R01UH0092EJ0110 Rev.1.10
Page 647 of 807
Jul 31, 2012
M16C/64C Group
28. D/A Converter
28. D/A Converter
28.1
Introduction
The D/A converter is an 8-bit, R-2R type converter. There are two independent D/A converters.
Table 28.1 lists the D/A Converter Specifications and Figure 28.1 shows the D/A Converter Block
Diagram.
Figure 28.1
D/A Converter Block Diagram
Table 28.1
D/A Converter Specifications
Item
Specification
D/A conversion method
R-2R
Resolution
8 bits
Table 28.2
I/O Ports
Pin Name
I/O
Function
DA0
Output
D/A comparator output
DA1
Note:
1.
Set the direction bit of the ports sharing a pin to 0 (input mode). When the DAiE bit (i = 0, 1) in
the DACON register is set to 1 (output enabled), the corresponding port cannot be pulled up.
DA0 register
R-2R resistor ladder
DA0E bit in the
DACON register
DA0
Data bus
DA1 register
R-2R resistor ladder
DA1E bit in the
DACON register
DA1
Содержание M16C Series
Страница 846: ...M16C 64C Group R01UH0092EJ0110...