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CONTROL REGISTERS S3F80JB
4-8
CMOD — Comparator Mode Register E9H Set1 Bank1
Bit Identifier .7 .6 .5 .4 .3 .2 .1 .0
Reset Value
0 0 0 0 0 0 0 0
Read/Write
R/W R/W R/W R/W R/W R/W R/W R/W
Addressing Mode
Register addressing mode only
.7 Comparator Enable Bit
0 Comparator operation disable
1 Comparator operation enable
.6 Conversion Timer Control Bit
0
8 × 2
7
/ f
OSC
, 256 at 8 MHz
1
8 × 2
4
/ f
OSC
, 32 at 8 MHz
.5 External Reference Selection Bit
0 Internal reference, CIN0-3: Analog input
1 External reference, CIN0-2: Analog input, CIN3: Reference input
.4
Not used for S3F80JB.
.3 – .0 Reference Voltage Selection Bits
Selected V
REF
= V
DD
× (N + 0.5)/16, N = 0 to 15
NOTE: You can select the number of analog input pin for your purpose by setting the CMPSEL.