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UPD750064CU Datasheet(PDF) 33 Page - NEC

Part # UPD750064CU
Description  4-BIT SINGLE-CHIP MICROCONTROLLERS
PDF  82 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD750064CU Datasheet(HTML) 33 Page - NEC

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µPD750064, 750066, 750068, 750064(A), 750066(A), 750068(A)
Data Sheet U10165EJ2V0DS00
6.9 A/D Converter
The
µPD750068 incorporates the 8-bit resolution A/D converter which has eight channels analog input pins
(AN0 to AN7).
This A/D converter is a successive approximation type.
Figure 6-9. A/D Converter Block Diagram
–
+
Internal bus
8
ADEN ADM6 ADM5 ADM4
SOC
EOC
0
0
Controller
Sample hold
circuit
Comparator
SA register (8)
8
8
Tap decoder
Multiplexer
AN0/P110
AN1/P111
AN2/P112
AN3/P113
AN4/P60/KR0
AN5/P61/KR1
AN6/P62/KR2
AN7/P63/KR3
AVREF
AVSS
R/2
R
R
R
R/2
ADEN



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