m3819 Renesas Electronics Corporation., m3819 Datasheet - Page 121

• Manufacturer Part Number: m3819
• Description: Mitsubishi 8-bit Single-chip Microcomputer 740 Family / 38000 Series
• Manufacturer: Renesas Electronics Corporation.

2. APPLICATION
Fig. 2.4.5 Connection diagram [Conversion of Analog input voltage]
Fig. 2.4.6 Setting of related registers [Conversion of Analog input voltage]
2.4.2 A-D conversion application example
Conversion of Analog input voltage
Figure 2.4.5 shows a connection diagram, and Figure 2.4.6 shows a setting of related registers.
Outline : The analog input voltage input from the sensor is converted into digital values.
Specifications : • The AN
AD
ADCON
• The analog input voltage input from the sensor is converted into digital values.
AD/DA control register (Address:2C
A-D conversion register (Address:2D
0
pin is used as an analog input pin.
0
0
3819 Group USER’S MANUAL
3819 group
Note : Read out a result of A-D conversion after bit 4 of the
V
V
CC
SS
0
P7
0
0
/AN
AV
V
AD/DA control register (ADCON) is set to “1”.
REF
(read-only)
SS
0
Start A-D conversion
Store a result of A-D conversion
Analog input pin selection : P7
16
16
)
)
Sensor
2.4 A-D conversion
MITSUBISHI MICROCOMPUTER
0
/AN
0
3819 Group
107