參數(shù)資料
型號： UPD780021AYGC-XXX-8BS
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 8.38 MHz, MICROCONTROLLER, PQFP64
封裝： 14 X 14 MM, PLASTIC, LQFP-64
文件頁數(shù)： 22/96頁
文件大?。?/td> 723K
代理商： UPD780021AYGC-XXX-8BS
29
PD780021A, 780022A, 780023A, 780024A, 780021AY, 780022AY, 780023AY, 780024AY
Data Sheet U14042EJ4V0DS
5.5 A/D Converter
An A/D converter consisting of eight 8-bit resolution channels is incorporated.
The following two A/D conversion operation startup methods are available.
Hardware start
Software start
Figure 5-8. A/D Converter Block Diagram
Tap
selector
INTAD
AVDD
INTP3
Internal bus
AVREF
A/D conversion
result register (ADCR0)
Controller
Successive approximation
register (SAR)
Edge
detector
ANI0/P10
ANI1/P11
ANI2/P12
ANI3/P13
ANI4/P14
ANI5/P15
ANI6/P16
ANI7/P17
INTP3/ADTRG/P03
Selector
Sample & hold circuit
Voltage comparator
Series resistor string
Edge
detector
AVSS
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