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UPD78044F Datasheet(PDF) 97 Page - NEC

Part # UPD78044F
Description  8-bit Single-Chip Microcontroller
PDF  472 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD78044F Datasheet(HTML) 97 Page - NEC

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97
Chapter 4
Port Functions
User’s Manual U16504EE1V1UD00
Figure 4-11:
Port Mode Register Format
7
6543
210
R/W
Address
After
Reset
PM0
1
1
1
1
PM03
PM02
PM01
PM00
R/W
FF20H
FFH
7
6543
210
R/W
Address
After
Reset
PM3
PM37
PM36
PM35
PM34
1
1
1
1
R/W
FF23H
FFH
7
6543
210
R/W
Address
After
Reset
PM4
PM47
PM46PM45PM44PM43
PM42PM41PM40
R/W
FF24H
FFH
7
6543
210
R/W
Address
After
Reset
PM6
1
1
PM65PM64PM63
PM62PM61PM60
R/W
FF26H
FFH
7
6543
210
R/W
Address
After
Reset
PM8
PM87
PM86PM85PM84PM83
PM82PM81PM80
R/W
FF28H
FFH
7
6543
210
R/W
Address
After
Reset
PM9
PM97
PM96PM95PM94PM93
PM92PM91PM90
R/W
FF29H
FFH
PMmn
PMmn Pin Input/Output Mode Selection
(m = 0, 3, 4, 6, 8, 9; n = 0 - 7)
0
Output mode (output buffer ON)
1
Input mode (output buffer OFF)
7
6543
210
R/W
Address
After
Reset
PM2
PM27
PM26PM25PM24PM23
PM22PM21PM20
R/W
FF22H
FFH
7
6543
210
R/W
Address
After
Reset
PM5
PM57
PM56PM55PM54PM53
PM52PM51PM50
R/W
FF25H
FFH
PMmn
PMmn Pin Output Buffer Selection
(m = 2, 5; n = 0 - 7)
0
Output mode (output buffer ON)
1
Hi-Z mode (output buffer OFF)



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