參數(shù)資料
型號: μPD789216Y
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位單片機微控制器(8位單片微控制器)
文件頁數(shù): 58/144頁
文件大?。?/td> 632K
代理商: ΜPD789216Y
Preliminary Product Information
58
μ
PD789216Y, 789217Y
6.7
A/D Converter
6.7.1
A/D converter functions
The A/D converter converts input analog voltages to digital signals with a 10-bit resolution. It can control up to
eight analog input channels (ANI0 to ANI7).
A/D conversion can be started only by software.
One of analog inputs ANI0 to ANI7 is selected for A/D conversion. A/D conversion is performed repeatedly, with
an interrupt request (INTAD0) being issued each time an A/D conversion is completed.
6.7.2
A/D converter configuration
The A/D converter consists of the following hardware.
Table 6-11. A/D Converter Configuration
Item
Configuration
Analog input
8 channels (ANI0 to ANI7)
Register
Successive approximation register (SAR)
A/D conversion result register 0 (ADCR0)
Control register
A/D converter mode register 0 (ADM0)
A/D input selection register 0 (ADS0)
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