Datasheet

78K0/Kx2-L CHAPTER 4 PORT FUNCTIONS
R01UH0028EJ0400 Rev.4.00 170
Sep 27, 2010
Figure 4-33. Format of Port Mode Register (78K0/KB2-L)
7
1
Symbol
PM0
6
1
5
1
4
1
3
1
2
1
1
PM01
0
PM00
Address
FF20H
After reset
FFH
R/W
R/W
PM17
PM1
PM16 PM15 PM14 PM13 PM12
Note
PM11
Note
PM10
Note
FF21H FFH R/W
1
PM2
1 1 1 PM23
Note
PM22
Note
PM21
Note
PM20
Note
FF22H FFH R/W
1
PM3
1 1 1 PM33 PM32 PM31 PM30
FF23H FFH R/W
1
PM6
1 1 1 1 1 PM61 PM60
FF26H FFH R/W
1
PM12
1 1 1 1 1 1 PM120
FF2CH FFH R/W
PMmn
Pmn pin I/O mode selection
(m = 0 to 3, 6, 12; n = 0 to 7)
0 Output mode (output buffer on)
1 Input mode (output buffer off)
Note If this pin is set as an analog input by using the ADPC1 or ADPC0 register, be sure to set it to input mode.
Caution Be sure to set bits 2 to 7 of PM0, bits 4 to 7 of PM2, bits 4 to 7 of PM3, bits 2 to 7 of PM6, bits 1
to 7 of PM12 to 1.