m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 333

• Manufacturer Part Number: m37905
• Description: Mitsubishi 16-bit Single-chip Microcomputer 7700 Family / 7900 Series
• Manufacturer: Renesas Electronics Corporation.

be selected for each pin AN
A-D CONVERTER
12.6 Comparator function
12.6 Comparator function
By setting the AN
For pin AN
12-22
(at an even-numbered address)’s contents and of which low-order 2 bits = “10
voltage input from an analog input pin.
comparison result as follows:
A 10-bit value (a set value), of which high-order 8 bits consist of the corresponding A-D register i
The result of the D-A conversion (that is to say, comparison voltage V
The value to be stored into the AN
When V
When V
i
where the comparator function is selected, the following comparison operation is performed.
ref
ref
i
> analog input voltage, “0” is stored.
< analog input voltage, “1” is stored.
pin comparator function select bit (See Figure 12.2.7.) to “1,” the comparator function can
i
.
7905 Group User’s Manual Rev.1.0
i
pin comparator result bit (see Figure 12.2.8.) depends on the
ref
) is compared with an analog
2
,” is D-A converted.