參數(shù)資料
型號： μPD78064B(A)
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位單片機(jī)微控制器
文件頁數(shù)： 24/66頁
文件大?。?/td> 395K
代理商： ΜPD78064B(A)
24
μ
PD78064B(A)
5.6
A/D converter
Eight 8-bit resolution A/D converter channels are incorporated.
The following two types of start-up method are available.
Hardware start
Software start
Figure 5-8. A/D Converter Block Diagram
Caution
For pins which also function as port pins (refer to 3.1 Port Pins), do not perform the following
operations during A/D conversion. If these operations are performed, the total error ratings cannot
be kept (except for LCD segment output alternate-function pin).
(1) Rewriting the output latch while the pin is used as a port pin.
(2) Changing the output level of the pin used as an output pin, even if it is not used as a port pin.
Internal Bus
ANI0/P10
ANI1/P11
ANI2/P12
ANI3/P13
ANI4/P14
ANI5/P15
ANI6/P16
ANI7/P17
INTP3/P03
AV
DD
AV
REF
AV
SS
INTAD
INTP3
Voltage Comparator
Sample & Hold Circuit
Series Resistor String
Successive Approximation
Register (SAR)
Control
Circuit
Edge
Detector
A/D Conversion Result
Register (ADCR)
Tap
Selec-
tor
Selec-
tor
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