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| 型號(hào)： | UPD78011HGK-XXX-8A8 |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP64 |
| 封裝： | 12 X 12 MM, PLASTIC, LQFP-64 |
| 文件頁(yè)數(shù)： | 17/70頁(yè) |
| 文件大?。?/td> | 540K |
| 代理商： | UPD78011HGK-XXX-8A8 |
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PD78011H, 78012H, 78013H, 78014H
5.6 A/D CONVERTER
The A/D converter has on-chip eight 8-bit resolution channels.
There are the following two method to start A/D conversion.
Hardware starting
Software starting
Figure 5-8. A/D Converter Block Diagram
Caution Do not manipulate the pins multiplexed with a port pin (refer to 3.1 PORT PINS) during A/D conversion;
otherwise, the rated total error during A/D conversion may not be satisfied.
<1> Rewriting the contents of the output latch when the pin is used as an output port pin.
<2> Changing the output level of the pin used as an output pin even when the pin is not used as a port
pin.
Tap
Selector
INTAD
AVDD
INTP3
Internal Bus
AVREF
AVSS
A/D Conversion
Result Register (ADCR)
Control
Circuit
Succesive Approximation
Register (SAR)
Falling
Edge
Detector
ANI0/P10
ANI1/P11
ANI2/P12
ANI3/P13
ANI4/P14
ANI5/P15
ANI6/P16
ANI7/P17
INTP3/P03
Selector
Sample & Hold Circuit
Voltage Comparator
Series Resistor String
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