CHAPTER 15:12-/10-/8-bit Analog to Digital Converter
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S6J3200 Series Hardware Manual Document Number: 002-04852 Rev. *G
[bit28:24] PCTNCT[4:0] : Pulse Negative Counter Register
This register reflects the current counter value of the pulse detection negative counter. Reload value is
determined by PCTNRL.
The negative counter is reloaded under one of the following conditions:
−
Writing "1" to the corresponding ADC12Bn_PCIRQC0.PCIRQC bit.
−
Any positive event from the appropriate range comparator.
Therefore, in order to reload negative counter immediately after set to PCTNRL[4:0], the corresponding
ADC12Bn_PCIRQC0 to 1.PCIRQC bit should be written "1".
[bit23:21] Reserved : Reserved bits
When writing, always write "0".
When reading, "0" is always read.
[bit20:16] PCTNRL[4:0] : Pulse Negative Counter Reload Register
These register bits hold the reload value of the negative counter PCTNCT used for counting negative
events of the range comparator. Do not set this bit field to "00000".
The negative counter is reloaded with the value from this register when "1" is written to the
corresponding ADC12Bn_PCIRQC0 to 1.PCIRQC bit or on any positive event from the appropriate
range comparator.
For further explanation of negative events and operation of pulse detection function refer to section
"Pulse Detection Function" in chapter "3 Operation of A/D "
[bit15:8] PCTPCT[7:0] : Pulse Positive Counter Register
This register reflects the current counter value of the pulse detection positive counter. Reload value is
determined by PCTPRL.
The positive counter is reloaded under one of the following conditions:
−
Writing "1" to the corresponding ADC12Bn_PCIRQC0 to 1.PCIRQC bit.
−
Expiration of the corresponding negative counter (PCTNCT).
Therefore, in order to reload positive counter immediately after set to PCTPRL[7:0], the corresponding
ADC12Bn_PCIRQC0 to 1.PCIRQC bit should be written "1".
[bit7:0] PCTPRL[7:0] : Pulse Positive Counter Reload Register
These register bits hold the reload value of the positive counter PCTPCT used for counting positive
events of the range comparator. Do not set this bit field to "00000000".
The positive counter is reloaded with the value from this register when "1" is written to the
corresponding ADC12Bn_PCIRQC0 to 1.PCIRQC bit or on expiration of the corresponding negative
counter (PCTNCT).
For further explanation of negative events and operation of pulse detection function refer to section
"Pulse Detection Function" in chapter "3 Operation of A/D "
Summary of Contents for S6J3200 Series
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