Datasheet

CHAPTER 4 PORT FUNCTIONS
User’s Manual U18698EJ1V0UD
96
Figure 4-16. Format of Port Mode Register
7Symbol
PM1
6543
PM13
2
PM12
1 0 Address
FF21H
After reset
FFH
R/W
R/W
PM2
PM25 PM24 PM23 PM22 PM21 PM20 FF22H FFH R/W
1
PM3
1 1 PM34 PM33 PM32 PM31
FF23H FFH R/W
PM4
PM40
FF24H FFH R/W
1
PM10
111
1 1 PM143 PM142
PM101 PM100 FF2AH FFH R/W
1
PM12
1 1 1 1 1 1 PM120
FF2CH FFH R/W
1
PM14
1 PM141 PM140
FF2EH FFH R/W
1
PM11
1 1 1 PM113 PM112 FF2BH FFH R/W
1 1 PM153 PM152
1
PM15
1 PM151 PM150
FF2FH FFH R/W
1111
11
11
1
1111111
11
11
PMmn
Pmn pin I/O mode selection
(m = 1 to 4, 10 to 12, 14, 15; n = 0 to 5)
0 Output mode (output buffer on)
1 Input mode (output buffer off)
Caution Be sure to set bits 0, 1, and 4 to 7 of PM1, bits 6 and 7 of PM2, bits 0, and 5 to 7 of PM3,
bits 1 to 7 of PM4, bits 2 to 7 of PM10, bits 0, 1, and 4 to 7 of PM11, bits 1 to 7 of PM12, bits
4 to 7 of PM14, and bits 4 to 7 of PM15 to “1”.