Port Mode Register Format - NEC PD78052 User Manual

Symbol 7 6
PM0 1 PM06
PM1 PM17 PM16 PM15 PM14 PM13 PM12 PM11 PM10
PM2 PM27 PM26 PM25 PM24 PM23 PM22 PM21 PM20
PM3 PM37 PM36 PM35 PM34 PM33 PM32 PM31 PM30
PM5 PM57 PM56 PM55 PM54 PM53 PM52 PM51 PM50
PM6
PM67 PM66 PM65 PM64 PM63 PM62 PM61 PM60
PM7 1 1
PM12 PM127 PM126
PM13 1 1
152
CHAPTER 6 PORT FUNCTIONS
Figure 6-19. Port Mode Register Format
5 4 3 2
PM05 PM04 PM03 PM02 PM01
1 1 1 PM72 PM71 PM70
PM125 PM124 PM123 PM122 PM121 PM120
1 1 1 1 PM131 PM130
1 0 Address
1 FF20H
FF21H
FF22H
FF23H
FF25H
FF26H
FF27H
FF2CH
FF2DH
Pmn Pin Input/Output Mode Selection
PMmn
(m=0-3, 5-7, 12, 13 : n=0-7)
0 Output mode (output buffer ON)
1 Input mode (output buffer OFF)
After
Reset R/W
FFH R/W
FFH R/W
FFH R/W
FFH R/W
FFH R/W
FFH R/W
FFH R/W
FFH
R/W
FFH R/W