參數(shù)資料
型號(hào): μPD789405
廠商: NEC Corp.
英文描述: 8 Bit Single Chip Microcontrollers(8位單片微控制器)
中文描述: 8位單片機(jī)微控制器(8位單片微控制器)
文件頁數(shù): 55/128頁
文件大?。?/td> 607K
代理商: ΜPD789405
55
μ
PD789405, 789406, 789407
5.7
8-Bit A/D Converter
5.7.1 8-bit A/D converter functions
The 8-bit A/D converter converts input analog voltages to digital signals with an 8-bit resolution. It can control up
to seven analog input channels (ANI0 to ANI6).
A/D conversion can be started only by software.
One of analog inputs ANI0 to ANI6 is selected for A/D conversion. A/D conversion is performed repeatedly, with
an interrupt request (INTAD) being issued each time an A/D session is completed.
5.7.2 Configuration of the 8-bit A/D converter
The A/D converter consists of the following hardware.
Table 5-11. 8-Bit A/D Converter Configuration
Item
Configuration
Analog input
7 channels (ANI0 to ANI6)
Register
Successive approximation register (SAR)
A/D conversion result register (ADCRH)
Control register
A/D converter mode register (ADM)
A/D input selection register (ADS)
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