Chip PIC18LF458 Heximal Unlocking

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Each DAC has one continuous output with high drive capabilities for both resistive and capacitive loads. It is also possible to split the continuous time channel into two Sample and Hold (S/H) channels, each with separate data conversion registers. A DAC conversion may be started from the application software by writing the data conversion registers. The DAC can also be configured to do conversions triggered by the Event System to have regular timing, independent of the application software. DMA may be used for transferring data from memory locations to DAC data registers before Chip PIC18LF458 Heximal Unlocking.
The DAC has a built-in calibration system to reduce offset and gain error when loading with a calibration value from software. PORTA and PORTB each has one DAC. Notation of these peripherals are DACA and DACB. respectively. PIC18LF458 features four Analog Comparators (AC). An Analog Comparator compares two voltages, and the output indicates which input is largest. The Analog Comparator may be configured to give interrupt requests and/or events upon several different combinations of input change after Chip PIC18LF458 Heximal Unlocking.
Both hysteresis and propagation delays may be adjusted in order to find the optimal operation for each application. A wide range of input selection is available, both external pins and several internal signals can be used.
The Analog Comparators are always grouped in pairs (AC0 and AC1) on each analog port. They have identical behavior but separate control registers.
Optionally, the state of the comparator is directly available on a pin.
PORTA and PORTB each has one AC pair. Notations are ACA and ACB, respectively.The Analog comparators have a very flexible input selection and the two comparators grouped in a pair may be used to realize a window function. One pair of analog comparators is shown below Chip PIC18LF458 Heximal Unlocking.
• Input selection from pin
– Pin 0, 1, 2, 3, 4, 5, 6 selectable to positive input of analog comparator
– Pin 0, 1, 3, 5, 7 selectable to negative input of analog comparator
• Internal signals available on positive analog comparator inputs
– Output from 12-bit DAC
• Internal signals available on negative analog comparator inputs
– 64-level scaler of the VCC, available on negative analog comparator input
– Bandgap voltage reference
– Output from 12-bit DAC when Chip PIC18LF458 Heximal Unlocking