m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 355

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

D-A CONVERTER
13.3 D-A conversion method
13.3 D-A conversion method
The reference voltage V
an analog voltage from pin DA
Figure 13.3.1 shows the equivalent circuit diagram of the D-A converter.
13-4
Fig. 13.3.1 Equivalent circuit diagram of D-A converter
AV
V
DA
REF
SS
D-A register i
i
Note: In this case, the value of D-A register i is “2A
D-A
i
output enable bit
MSB
0
1
REF
0
is divided according to the value loaded in D-A register i, and it is output as
1
2R
i
.
R
7905 Group User’s Manual Rev.1.0
2R
R
2R
R
2R
16
R
.”
R
2R
2R
R
2R
R
2R
LSB
2R