CHAPTER 15:12-/10-/8-bit Analog to Digital Converter
278
S6J3200 Series Hardware Manual Document Number: 002-04852 Rev. *G
Figure 3-13 shows the 8-bit range comparator structure.
Figure 3-14 shows the 12-bit range comparator structure.
Figure 3-13 8-bit Range Comparator Structure
ADC12Bn_RCOH7
ADC12Bn_RCOH6
ADC12Bn_RCOH5
ADC12Bn_RCOH4
ADC12Bn_RCOH3
ADC12Bn_RCOH2
ADC12Bn_RCOH1
ADC12Bn_RCOH0
ADC12Bn_RCOL7
ADC12Bn_RCOL6
ADC12Bn_RCOL5
ADC12Bn_RCOL4
ADC12Bn_RCOL3
ADC12Bn_RCOL2
ADC12Bn_RCOL1
ADC12Bn_RCOL0
8-bit range comparator (ADC12Bn_CHCTRL0
~
63.FRCMD="0")
MUX
MUX
RCSEL[2:0]
RCINVSEL
RCEN
Over Threshold Flags
Interrupt flags
Interrupt
Comparator result
Pulse detection
F
la
g
s
e
tt
in
g
l
o
g
ic
Resolution of A/D conversion
ADC12Bn_CTRL
Range Comparator Control
ADC12Bn_CHCTRL0
~
63
RES[1:0]
Selected upper threshold
[7:0]
[7:0]
Selected lower threshold
Comparator
"01" : 10-bit
"11" : 8-bit
"x0" : 12-bit
Resolution of
A/D conversion
ADC12Bn_CTRL.RES[1:0]
[7:0]
[9:2]
[7:0]
[11:4]
Selected
upper/lower
threshold
A/D Conversion
Result for comparator
A/D Conversion
Result
Available range of threshold and A/D conversion result value
by setting of resolution
Summary of Contents for S6J3200 Series
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