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ST10F166BQ1-16 データシート(PDF) 20 Page - STMicroelectronics |
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ST10F166BQ1-16 データシート(HTML) 20 Page - STMicroelectronics |
20 / 62 page 20/62 ST10F166 9 A/D CONVERTER For analog signal measurement, a 10-bit A/D converter with 10 multiplexed input channels, a sample and hold circuit has been integrated on-chip. It uses the method of successive approximation which returns the conversion result for an analog chan- nel within 9.75 µs (@fosc = 40 MHz). Overrun error detection capability is provided for the conversion result register (ADD- AT): an interrupt request will be generated when the result of a previous conversion has not been read from the result register at the time the next conversion is complete. For applications which require less than 10 analog input channels, the remaining channels can be used as digital input port pins. The A/D converter of the ST10F166 supports four different conversion modes. In the standard Single Channel conversion mode, the analog level on a specified channel is once sampled and converted into a digital result. In the Single Channel Continuous mode, the analog level is repeatedly sampled and converted without software inter- vention. In the Auto Scan mode, the analog levels on a prespecified number of chan- nels are sequentially sampled and converted. In the Auto Scan Continuous mode, the number of prespecified channels is repeatedly sampled and converted. The Peripheral Event Controller (PEC) may be used to automatically store the con- version results into a table in memory for later evaluation, without requiring the over- head of entering and exiting interrupt routines for each data transfer. |
同様の部品番号 - ST10F166BQ1-16 |
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同様の説明 - ST10F166BQ1-16 |
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