrate 115200, 8bit, no parity check.
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+ DAC0
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- Measure DAC outupt (PA8)
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> + `step= 0`, PA8 Output= 1 mV
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> + `step= 128`, PA8 Output= 407 mV
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> + `step= 256`, PA8 Output= 815 mV
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> + `step= 384`, PA8 Output= 1219 mV
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> + `step= 512`, PA8 Output= 1627 mV
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> + `step= 640`, PA8 Output= 2017 mV
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> + `step= 768`, PA8 Output= 2413 mV
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> + `step= 896`, PA8 Output= 2825 mV
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> + `step= 1023`, PA8 Output= 3231 mV
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```
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Oct 1 2025 16:42:52
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Run DAC-0 and output to PA8 <--- If VDD = 3300
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DAC step= 0, Expect Output= 0 mV
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DAC step= 128, Expect Output= 412 mV
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DAC step= 256, Expect Output= 825 mV
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DAC step= 384, Expect Output= 1237 mV
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DAC step= 512, Expect Output= 1650 mV
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DAC step= 640, Expect Output= 2062 mV
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DAC step= 768, Expect Output= 2475 mV
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DAC step= 896, Expect Output= 2887 mV
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DAC step= 1023, Expect Output= 3296 mV
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```
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+ DAC1
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- Measure DAC outupt (PA8)
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> + `step= 0`, PA8 Output= 1 mV
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> + `step= 128`, PA8 Output= 408 mV
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> + `step= 256`, PA8 Output= 815 mV
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> + `step= 384`, PA8 Output= 1218 mV
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> + `step= 512`, PA8 Output= 1628 mV
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> + `step= 640`, PA8 Output= 2018 mV
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> + `step= 768`, PA8 Output= 2413 mV
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> + `step= 896`, PA8 Output= 2825 mV
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> + `step= 1023`, PA8 Output= 3231 mV
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```
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Oct 1 2025 16:50:50
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Run DAC-1 and output to PA8 <--- If VDD = 3300
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DAC step= 0, Expect Output= 0 mV
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DAC step= 128, Expect Output= 412 mV
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DAC step= 256, Expect Output= 825 mV
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DAC step= 384, Expect Output= 1237 mV
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DAC step= 512, Expect Output= 1650 mV
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DAC step= 640, Expect Output= 2062 mV
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DAC step= 768, Expect Output= 2475 mV
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DAC step= 896, Expect Output= 2887 mV
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DAC step= 1023, Expect Output= 3296 mV
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``` |