Format Of Port Mode Register - NEC UPD789426 Series User Manual

Symbol 7 6
PM0
1 1
PM1 1 1
PM2 1 PM26 PM25
1 1 1
PM3
PM5 1 1 1
PM7 1 1 1
Note
1 1 1
PM8
Note PM97 PM96 PM95 PM94 PM93 PM92 PM91 PM90
PM9
PMmn
0 Output mode (output buffer ON)
1 Input mode (output buffer OFF)
Note Incorporated only in the
96
CHAPTER 4 PORT FUNCTIONS
Figure 4-18. Format of Port Mode Register
5 4 3 2 1
1 1 PM03 PM02 PM01
1 1 PM13 PM12 PM11
PM24 PM23 PM22 PM21
1 PM33 PM32 PM31
1 PM53 PM52 PM51
1 1 PM72 PM71 PM70
1 1 1 PM81 PM80
Pmn pin input/output mode selection
(m = 0 to 3, 5, 7 to 9, n = 0 to 7)
µ
PD789426 and 789436 Subseries.
User's Manual U15075EJ2V1UD
0 Address After reset
PM00 FF20H FFH
PM10 FF21H FFH
PM20 FF22H FFH
PM30 FF23H FFH
PM50 FF25H FFH
FF27H FFH
FF28H FFH
FF29H FFH
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W