參數(shù)資料
型號(hào): 37C672
廠商: SMSC Corporation
英文描述: ENHANCED SUPER I/O CONTROLLER WITH FAST IR
中文描述: 增強(qiáng)的超級(jí)I / O控制器,快速紅外線
文件頁數(shù): 23/173頁
文件大?。?/td> 965K
代理商: 37C672
APPLICATION
2.5 A-D converter
2-62
3802 GROUP USER’S MANUAL
2.5.3 A-D conversion application example
Conversion of Analog input voltage
Outline : The analog input voltage input from the sensor is converted into digital values.
Figure 2.5.6 shows a connection diagram, and Figure 2.5.7 shows a setting of related registers.
Fig. 2.5.6 Connection diagram [Conversion of Analog input voltage]
Specifications : The analog input voltage input from the sensor is converted into digital values.
The P60/AN0 pin is used as an analog input pin.
Fig. 2.5.7 Setting of related registers [Conversion of Analog input voltage]
P60/AN0
3802 group
Sensor
0
Analog input pin selection bits : Select the P60/AN0 pin
ADCON
AD/DA control register (Address : 3416)
0
AD conversion completion bit : Conversion in progress
Store a result of A-D conversion (Note)
AD
A-D conversion register (Address : 3516)
(read-only)
Note: Read out a result of A-D conversion after bit 3 of the
AD/DA control register (ADCON) is set to “1.”
b7
b0
b7
b0
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