CHAPTER 15:12-/10-/8-bit Analog to Digital Converter
S6J3200 Series Hardware Manual Document Number: 002-04852 Rev. *G
363
5.30.
Range Comparator Upper Threshold Registers (ADC12Bn_RCOH0
to 7)
When the 8-bit range comparator mode (ADC12Bn_CTRL.FRCMD = "0"), these registers are used for
8-bit range comparator.
If the 12-bit range comparator mode (ADC12Bn_CTRL.FRCMD = "1"), these registers are not used.
These registers specify the upper threshold values that can be selected for the 8-bit range comparator to
which the output of the A/D Converter is compared. Only ADC12Bn_RCOH0 is described here. Other
registers (ADC12Bn_RCOH1,..., ADC12Bn_RCOH6 and ADC12Bn_RCOH7) have similar bit fields.
REGISTER_NAME
ADC12Bn_RCOHi (i = 0 to 7)
OFFSET
i*2
ACCESS_SIZE
B H W
MULTIPLE
0:7
NUMERIC_TYPE
-
OTHER
-
Range Comparator Upper Threshold Register 0 (ADC12Bn_RCOH0)
BIT_OFFSET
7
6
5
4
3
2
1
0
BIT_NAME
RCOH[7]
RCOH[6]
RCOH[5]
RCOH[4]
RCOH[3]
RCOH[2]
RCOH[1]
RCOH[0]
ACCESS_TYPE
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
PROT_TYPE
INITIAL_VALUE
1
1
1
1
1
1
1
1
[bit7:0] RCOH[7:0] : Range Comparator Upper Threshold value
The RCOH bits define the upper comparison threshold of the range comparator 0.
The upper comparator compares the upper 8 bits of the A/D conversion result. If the value is higher
than RCOH[7:0], then the conversion result is outside range.
Selection of one of eight available range comparator threshold values for the logical channel is
configured by corresponding ADC12Bn_CHCTRL0 to 63.RCSEL[2:0] bit fields.
Содержание S6J3200 Series
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