參數(shù)資料
型號: MQ80C154-16P883
廠商: TEMIC SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, 16 MHz, MICROCONTROLLER, CQFP44
文件頁數(shù): 116/142頁
文件大小: 61013K
代理商: MQ80C154-16P883
202
ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P [DATASHEET]
8285E–AVR–02/2013
23.8
ADC Conversion Result
After the conversion is complete (ADIF is high), the conversion result can be found in the ADC Result Registers
(ADCL, ADCH).
For single ended conversion, the result is:
where V
IN is the voltage on the selected input pin and VREF the selected voltage reference (see Table 23-3 on page
204 and Table 23-4 on page 205). 0x000 represents analog ground, and 0x3FF represents the selected reference
voltage minus one LSB.
Figure 23-14. Differential measurement range.
ADC
V
IN
1024
V
REF
--------------------------
=
ADC
V
POS
V
NEG
512
V
REF
-----------------------------------------------------
=
0
Output Code
0x1FF
0x000
V
REF
Differential Input
Voltage (Volts)
0x3FF
0x200
- V
REF
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