up to 16 channels.
0 = Analog
UNIBIP Selects offset configuration for the Analog
1 = Analog
The following table summarizes all possible Offset/Range configurations:
UNIBIP | GS1 | GS0 | Input Range | Input Gain | Measurement |
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| Resolution |
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0 | 0 | 0 | ±10 V | 1 | 4.88 mV |
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0 | 0 | 1 | ± 5 V | 2 | 2.44 mV |
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0 | 1 | 0 | ±2.5 V | 4 | 1.22 mV |
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0 | 1 | 1 | ±1.25V | 8 | 610 µV |
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1 | 0 | 0 | 1 | 2.44 mV | |
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1 | 0 | 1 | 2 | 1.22 mV | |
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1 | 1 | 0 | 4 | 610 µV | |
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1 | 1 | 1 | 8 | 305 µV | |
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ADPS[1:0] These bits select the ADC Pacer Source. Maximum Internal/External Pacer frequency is 330 kHz.
ADPS1 | ADPS0 | Pacer Source |
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0 | 0 | SW Convert |
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0 | 1 | 82C54 Counter/Timer |
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1 | 0 | External Falling |
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1 | 1 | External Rising |
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Note: For ADPS[1:0] = 00 case, SW conversions are initiated via a word write to BADR2 + 0. Data is ‘don't care.’
READ
15 | 14 | 13 | 12 |
| 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
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- | EOC | - | - |
| - | - | - | - | - | - | - | - | - | - | - | - |
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EOC |
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| 1 | = ADC DONE |
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| 0 | = ADC BUSY |
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7.3.3 TRIGGER CONTROL/STATUS REGISTER
22