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UPD178024 Datasheet(PDF) 14 Page - NEC

Part # UPD178024
Description  8-BIT SINGLE-CHIP MICROCONTROLLER
PDF  56 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD178024 Datasheet(HTML) 14 Page - NEC

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14
µPD178023, 178024
Data Sheet U14126EJ1V0DS00
Figure 1-1. I/O Circuits of Respective Pins (1/2)
Remark VDD and GND are the positive power supply and ground pins for all port pins. Take VDD and GND as
VDDPORT and GNDPORT.
Type 2
Type 5
Type 5-A
Type 5-K
Type 8
Type 10-D
IN
Schmitt trigger input with hysteresis characteristics
VDD
P-ch
P-ch
N-ch
IN/OUT
Pullup
enable
Data
Output
disable
Input
enable
VDD
P-ch
N-ch
IN/OUT
Data
Output
disable
VDD
P-ch
N-ch
IN/OUT
Data
Output
disable
Input
enable
VDD
P-ch
N-ch
IN/OUT
Data
Output
disable
Input
enable
VDD
Data
output disable
P-ch
IN/OUT
VDD
N-ch
Input
enable
Open drain



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