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| 型號： | mPD789014 |
| 廠商： | NEC Corp. |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-Bit Single-Chip Microcontrollers |
| 中文描述： | 8位單芯片微控制器 |
| 文件頁數(shù)： | 183/321頁 |
| 文件大?。?/td> | 1378K |
| 代理商： | MPD789014 |
User’s Manual U15075EJ1V0UM00
183
CHAPTER 10 8-BIT A/D CONVERTER (
μ
PD789426 AND 789446 SUBSERIES)
10.1 8-Bit A/D Converter Functions
The 8-bit A/D converter is an 8-bit resolution converter used to convert analog inputs into digital signals. This
converter can control six channels (ANI0 to ANI5) of analog inputs.
A/D conversion can only be started by software.
One of analog inputs ANI0 to ANI5 is selected for A/D conversion. A/D conversion is performed repeatedly, with
an interrupt request (INTAD0) being issued each time A/D conversion is complete.
10.2 8-Bit A/D Converter Configuration
The 8-bit A/D converter includes the following hardware.
Table 10-1. Configuration of 8-Bit A/D Converter
Item
Configuration
Analog inputs
6 channels (ANI0 to ANI5)
Registers
Successive approximation register (SAR)
A/D conversion result register 0 (ADCR0)
Control registers
A/D converter mode register 0 (ADM0)
Analog input channel specification register 0 (ADS0)
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