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SLG46400 データシート(PDF) 32 Page - Dialog Semiconductor |
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SLG46400 データシート(HTML) 32 Page - Dialog Semiconductor |
32 / 95 page 000-0046400-109 Page 26 of 89 SLG46400 10.0 Analog Comparator (ACMP) There are two Analog Comparator (ACMP) macro cells in the SLG46400. In order for the ACMP cells to be used in a GreenPAK design the power up signals (PWR UP) need to be active. These signals should be HIGH to turn on the ACMP and LOW to turn it off and each ACMP can be powered seperately. When ACMP is powered down, output is low. Each of the two ACMP cells has a negative input signal that is either created from an internal reference voltage (VREF) or provided by way of the external sources. 10.1 ACMP0 Input Modes ACMP0’s positive input (IN+) can be connected to PIN3, PIN4, ADC/PGA OUT or IN by setting reg <735> and by the ACMP0_PGA_en signal, reg<739>. The negative input (IN-) of the ACMP0 cell can come from the internal VREF macro cell which will generate a 50mV to 1.5V signal (only when VDD > 3.0V), a 30mV to 1.0V signal, or from an external voltage source that is placed on PIN 11. Selection is made using a 4-bit value from NVM (reg<725:722>) and the VREF band select (reg<736>). |
同様の部品番号 - SLG46400 |
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同様の説明 - SLG46400 |
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