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UPD78C18 Datasheet(PDF) 53 Page - NEC

Part # UPD78C18
Description  8-BIT SINGLE-CHIP MICROCONTROLLER WITH A/D CONVERTER
PDF  110 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD78C18 Datasheet(HTML) 53 Page - NEC

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53
µPD78C17,78C18
Fig. 2-30 A/D Converter Block Diagram
Caution
Capacitors should be connected to the analog input pins and reference voltage input pins in order
to prevent mulfunction due to noise.
Internal Bus
CR0
8
8
CR1
8
8
CR2
8
8
CR3
8
8
8
A/D
CONVERTER
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
AV
AV
V
DD
SS
AREF
AV SS
V SS
V AREF
AN n
µPD78C17
µPD78C18
100 to 1000 pF
Analog
Input
100 to 1000 pF
Reference
Voltage
Input



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