
FM8P54/56
Rev1.21 May 31, 2005
P.11/FM8P54/56
FEELING
TECHNOLOGY
WUB4
: = 0, Disable the input change interrupt/wake-up function of IOB4 pin.
= 1, Enable the input change interrupt/wake-up function of IOB4 pin.
WUB5
: = 0, Disable the input change interrupt/wake-up function of IOB5 pin.
= 1, Enable the input change interrupt/wake-up function of IOB5 pin.
WUB6
: = 0, Disable the input change interrupt/wake-up function of IOB6 pin.
= 1, Enable the input change interrupt/wake-up function of IOB6 pin.
WUB7
: = 0, Disable Enable the input change interrupt/wake-up function of IOB7 pin.
= 1, Enable the input change interrupt/wake-up function of IOB7 pin.
2.1.9 PCHBUF (High Byte Buffer of Program Counter)
Address
Name
B7
B6
0Ah (r/w)
PCHBUF
-
-
There is only 1 bit in FM8P54/54E/55/55E. And there are 2 bits in FM8P56/56E.
See 2.1.3 for detail description.
2.1.10 PDCON (Pull-down Control Register)
Address
Name
B7
B6
0Bh (r/w)
PDCON
/PDB3
/PDB2
/PDA0
: = 0, Enable the internal pull-down of IOA0 pin.
= 1, Disable the internal pull-down of IOA0 pin.
/PDA1
: = 0, Enable the internal pull-down of IOA1 pin.
= 1, Disable the internal pull-down of IOA1 pin.
/PDA2
: = 0, Enable the internal pull-down of IOA2 pin.
= 1, Disable the internal pull-down of IOA2 pin.
/PDA3
: = 0, Enable the internal pull-down of IOA3 pin.
= 1, Disable the internal pull-down of IOA3 pin.
/PDB0
: = 0, Enable the internal pull-down of IOB0 pin.
= 1, Disable the internal pull-down of IOB0 pin.
/PDB1
: = 0, Enable the internal pull-down of IOB1 pin.
= 1, Disable the internal pull-down of IOB1 pin.
/PDB2
: = 0, Enable the internal pull-down of IOB2 pin.
= 1, Disable the internal pull-down of IOB2 pin.
/PDB3
: = 0, Enable the internal pull-down of IOB3 pin.
= 1, Disable the internal pull-down of IOB3 pin.
B5
-
B4
-
B3
-
B2
B1
B0
2 MSBs Buffer of PC
B5
B4
B3
B2
B1
B0
/PDB1
/PDB0
/PDA3
/PDA2
/PDA1
/PDA0